A nurse is caring for a client with the diagnosis of right ventricular failure. which condition unrelated to cardiac disease is the major cause of right ventricular failure?

Answers

Answer 1
There are choices for this question namely:

Renal disease
Hypovolemic shock
Severe systemic infection
Chronic obstructive pulmonary disease (COPD)

The correct answer is "chronic obstructive pulmonary disease (COPD)". In severe cases of COPD, there is diffuse pulmonary vasoconstriction leading to pulmonary hypertension. In the background of pulmonary hypertension, the right ventricle will have a difficulty overcoming the pressure of pulmonary vessels leading to the blood pooling in the systemic circulation (right-sided heart failure). This phenomenon is called cor pulmonale or pulmonary heart failure.

Related Questions

College freshman are participating in a study abroad program. when teaching them about hepatitis b, the nurse should instruct the students on the need for:

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hepatitis b is a liver infection spread by sexual contact, sharing injecting equipment, close contact with someone who has hepatitis b or any contact with contaminated body fluids. you can prevent it with vaccines. Im assuming the nurse instructs the students to get vaccines?

Which region of the human brain best distinguishes us from other animals?

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Humans are distinguished from other animals by a highly developed cerebral cortex, especially the frontal lobe, which is responsible for advanced functions such as language, planning, and self-awareness, and features unique structures like Broca's and Wernicke's areas.

The region of the human brain that most distinguishes us from other animals is the cerebral cortex, and in particular the frontal lobe. This part of the brain is associated with our ability to use language, acquire complex skills, create tools, and live in complex social groups. Unique to humans are Broca's and Wernicke's areas involved in language production and comprehension, which are not found in other animals. Moreover, the process of corticalization, where the cerebral cortex is more wrinkled and folded in humans compared to other animals, offers a much larger surface area for neural connections, thus enhancing our cognitive capacities.

The frontal lobe of our cerebral cortex provides us with sophisticated functions such as planning and self-awareness, and is more developed in humans than in other animals. This development in the cerebral cortex, accompanied by the expansion of neuroanatomical structures unique to us, underlies our unique human capabilities, including the processing and creation of language and music. This distinguishes our species and highlights the exceptional nature of human intelligence and experience.

Implied warranties can arise as a result of a course of dealing.
a. True
b. False

Answers

True
implied warranties can arise as a result of a course of dealing. 

Based on their geographical position, which areas would benefit the most from hurricane shelters?

Answers

Areas on the coast, or island countries. Especially Hawaii. Anything near a body of water of a large capacity,
Probably Caribbean countries and even in europe where they are near the coasts. There is danger of it spreading inland. but the coast countries would be hit first. Hope it helps! :) if you could vote my answer as the brainiest, that would be awesome! :)

Discuss the 5 elements that make up the chain of infection

Answers

Most of the infectious diseases follow a series of interactions that lead through a chain of infection to an infected host. The chain of infection is comprised of 6 elements.
1. The first link is the infectious agent, meaning the pathogen. The pathogen is the organism causing the disease, most of the time being a virus or a bacterium.
2.The second link is the reservoir. This term refers to the natural environment where the pathogen normally lives. Typical reservoirs could be any animal or a person or a plant.
3. The third link is the portal of exit, which consists the method used by the pathogen to leave its reservoir. For example, if its reservoir is a human being, the portal of exit could be its saliva or blood.
4. The fourth link is the mode of transmission. This refers to the way that the pathogen is transmitted to a host or another reservoir. This mode can be direct or indirect (through a vector).
5. The fifth link is the portal of entry. This refers to the method used by the pathogen to enter the host. It can be done in three different ways: penetration, inhalation or ingestion.
6. The final link is the susceptible host.

The nurse is reviewing the electrocardiogram of a client who has elevated st segments visible in leads ii, iii, and avf. which is the nurse's best action?

Answers

The nurse should call the attention of the attending physician or the healthcare practitioner in charge. ST segment elevation in leads II, III, and aVF signify a massive transmural inferior wall infarct that can lead to loss of ventricular function and parasympathetic stimulation of the heart causing bradyarrhythmias then into cardiogenic shock and eventually death of the patient. 

Answer:

Nurse must provide necessary medication such as  

Aspirin, streptokinase, heparin and an ACE inhibitor

Explanation:

When the ST segment is elevated in the inferior leads i.e II, III and aVF, then this condition signifies that the RCA (right coronary artery) is injured or occluded and inferior myocardial tissue faces acute infraction. This can cause several complications and in severe cases can prove to be fatal. It is a sign of heart attack. Thus, the nurse must provide necessary medication such as  

Aspirin, streptokinase, heparin and an ACE inhibitor

In order to protect your password, you should never ________.

