An 80-year-old client with a history of coronary artery disease is admitted to the hospital for observation after a fall. during the night the client has an episode of paroxysmal nocturnal dyspnea. in what position should the nurse place the client to best decrease preload?

Answers

Answer 1
Orthopneic

The client's paroxysmal dyspnea was probably caused by sleeping in bed with the legs at the level of the heart; this position increases venous return from dependent body areas, increasing the intravascular volume. Sitting up and leaning forward while keeping the legs dependent slows venous return as well as increases thoracic capacity. Although the contour position elevates the client's head, it does not place the legs in a dependent enough position to substantially decrease venous return. The recumbent position is contraindicated. Venous return increases when the lower extremities are at the level of the heart. Also, the pressure of the abdominal organs against the diaphragm decreases thoracic capacity. The Trendelenburg position is contraindicated. Venous return increases when the lower extremities are higher than the level of the heart. Also, the pressure of the abdominal organs against the diaphragm decreases thoracic capacity.

Related Questions

Why does the cell membrane of the tube worm atop the flow of excess salt into it's body?

Answers

To maintain a stable environment.

Hope this helps!

-Payshence xoxo

Which of the following is an example of instrumental aggression?
A. cutting off another driver in heavy traffic
B. holding up a bank (bank robbery)
C. shoving another person during an argument
D. performing a headlock on an attacker

Answers

The right option is B. holding up a bank (bank robbery) 
Instrumental aggression is a form of aggression which is carried out as a means of securing some reward or to achieve a specific goal. Holding up a bank (bank robbery) is an example of instrumental aggression because it is done for a specific goal which is to obtain money, assets or other property owned or held by the bank.

Answer: Option B

Explanation:

Instrumental aggression can be defined as showing an aggression for achieving goals. It is made o achieve some reward or to achieve an external goal such as victory.

In case of bank robbery the people will achieve money( reward) which acts as a signal of victory for the robbers.

So, bank robbing is an example of instrumental aggression.

Fungi are both beneficial and destructive. this fungus is living in and on the tree seen here. this is a ____________ relationship and could cause the tree to ______________.
a.helpful; grow
b.parasitic; die
c.helpful; make fruit
d.symbiotic; reproduce

Answers

It would be B. I believe.
The answer is definitely B.
 

Oswald avery showed that
a. cells missing protein and rna were able to transform r cells into s cells and kill mice, but cells missing dna could not.
b. cells missing dna were able to transform r cells into s cells and kill mice, but cells missing protein and rna could not. selected:
c. cells missing dna, protein, and rna were able to transform r cells into s cells and kill mice.this answer is incorrect.
d. cells missing dna, protein, and rna were not able to transform r cells into s cells and kill mice. 1/1 question 16

Answers

a. cells missing protein and rna were able to transform r cells into s cells and kill mice, but cells missing dna could not.
This proved that DNA was the important genetic material that was transferred during transformation.

During which checkpoint do cell proteins determine whether growth factors that stimulate cells to divide are present

Answers

I think this happens during g1 phase. The g1 phase, is the first of four phases of the cell cycle that takes place in the eukaryotic cell division. During this phase the cell synthesizes mRNA and proteins in preparation for subsequent steps leading to mitosis. G1 phase ends when the cells moves into the S phase of the interphase

The first genetic material on earth was probably ________. the first genetic material on earth was probably ________. dna produced by reverse transcriptase from abiotically produced rna dna molecules whose information was transcribed to rna and later translated in polypeptides self-replicating rna molecules oligopeptides located within protocells

Answers

Final answer:

The first genetic material on Earth was likely self-replicating RNA molecules, as postulated by the RNA World Hypothesis. The transition from RNA to DNA likely involved a primitive reverse transcriptase.

Explanation:

The first genetic material on Earth was likely self-replicating RNA molecules. This idea forms the base of the RNA World Hypothesis, which suggests these molecules could have been the first carriers of genetic information. Unlike DNA, RNA can act both as a genetic material and as a biocatalyst due to its ability to adopt complex tertiary structures that can perform biological activities, similar to proteins.

It is believed that the transition from RNA to DNA could have been facilitated by the evolution of a primitive reverse transcriptase, converting the RNA information into more stable DNA.

