A lack of awareness of oneself or one's surroundings is called
Answer: Delirium
A person who suffers delirium experience lack of awareness of oneself or one’s surroundings. Delirium is a serious disturbance in mental abilities results in confused thinking and reduced environmental awareness. This manifestation is transient and usually reversible but it can occur at any age especially in elderly who have previously compromised mental status.
The _____ is the main means for transmitting messages between the brain and the body.
a. cortex
b. medulla
c. axon
d. spinal cord
The correct answer is d. spinal cord.
Spinal cord is a bundle of neurons which starts from the brain and runs down the entire length of the back of the body. The spinal cord acts as a main means to transmit the messages between the brain and the body.
Sensory or efferent neurons carry the information from the perimeter of the body and pass to the central nervous system whereas the motor or efferent neurons act as a communication channel and carry the information from the nervous system to various glands and muscles.
What is a potassium hydroxide (koh) test and what specific nursing actions should be taken when obtaining fungal skin specimens?
When a person’s hair, nails, and skin areas are infected with fungus, such infections are determined by a doctor through the KOH test. While taking a skin sample for the test, the nurse or a doctor must use a scraping tool to remove the infected skin and place it in the KOH solution, which is later examined under the microscope.
Further Explanation:
The KOH or potassium hydroxide test is generally performed to check whether the cause of infection in the skin is a fungus or not. The constituent elements in KOH are potassium (K), hydrogen (H), and oxygen (O), which together produce potassium hydroxide. The products such as soft soaps, fertilizers, and alkaline batteries make use of KOH.
A change on the surface of the skin or skin lesion can be a result of infection through many agents. The KOH test is done when a fungal infection is suspected. The infection through tinea cruris and ringworm are the fungal infections usually determined by the KOH test.
The symptoms of the infection by a fungus include:
Red, itchy patches on the skin When it occurs in the mouth, white patches are seen Thickened or deformed nailsThe procedure of the test involves the following steps:
A small area of the skin is scraped through a glass slide or any other instrument. The scraped skin is kept in a potassium hydroxide solution. The KOH kills the healthy cell while keeping the fungal cells alive. A normal KOH test would result in the absence of fungal cells. An abnormal test result will have the presence of fungal cells. The presence or absence of the fungal infection is determined after examining the solution containing the infected skin area under the microscope.
Therefore, if the KOH solution degrades all the cells, the infection is not done by a fungus. This means that the symptoms might have occurred due to some other infectious agent. In the presence of fungal infection, the doctor might suggest further treatment.
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Answer Details:
Grade: College Biology
Chapter: Fungal Infections
Subject: Biology
Keywords:
KOH test, potassium hydroxide, fungal infection, ringworm, tinea cruris, glass slide, fungal cells.
A person calls the clinic and tells the primary health care provider, "last night i travelled to a ski resort located on the mountaintop. after arriving, i began to have difficulty breathing. i also have a headache, and i am very tired. is there a medication you can prescribe to help me?" which question does the nurse anticipate the primary health care provider will ask the patient before prescribing the appropriate treatment?
In a windmill, electrical voltage is produced in the _____. rotor blades shaft generator wires to your house
Answer:
Option C, generator
Explanation:
The rotor blades acts as a barrier to the wind energy and thus when wind turns the blades , some of its energy is transferred to the rotor of the blades. As the rotor rotates, it also rotates the shaft and convert mechanical energy into electrical energy. The dynamo with in the generator is connected to the shaft of the turbine which produces electrical energy with certain ampere and voltage values. Thus , it can be said that electrical voltage is produced in the generator of the windmill.
Hence, option C is correct
Crushing > Sizing > Concentrating > Dewatering
Which process is shown?
A. Coal blending
B. Magma crystallization
C. Crude oil refining
D. Mineral processing
how do oceanographers define salinity
If the aorta of the heart is damaged, which function of the heart will be affected first?
Damaging the aorta impacts the heart's ability to distribute oxygen-rich blood to the body first, as the aorta is the main artery responsible for this function.
If the aorta of the heart is damaged, the function of distributing oxygen-rich blood to the body will be affected first. The aorta receives blood directly from the left ventricle through the aortic valve and is responsible for carrying the blood to systemic circulation. Should the aorta suffer from conditions such as an aortic aneurysm or dissection, which are medical emergencies, the blood's path to the rest of the body would be compromised, leading to reduced oxygen and nutrient delivery and ultimately, can cause life-threatening complications.
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What is the disadvantage of a shallow shoulder socket
List the three bacterial species in order of their increasing fastidiousness
Answer:
S. mitis E. coli A. faecalisExplanation:
Fastidious bacteria are heterotrophic beings that require nutrients and vitamins that are specific to their development, and do not grow well in conventional culture media. Examples of such bacteria are S. mitis, E. coli and A. faecalis.
Fastidious means something that is dull, stressful. We say that a bacterium is fastidious because it is not easy to grow in culture media, using dull means to be able to observe them.
which gases are carried by red blood cells. check all that apply
Answer:
The correct answer would be oxygen and carbon dioxide.
The main function of Red Blood Cells (RBCs) or erythrocytes is to transport oxygen from the lungs to all cells of the body. In addition, it transports carbon dioxide from cells to the lungs from where it is exhaled out.
RBCs contain iron containing biomolecule termed as hemoglobin. It can bind to oxygen as well as carbon dioxide in a reversible manner. It depends upon the partial pressure of the gases in a cell.
For example, at the alveolar site, the partial pressure of oxygen is high which increases the efficiency of hemoglobin towards oxygen. Oxygen then binds with hemoglobin in a reversible manner to form oxyhemoglobin.