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In order to protect your password you should never (Write it down.)

In order to protect your password, you should never share yours. Giving away your password gives people more advantage to hack into your business. Every so often, change your password. It will keep you and your items safe from nosey people.

_____ occur early in the sleep cycle during non-rem sleep and are characterized by a state of panic.
a. narcoleptic fits
b. nightmares
c. apnea episodes

Answers

There is one choice missing from this question:

a. narcoleptic fits
b. nightmares
c. apnea episodes
d. night terrors*

The correct answer is "night terrors". Night terrors are intense feelings at the first half of non-REM sleep that is characterized by fear, horror, trembling, shaking. Night terrors are different from nightmares as there are physical effects carried out from night terrors upon waking up such as screaming, crying, and sudden movements.

Choose the properties that are characteristic of true solutions. Select as many as apply.

Answers

Is there any choices?
The answers are light beam passes through invisibly and particles are dissolved. youre welcome lol

Anna often finds that she becomes drowsy in the afternoons. The warmer her classroom is, the harder she finds it to stay awake. Why does warmth make her more tired?

Answers

Her metabolism reduces so as to reduce the amount of heat the body is producing. This reduces the risk of overheating/hyperthermia. During metabolism, approximately 60% of the energy produced is released as heat. This coupled with the high temperatures in the classroom increases her core temperatures. Due to the reduced metabolism, Anna feels sleepy since the body processes become slow in a homeostatic feedback response.


Name the four types of tissues in the human body and and give an example of each

Answers

Muscle (example- Contraction), Epithelial (example- Simple Epithelium), Connective (example- Loose Connective Tissue), and Nervous (example- spinal cord).

The four types of tissues in the human body are

epithelial tissue= skin on the outermost layer of the body

connective tissue= tendons

muscular tissue= bicep muscle

nervous tissue=brain

Epithelial tissue: This tissue lines bodily cavities, creates glands, and covers the surfaces of organs. Examples include the skin on the outside of the body, the lining of the intestines, and the stomach glands.

Connective tissue: This tissue connects and supports other body tissues. Examples include bones, adipose tissue (fat), tendons, and ligaments. Muscular tissue: This tissue is in charge of contraction and movement. Examples include cardiac muscle (located in the heart), smooth muscle (found in the walls of organs and blood vessels), and skeletal muscle (connected to bones and responsible for voluntary movements).

The nervous system, which is made up of the brain, spinal cord, and peripheral nerves, contains specialised tissue known as nervous tissue. It is in charge of processing and sending information inside the body.

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Our bodies do not make starch, but we often eat plant foods which contain starch which we digest into _____________, the building block that is used to make starch.

Answers

The correct answer is glucose. 

Glucose is the major carbohydrate that can be absorbed and used by humans for energy. In animals, glucose is stored as glycogen in the liver and the muscle tissue in contrast to plants wherein they store glucose as amylose and amylopectin (also known as starch). In digestion of starch, it will start with the saliva where the enzyme salivary amylase will break it down to smaller molecules of starch and limit dextrins. These will be further broken down in the intestines using the pancreatic amylase forming di and trisaccharides. These di and trisaccharides will be metabolized by brush border enzyme to eventually produce glucose (and other monosaccharides that can be absorbed such as fructose and galactose).

Which stage of photosynthesis requires water to complete the chemical reaction?

Answers

The reaction is the conversion of NADP+ TO NADPH'. Photosynthesis happens in an organelle of plant cell known as chloroplasts. This contain the pigment chlorophyll needed for the reactions for photosynthesis. Water is needed in LIGHT REACTION. The reactants needed in this reaction are water, carbon dioxide. The products that are usually produced are glucose and oxygen.  Light reaction is the initial step in photosynthesis. The energy from sunglight is absorbed by chlorophyll. The energy is then converted to two molecules ATP and NADPH which are both needed in the second reaction of photosynthesis, the electron transport chain.
Final answer:

The stage of photosynthesis that requires water is the light-dependent reactions.

Explanation:

The stage of photosynthesis that requires water to complete the chemical reaction is the light-dependent reactions. In these reactions, energy from sunlight is absorbed by pigment molecules in photosynthetic membranes, and water is oxidized to produce oxygen. This process takes place in the thylakoid membrane and involves the production of ATP and NADPH, which are energy carriers that are necessary for the light-independent reactions.