Learn more about First Genetic Material here:

https://brainly.com/question/33439550

#SPJ6

Final answer:

The first genetic material on Earth was most likely self-replicating RNA molecules, as proposed by the RNA world hypothesis. Over time, the more stable DNA started to replace RNA for the storage of genetic information, possibly through the action of early reverse transcriptases.

Explanation:

The first genetic material on Earth was probably self-replicating RNA molecules. This idea stems from the RNA world hypothesis that proposes that RNA molecules could have been the first form of genetic material, prior to the evolution of DNA and proteins. This is because RNA, unlike DNA, has the dual functionality to both store genetic information and catalyze chemical reactions as enzymes do.

The experiments of Martha Chase and Alfred Hershey in 1952 provided proof that DNA was indeed the genetic material and not proteins. However, this does not contradict the RNA world hypothesis as it is believed that the more stable DNA eventually took over the role of genetic information storage from RNA.

One theory for the origin of DNA involves the role of retroviral reverse transcriptase. This enzyme converts RNA into DNA - a process known as reverse transcription. Therefore, it is proposed that DNA could have evolved from an RNA world through the action of these early reverse transcriptases.

Learn more about First Genetic Material here:

https://brainly.com/question/30105604

#SPJ6

Choose the correct answer.


Which phylum includes animals that lack tissues?


A. Cnidaria

B. Porifera

C. Platyhelminthes

D. Arthropoda

E. Chordata

Answers

Answer is B. Porifera

Members of the phylum porifera includes animals which lack tissues. These animals are also called sponges. These are the simplest multicellular animals. Even though they are multicellular, they do not have any tissues or organs. They have cellular level of body organization. Sponges are aquatic animals and water plays a major role in the feeding, exchange of gases and as well as excretion.


Final answer:

Phylum Porifera, which includes sponges, is the group of animals that lack true tissues, classifying them as parazoans.

Explanation:

The phylum that includes animals which lack true tissues is Porifera. Members of phylum Porifera, commonly known as sponges, are parazoans and do not possess true tissues. They display a simple organization and have multiple specialized cell types, but these do not form the complex tissues seen in more advanced organisms, like eumetazoans. Unlike the sponges in phylum Porifera, eumetazoans, such as those in the phylum Cnidaria, have true tissues, including outer and inner tissue layers. This structure enables more complex functions and body plans. Hence, the correct answer to the question of which phylum includes animals that lack tissues is B. Porifera.

When a predator eats its prey, all the energy from the prey is transferred into the biomass of the predator
A) true
B) false

Answers

the answer is true :) 

Answer is B) false.

According to 10 % law of energy transfer, when a predator such as hawk eats its prey such as snake in a grassland ecosystem , only 10 % of the available energy of the prey (snake) is transferred into the biomass of the predator (hawk). Most of the remaining energy is lost as heat to the environment.


Which blood pressure readings for an adult would prompt a diagnosis of hypertension? a. 110/70 b. 140/96 c. 119/79 d. 130/79?

Answers

I believe the answer is 140/96. Hypertension refers to high blood pressure. It may lead to severe complications and increases the risk of heart disease, stroke, and death.The blood pressure of less than 120/80 mmHg is normal while that of 120 to 129/80 to 89 mmHg is referred as prehypertension, and that of 140/90 mmHg or higher is hypertension. 

Why do ribosomes attach to the endoplasmic reticulum?

Answers

Ribosomes are known to be the protein synthesizer of the cell and the attachment of the ribosomes to the membrane of the endoplasmic reticulum is to make it rough endoplasmic reticulum. However, the process of protein synthesis usually starts when mRNA moves from the nucleus to ribosomes on the surface of the rough endoplasmic reticulum.

Which families of metals are not so reactive, which allows them to exist by themselves in nature?

Answers

‘Noble gases’ are least reactive as their outer shells are fully filled with electrons. These do need to share their electrons from outer shells  with other elements .

The answers are:1. Noble Gases,

2. The closer the element is to the noble gases the less reactive it is.Hope this helps !!! :)

Rosemary had a stroke about a year ago and now she cannot understand what people are saying to her. this is embarrassing for her, so she responds using vague language and tries to make it appear as though she understands. which area of rosemary's brain was likely damaged by the stroke?

Answers

The area of Rosemary’s brain that was likely damaged by the stroke is the Wernicke’s area. This is the region of the brain that is important as they are responsible for language development in which this might have been the reason as to why Rosemary doesn't understand what are the people around her telling her.