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Systemic venous blood that is to be oxygenated in the lungs is delivered by the ____________, and the ____________ provide oxygenated systemic blood to lung tissue.

Answers

I believe the answer is pulmonary vein/ Bronchial artery. Pulmonary vein is the vein that carries deoygenated blood form the heart to the lungs for it to be oxygenated where carbon dioxide is exchanged with oxygen. Carbon dioxide is the exhaled from the lungs to the atmosphere. The bronchial arteries (both left and right) arise directly from the thoracic aorta and supplies oxygenated blood to the lung tissue.

Choose all the answers that apply.

Mars:

- may have once had liquid water

- has polar ice caps

- has a reddish color from iron

- has no moons

- is a terrestrial planet



Answers

may have once had liquid water, has a reddish color from iron, is a terrestrial planet,

Answer:

*May have once had liquid water

*Has Polar ice caps

*Has a reddish color from iron

*Is a terrestrial planet

Explanation:

I had this question in OW and got it correct.

We also know these answers are correct because all of them have been verified by scientists and people who are studying Mars.

Hope I helped:)

Have a great day!!!

The nurse is preparing to reinforce instructions to a pregnant client about nutrition. the nurse plans to include which instruction in this client's teaching plan?

Answers

The nurse should plan to include this instruction in the client's teaching plan: THE NUTRITIONAL STATUS OF THE MOTHER SIGNIFICANTLY INFLUENCES FETAL GROWTH AND DEVELOPMENT.
As part of the teaching plan for the pregnant woman, the nurse should include instructions about nutrition and make the client to be aware that the food she eat will affect how the baby in her womb grows and develops. 
Final answer:

In her instructions about nutrition, a nurse should highlight the significance of a balanced diet, the importance of prenatal care, and the risk factors of obesity during pregnancy. It could also be beneficial to introduce the client to health education and nutrition programs.

Explanation:

When educating a pregnant client about nutrition, the nurse should emphasize the importance of a balanced diet that provides the necessary nutrients for both mother and fetus. This balanced diet should include a variety of foods to ensure all essential nutrients are met, as it will help maintain proper bodily functions, good health, and reproductive capability.

Prenatal care also plays an essential role in a successful pregnancy, as it helps monitor the health of both mother and fetus. This includes consultations on pregnancy planning and potentially on taking vitamins such as folic acid, which can help prevent certain birth defects.

Emphasis should be placed on the harmful implications of obesity during pregnancy, which can increase the risk of complications such as type-2 diabetes and cardiovascular disease. Additionally, it is beneficial to expose the client to health education programs like the Supplemental Nutrition Assistance Program (SNAP), which has shown success in improving at-home diets of participants, leading to healthier children.

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When one opens a door, which part of the brain is responsible for sending signals to the arm muscles, causing one to open the door?

Answers

Answer M1 motor cortex

Which portion of the heart wall is responsible for the pumping action?

Answers

The heart is composed of three layers: (1) pericardium, (2) myocardium, and (3) endocardium.

The correct answer for this question is the myocardium. The myocardium is composed of cardiac muscle tissue that responds to the pacemaker activity of the heart (originates from the sinuatrial node) and performs rhythmic contractions that corresponds to a person's heartbeat. 

The pericardium forms the pericardial sac wherein the pericardial fluid is located. The endocardium lines the atria and ventricles as well as contributes to the formation of the heart valves.

Opiate drugs bind onto the same receptor sites as the body's own endorphins. therefore, opiate drugs tend to

Answers

I believe that opiates tend to relieve pain. Opiates are drugs used to treat pain derived from the opium plant. They are highly addictive, so they pose the threat of opiate addiction (including opioid addiction) to any person who takes the drug for a prolonged period of time. They also include illegal drugs such as heroin, synthetic opioids such as fentanyl, and pain relievers available legally by prescription, morphine and codeine among others

Oligodendrocytes and schwann cells generate a fatty substance known as

Answers

They generate a fattu subtance known as myelin.
Final answer:

Oligodendrocytes in the CNS and Schwann cells in the PNS generate a fatty substance called myelin. The myelin sheath acts as insulation for neurons, facilitating the transmission of electrical signals along axon segments.

Explanation:

The fatty substance generated by oligodendrocytes in the Central Nervous System (CNS) and Schwann cells in the Peripheral Nervous System (PNS) is known as the myelin sheath. Myelin is a lipid-rich layer that surrounds an axon, acting as insulation. This helps to facilitate the transmission of electrical signals along the axon. Oligodendrocytes can reach out to multiple axon segments, whereas a Schwann cell wraps around a segment of only one axon.

Think of the myelin sheath similar to the pastry wrapped around a hot dog for 'pigs in a blanket' or similar food. The cell is wrapped around the axon several times with little to no cytoplasm between the cell layers. For oligodendrocytes, the rest of the cell is separate from the myelin sheath as a cell process extends back toward the cell body, providing insulation for other axon segments in the area. For Schwann cells, the outermost layer of the cell membrane contains cytoplasm and the nucleus of the cell.

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Which of the findings of the human genome project were contrary to initial expectations? select all that apply. select all that apply. the human genome contains 3,000 mb. ninety-three percent of multi-exon human genes have alternatively spliced forms. the human genome contains fewer than 21,000 genes?

Answers

I think that the following were findings were contrary to initial expectations in the human genome project, That is, Ninety three percent of multi-exon human genes have alternatively spliced forms and that the human genome contains fewer than 21,000 genes. The main goal of the genome project was to map all the human genes and determine the nucleotide sequence of the entire human genome.

Why do you think it is necessary to use very small and exact volumes of reagents in biotechnology? (someone please help me)

Answers

It is for the purpose of ensuring that the procedures are successful. Biotechnology is the use of biological processes, cells or cellular components and organisms to develop or make products, or "any technological application that uses biological systems, living organisms, or derivatives to make or modify products or processes for specific use. 

how does hyponatremia disrupt homeostasis in the body

Answers

Hyponatremia is a condition that occurs when the concentration of sodium in the blood is too low. Sodium is critical in homeostasis because it maintains the fluid balance. In other words, it helps control the amount of water that circulates in the body. When sodium levels are low it becomes diluted and as a result, the body will have an excess of water, specifically extracellular fluid.

The excess fluid will have nowhere to go, so it goes into the cell. When this happens, it causes the cells to swell, which can lead to several health problems and some of them are life-threatening like cerebral edema. 

Answer:

Explanation:

For normal homeostasis , the regulation of extracellular fluid (usually taken care of by the endocrine system)within the body must be appropriate. In patients where the sodium balances are disturbed face the issue of electrolyte deficiency commonly known as Hyponatremia. Hyponatremia adversely affects the osmoregulation and lead to aggression as the pressure due to hypoosmolality (due to  Hyponatremia) gets undulated. The internal stability within the body gets disturbed due to the imbalance in the physio-chemical processes and thus arises a condition where hyponatremia disrupt homeostasis

describe how testosterone production is associated with puberty in males.

Answers

At the onset of puberty, the hypothalamus begins secreting high pulses of GnRH, or gonadotropin-releasing hormone. ... Testosterone, the hormone responsible for the secondary sexual characteristics that develop in the male during adolescence, stimulates spermatogenesis, or the process of sperm production in the testes

Testosterone, the hormone responsible for the secondary sexual characteristics that develop in the male during adolescence, stimulates spermatogenesis, or the process of sperm production in the testes.

What is testosterone?

Testosterone is the primary sex hormone and anabolic steroid in males. In humans, testosterone plays a key role in the development of male reproductive tissues such as testes and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.

Moreover, testosterone is the male sex hormone that is made in the testicles. Testosterone hormone levels are important to normal male sexual development and functions. During puberty (in the teen years), testosterone helps boys develop male features like body and facial hair, deeper voice, and muscle strength.

Therefore, testosterone is a sex hormone that plays important roles in the body. In men, it's thought to regulate bone mass, fat distribution, muscle mass and strength, and the production of red blood cells and sperm.

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Streptococci can give you strep throat. They are unicellular, prokaryotes that contain a cell wall. They are so small that a powerful microscope must be used to see them. In which kingdom would you place them? Protista Fungi Eubacteria

Answers

the answer is Eubacteria

Answer:

C

Eubacteria

Explanation:

got it right in edg (see pic)

hope this helps :)

Aging effects all of the body's cells, tissues, and organs which in turn affect the functioning of all body systems. Changes in lung tissue near your airways lose their ability to keep the airways completely open. This causes the airways to close more easily. These change in lung tissue allows air to get trapped in your lungs. The degradation of lung tissue does not allow enough ____________. A) oxygen or carbon dioxide to enter the capillaries. B) carbon dioxide to enter the capillaries, and also less oxygen is removed C) oxygen to enter the capillaries, and also less carbon dioxide is removed D) carbon dioxide to be stored in the capillaries, and also less oxygen is removed

Answers

The appropriate answer is C. the degeneration of lung tissue does not allow enough oxygen to enter the capillaries and less carbon dioxide to be removed. Oxygen is vital for cellular respiration and it enters the body via the lungs. Carbon dioxide is a waste product of the reaction and it must be removed from the blood.
The degeneration of lung tissue with age explains why most elderly individuals might suffer from shortness of breath.