Describe how a sunshine recorder works

Answers

A sunshine recorder, is a device that records the amount of sunshine at a given area. This helps to determined information about weather and climate as well as temperature of a geographical area.

Hope this helped :)

Answer:

A sunshine recorder is a device that records the amount of sunshine in a given area. This helps to determine information about weather and climate as well as the temperature of a geographical area.

Explanation:

copy and paste this ^^^^

100%

Coordination by the nervous and endocrine systems results in

Answers

 The Nervous and Endocrine Systems ... that results in a change in the activities of the organism

What organelle is labeled M?

Answers

The nucleus is labeled M.
The nucleus good luck!

An electrocardiogram is prescribed for a client complaining of chest pain. the nurse recognizes which as an early finding of an infarcted area of the heart?

Answers

Peak T waves in the ecg

If you hold a light tissue in your hands and gently blow across its top, the tissue will rise slightly because

Answers

 the answer is the pressure of moving air is less than that of static air.

hoped it helped!!

The branch of the autonomic nervous system that slows down the body as it recovers from exposure to a stressor is the _______________ nervous system

Answers

Sympathetic is the answer

Answer:

Parasympathetic

Explanation:

The process of using the information in mrna to synthesize protein is ___

Answers

this process is called Translation.
Final answer:

The process of using the information in mRNA to synthesize a protein is known as Translation. It involves the decoding of the mRNA's codon sequence at the ribosomes to construct a protein from amino acids. The tRNA molecules bring the amino acids to the ribosomes.

Explanation:

The process of using the information in mRNA to synthesize protein is called Translation. This is a fundamental step carried out at the ribosomes in cells during protein biosynthesis. The mRNA's role is to serve as a template for the assembly of amino acids into a protein structure. Each triplet on the mRNA, called a codon, correlates with a specific amino acid. The tRNA molecules transport the correct amino acids to the ribosomes based on the codon sequence. The ribosomes perform the complex task of binding to the mRNA and accurately matching each codon with its appropriate amino acid, forming the final protein product.

Learn more about Translation here:

https://brainly.com/question/23277238

#SPJ12

The outdated term for infant-directed speech is __________.

Answers

Final answer:

The outdated term for infant-directed speech is motherese. Motherese refers to the simplified and exaggerated speech patterns that adults adopt when talking to infants and young children.

Explanation:

The outdated term for infant-directed speech is motherese. Motherese refers to the simplified and exaggerated speech patterns that adults adopt when talking to infants and young children. It is characterized by a higher pitch, slower tempo, exaggerated intonation, and a simplified vocabulary.

Motherese is believed to serve an important role in language development by capturing the attention of infants and helping them differentiate speech sounds. It also facilitates bonding and social interaction between parents and infants.

Learn more about Infant-Directed Speech here:

https://brainly.com/question/32248008

#SPJ6

Final answer:

The outdated term for infant-directed speech is motherese, which involves simplified speech patterns and exaggerated intonation to help babies develop language and communication skills.

Explanation:

The outdated term for infant-directed speech is motherese. This kind of language involves simplified speech patterns, exaggerated intonation, and repetition. These elements help babies develop their language and communication skills. For instance, infants can recognize their mother's voice and discern between familiar languages and foreign ones. They also show preferences for faces that align with the sound of spoken language.

Essentially, motherese aids in the early stages of language acquisition, from cooing to babbling and eventually to the formation of first words.

Learn more about Motherese here:

https://brainly.com/question/14464329

#SPJ6

To promote shell formation in eggs ,what can be added to the diet of layers?

Answers

To promote shell formation calcium should be added more often the diet of layers.  Calcium is an important mineral for egg shell quality. It is the main component of the egg shell which consists of 95% of calcium carbonate. Deficiency of calcium in the diet of layers may lead to the reduction in eggs size and also the production, poor egg quality with high chances of breakage  and also an increased layer mortality.

Charles Darwin studied finches on the Galapagos Islands. While the finches on all the islands came from the same ancestors, the distance between the islands was too great to allow finches from different islands to interbreed. Over time, the size of the finches on the different islands remained the same, but the shape and size of their beaks changed, as shown here. This adaptation helped the finches find food on their particular island. The change in the size and shape of the finches’ beaks was MOST LIKELY caused by A) geographic isolation B) a change in climate. C) endangerment of the species. D) a decrease in the mutation rate. 9)

Answers

I am not sure but I think the answer would be A. Since where they live caused them to need to adapt.