PLEASE HELP!!!!!
Which of the following statements is true about the taiga biome, but not the alpine?
a. Temperatures are below freezing during the winter.
b. Precipitation can average 12 inches annually.
c. It has two distinct seasons.
d. It is characterized by coniferous trees.

Answers

Final answer:

The taiga biome, also known as the boreal forest, is characterized by coniferous trees, which is not true for the alpine biome.

Explanation:

The taiga biome, also known as the boreal forest, is characterized by cold and dry winters and short, cool, wet summers. It is dominated by coniferous trees such as pines, spruces, and firs, which retain their needle-shaped leaves throughout the year.

In contrast, the alpine biome is characterized by high altitudes and harsh conditions. It is not typically dominated by coniferous trees like the taiga, but rather by hardy, low-lying plants. Therefore, the statement 'It is characterized by coniferous trees' is true about the taiga biome, but not the alpine.

Water levels are adjusted to meet the osmoregulatory needs of the organism in the _____ of the nephron under the control of _____, also called vasopressin.

Answers

DCT of Nephron....under the control of ADH also called Vasopressin !!

The correct answer is: The distal convoluted tubule and collecting duct under the control of antidiuretic hormone (ADH).

 The nephron is the basic structural and functional unit of the kidney, and it plays a crucial role in the osmoregulation of the body. The nephron consists of several parts, including the glomerulus, proximal convoluted tubule (PCT), loop of Henle, distal convoluted tubule (DCT), and the collecting duct.

The osmoregulatory needs of the organism are primarily met in the latter parts of the nephron, specifically in the distal convoluted tubule and the collecting duct. These segments of the nephron are responsible for fine-tuning the water and electrolyte composition of the urine to maintain body fluid homeostasis.

The process is controlled by the antidiuretic hormone (ADH), also known as vasopressin. ADH is released by the posterior pituitary gland in response to changes in plasma osmolality or blood volume. When ADH is released, it acts on the kidneys, particularly on the cells of the distal convoluted tubule and collecting duct, to increase their permeability to water. This allows for the reabsorption of water back into the bloodstream, which concentrates the urine and conserves water in the body.

 In the absence of ADH, the distal convoluted tubule and collecting duct become less permeable to water, resulting in the excretion of more dilute urine and the conservation of electrolytes. This is a critical mechanism for maintaining the body's water balance and ensuring that the osmolarity of the blood remains within a narrow range.

Therefore, the distal convoluted tubule and collecting duct, under the control of ADH, are the correct parts of the nephron responsible for adjusting water levels to meet the osmoregulatory needs of the organism.

Which term best describes an organism that has the genotype ff?'?

Answers

The term given is in small letter.
Infact, both are in small letters...
So the organism received the recessive traits...
So, ff can be described as ‘RECESSIVE’
Final answer:

An organism with the genotype 'ff' is homozygous recessive, expressing the recessive phenotype associated with that gene, such as constricted pod form in pea plants, if 'f' stands for a recessive trait.

Explanation:

An organism that has the genotype ff is best described as homozygous recessive. This means that both alleles for a given trait are the same and are the recessive form. In the context of Mendelian genetics, if 'f' represents a recessive allele for a particular gene, an individual with the genotype 'ff' would express the recessive phenotype if no other gene interactions alter this expression. This is in contrast to heterozygous (Ff) or homozygous dominant (FF) individuals, where the recessive trait would not be phenotypically expressed if 'F' is a dominant allele.

For example, if 'F' represents a dominant allele for full pod form and 'f' represents a recessive allele for constricted pod form in pea plants, then an organism with genotype 'ff' would exhibit the constricted pod form. As observed in Mendel's hybridization experiments, these genetic principles explain why certain traits appear in specific patterns across generations.

Question 20 1. the energy to move chromosomes during mitosis is provided by
a. centrioles.
b. dna polymerization.
c. migration of the centrosomes.
d. atp.
e. formation of the cell plate.

Answers

that would be d.ATP :)
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