The answer Is A (hope this helps)

This is the science of genes, heredity and variation of organisms.

Answers

that is true. because life would not be around if we didn't have these things oh and also you might want to put cells in there to because cells relate to our genes and make up us 

Answer:

It's genetics

Explanation:

In which habitat is one likely to find plants that have developed extremely large, broadleaf, evergreen leaves for gathering light, epiphytes, and climbing vines that strangle other plants?
a.taiga
b.kelp forest
c.tropical rainforest
d.temperate deciduous forest

Answers

Answer:

C. tropical rainforest

Explanation:

Because of the very dense canopy in the rainforest, little sunlight reaches the ground. For this reason most rainforest tree leaves are large and dark green, which aid them in capturing more sunlight for the photosynthesis process. Some trees will grow large leaves at the lower canopy level and small leaves in the upper canopy. These are strategies to reach sunlight in a leafy ecosystem where the light input is low.

The climbing vines apply this strategy of growing to maximize the sunlight they receive. Many start life in the canopy before sending roots down to the ground.

The Epiphytes live on the surface of other plants to make the most of the sunlight in the canopy layer.

Answer:

tropical rainforest

Explanation:

Which part of the brain is most involved in control proceeses such as impulse control, emtion control, and long term planning?

Answers

Frontal lobe is the answer you are looking for

A bacterial population that has been growing for 15 generations began as a single cell. how many cells are present now?

Answers

32,768 cells are present now. 

Does the order of amino acids in a protein matter

Answers

Yes.
The 'order' of amino acids is the protein sequence, also known as the primary structure. A peptide (short protein) with sequence XYXYXYXYX is very different from XXXXXXXYYYYYYY.

Yes, the order of amino acids in a protein is crucial and significantly affects its structure, function, and stability.

Does the order of amino acids in a protein matter

Proteins are polymers composed of a specific sequence of amino acids linked together by peptide bonds. This sequence is encoded by the genetic information in DNA.

The linear arrangement of amino acids determines how the protein folds into its three-dimensional structure. The folding of a protein is driven by various interactions between the amino acid side chains, including hydrogen bonding, hydrophobic interactions, electrostatic interactions, and disulfide bonds. These interactions occur between different amino acids in the sequence, and they dictate the specific folding pattern adopted by the protein.

The three-dimensional structure of a protein is intimately linked to its function.

Learn more about protein

https://brainly.com/question/884935

#SPJ6

Describe the process of the mitotic spindle and microtubules throughout the steps of mitosis.

Answers

The formation of the mitotic spindle starts at prophase. Between the prophase and the metaphase (some books call this the prometaphase), there are microtubules that surround the mitotic spindle fibers and these microtubules attach to the sister chromatids. In the metaphase, the two pairs of chromosomes attach to both of the two poles of the spindle. In anaphase, there will be separation of the spindles wherein the spindles go to opposite sides of the cell. In telophase, these spindles join with the centrioles, still on the opposite sides of the cell.
Final answer:

Microtubules form the mitotic spindle during Prophase, align the chromatids in Metaphase, pull them apart in Anaphase, and disappear during Telophase. They play a crucial role in chromatid separation.

Explanation:

The mitotic spindle, composed of microtubules, plays a critical role in the stages of mitosis. In Prophase, the mitotic spindle begins to form, extending from the centrosomes which move to opposite ends of the cell. The microtubules also break down. In Metaphase, the spindle fibers from each centrosome connect to a kinetochore on each sister chromatid, aligning them along the middle of the cell. The microtubules then start to contract.

In Anaphase, the spindle fibers contract further, pulling the sister chromatids apart to opposite poles of the cell. Then, in Telophase, the spindle fibers disappear, and the cell begins to split in a process known as cytokinesis.

Learn more about mitotic spindle and microtubules here:

https://brainly.com/question/32096714

#SPJ6

Erin is keeping a science journal. She wrote the following paragraph that explains how light travels through different mediums. But she’s made one mistake. Which sentence in Erin’s journal is incorrect? A ray of light passes through the air and enters the water inside a metal container. The light ray bends as it crosses the boundary between air and water. Once it hits the bottom of the container, the ray gets reflected. The reflected ray passes back through the water and enters the air without bending. In this example, the ray of light is both reflected and refracted.

Answers

The incorrect sentence in Erin's journal would be that the reflected ray passes back through the water and enters the air without bending.

How does light travel through different media?

Light rays travel from medium A to medium B and get refracted depending on the density of the 2 media.

Thus, when a light ray travels from air to water, it gets refracted at a particular angle and when the reflected ray travels back from the water to air, it also gets refracted at the same angle.

More on light refraction can be found here:https://brainly.com/question/14760207

#SPJ1

The incorrect sentence in Erin's journal is: 'The reflected ray passes back through the water and enters the air without bending.'

Erin's journal contains a mistake related to the behavior of light when it travels between different mediums. Specifically, the incorrect sentence is:

'The reflected ray passes back through the water and enters the air without bending.'

Light rays refract (bend) when they transition from one medium to another, such as from water back into air, due to the change in speed as they move from a denser to a less dense medium. Therefore, the reflected ray should also bend when it moves from water to air.

Here is the corrected version of the paragraph:

A ray of light passes through the air and enters the water inside a metal container.The light ray bends as it crosses the boundary between air and water.Once it hits the bottom of the container, the ray gets reflected.The reflected ray passes back through the water and bends as it enters the air again.In this example, the ray of light is both reflected and refracted.

This explanation aligns with the principles of refraction and reflection in physics.

Which of the following is not a cycle? A. The Moon B. Earth's movement around the Sun C. The Season D.Tornadoes

Answers

the answer is D.Tornadoes
A. The Moon 
                      
Which of the following is not a cycle? A. The Moon B. Earth's movement around the Sun C. The Season D.Tornadoes
Other Questions
how many fluorine atoms are found in 1.92 grams of AsF3? All drivers under the age of 21 have a specific restriction prohibiting them from To grant members of the principal group any permissions you assign, which type of permission would you assign? A simple random sample of 50 adults was surveyed, and it was found that the mean amount of time that they spend surfing the Internet per day is 54.2 minutes, with a standard deviation of 14.0 minutes. What is the 99% confidence interval (z-score = 2.58) for the number of minutes that an adult spends surfing the Internet per day? How do you write 3.42 in words How is free verse different from formal verse?It does not employ punctuation marks or other grammatical devices. It uses slang words and phrases rather than formal englishIt only rhymes every other line and is metered in a specific way It has irregular meter and line length and sounds like natural speech You are conducting an examination of mr. curtis's heart and blood vessels and auscultate a grade iii murmur. the intensity of this murmur is: These are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine that have created a hole in the ozoneQuestion 1 options:smogacid rainchlorofluorocarbons (CFCs)EPA Lorelei filled her 5-gallon jug water. How many times could she fill her 2-quart canteen with water from the jug? Explain. Suppose that an individual has a body fat percentage of 16.4% and weighs 153 pounds. how many pounds of her weight is made up of fat? round your answer to the nearest tenth. You're looking for a "few good fats" that include essential fatty acids. the best place to find them would be in a ____________. How does tobacco use weaken blood vessels? Answers from anybody please?? A circle has circumference of 20.7cm. What is the area of the circle? Using 3.14 Which of the following is a current trend in information technology careers? A.The differences between the pathways is becoming more rigid as different skills are needed. B.Employers expect new hires to be knowledgeable in many pathway careers. C.No new career titles have been added to the pathways for several years. D.Fewer people are looking for jobs in information technology. What type of rhyme is used in this excerpt from William Butler Yeats's poem "The Municipal Gallery Revisited"? My mediaeval knees lack health until they bend, But in that woman, in that household where Honour had lived so long, all lacking found. Childless I thought, 'My children may find here Deep-rooted things,' but never foresaw its end, And now that end has come I have not wept; No fox can foul the lair the badger swept -- how many frogs in the population do not have spots on their back The venous side of circulation contains a larger portion of the blood volume than the arterial side. a. True b. False 2. The speaker of a poem is _________. (1 point) always the author of the poem always a character invented by the author sometimes the author and sometimes an invented characterI say the last one, Which of the following describes a saturated solution?A. One containing 1 g of sugar in 100 mL of water.B. One that contains as much solute as it can hold at a given temperature.C. One that contains less solute than it can hold at 25oC.D. One in which the ratio of solute to solvent is small.E. One that is equivalent to a supersaturated solution.that is equivalent to a supersaturated solution.