At the cellular site, the partial pressure of carbon dioxide is higher as compared to that of oxygen. Consequently, oxygen is released and hemoglobin binds with carbon dioxide to form carbamino-hemoglobin.
If you were scaled down to half your size, what would you expect of your strength?
Which statement best describes why food webs consist of many food chains put together? A. All animals are carnivores. B. All living things eventually die and decompose. C. Most organisms eat more than one thing. D. Animals that live in water are never eaten by land animals.
Answer:
The answer is C. Most organisms eat more the one thing.
Explanation:
The statement that best describes why food webs consist of many food chains put together is that most organisms eat more than one thing. Therefore, option (C) is correct.
What are food webs?A food web is a graphical representation of the complex feeding relationships and energy flow between different organisms within an ecosystem. It consists of multiple interconnected food chains that illustrate how energy and nutrients move through an ecosystem.
This means that many organisms have multiple feeding relationships, and thus participate in multiple food chains within an ecosystem. This is because many organisms are not restricted to eating only one type of food or prey. Rather, they may consume a variety of different organisms or food sources, allowing for complex interconnections between different food chains. In addition, some organisms can occupy multiple trophic levels, depending on what they are eating or being eaten by, further contributing to the complexity of food webs.
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H2O Given the chemical formula, how is this substance MOST LIKELY classified? A) atom Eliminate B) compound C) both atom and compound D) neither atom nor compound
Answer:
B compound
Explanation:
Which of the following is likely the direct source of energy to move the sailboat? A, sun B. Wind. C. Moving sails D, Moving water
Answer:
The most likely would be wind!
Explanation:
The wind will push the sail on the boat along the water. Although moving water can make a difference the most direct source of energy would be the wind!
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Which option correctly defines a scientific argument?
a)a type of reasoning that moves from general to specific explanations
b)a logical description of how data-based evidence supports or does not support a hypothesis
c)a type of reasoning that moves from specific to general explanations a process that involves creating
d)a hypothesis and then proving it correct through experimentation
Answer:
The correct option is B. Scientific argument is a logical description of how data-based evidence supports or does not support a hypothesis
Explanation:
When a scientist or a group of scientists agree or disagree with a certain hypothesis, scientific arguments are generated. Scientific argumentation plays a very important role in science. Based on these arguments, researches are conducted and then rec- conducted. Scientific argument provides logical reasoning for a particular hypothesis to be correct or wrong. A researcher has to support his scientific argument with sufficient pieces of evidence and facts to make it acceptable.
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Many different types of mutations can occur within the body. Sickle cell anemia is a disease that occurs when a mutation in a base pair of the hemoglobin beta gene causes a single replacement of the amino acid glutamic acid by the amino acid valine.
As a result of this mutation, the individual’s blood cells take on a sickle shape under certain conditions and form clusters that can block blood vessels and cause organ damage.Which type of mutation causes sickle cell anemia?
A.) silent
B.) missense
C.) insertion
D.) frameshift
Answer:
B
Explanation:
Sickle cell anemia is a mutation of the red blood cells, caused by a missense mutation of the beta-haemoglobin gene.
This mutation is known as a missense mutation because it mistakes one amino acid, for another. Instead of having the codon read GAG, which codes for glutamic acid, the codon mutates to read GUG, which codes for the amino acid valine.
This seemingly small mutation, has a major overall effect on the structure of the beta-haemoglobin protein that is formed.
The other options explained:
A silent mutation happens when a codon changes, but the overall outcome leads to the same amino acid being produced (CUU and CUA both code for the amino acid leucine).
An insertion mutation happens when a nucleotide is unintentionally added into the chain of nucleotides. This can also lead to a frame-shift mutation, depending on the number of nucleotides have been added. Due to the fact that codons are read in sets of three, if three nucleotides are added next to each other, then that insertion mutation will have the effect of adding another amino acid to the chain, without changing anything else. However, if only one or two nucleotides are added, this insertion causes a frame-shift mutation which can alter the amino acids that come after it.
Because of mike's weight lifting, his muscles are adapting and growing larger. this muscle growth is called
It is not until the final period of prenatal development, the _____ stage, that the developing child becomes easily recognizable.
forces that cause a change in motion are
Which is the correctly accented pronunciation of coccygeal?
The correct pronunciation of 'coccygeal' is kɑk'si'dʒil.
kɑk'si'dʒil word originates from the term 'coccyx,' which refers to the small, triangular bone at the base of the spinal column in humans, commonly known as the tailbone.
In the word 'coccygeal,' the primary stress falls on the second syllable 'si.' So, when you say 'coccygeal,' you emphasize the 'si' part more strongly.
'kok' - rhymes with 'sock', the first 'k' is hard, like in 'cat'.
'si' - pronounced as 'see', and this is the stressed syllable.
'dʒil' - the 'dʒ' sounds like the 'g' in 'giraffe' and 'il' like 'eel'.
throughout history which of these is an ecological impact associated with agriculture
The nutrients that provide the greatest amount of energy per gram are _____
Final answer:
Fats and oils provide the greatest energy per gram at about 9 Calories per gram, compared to 4 Calories per gram provided by both proteins and carbohydrates.
Explanation:
Fats and oils stand out among macronutrients for their energy density, providing a substantial 9 Calories per gram, which is more than double the energy yield of proteins and carbohydrates, each offering around 4 Calories per gram. This higher caloric content underscores their significance as potent sources of energy in our diets, emphasizing the importance of understanding macronutrient composition for effective nutritional planning.
Such distinctions guide dietary choices, recognizing the pivotal role of fats and oils in supplying concentrated energy that fuels various physiological processes in the human body.
Organisms from two separate species can look anatomically similar. true or false? true false
A new protein supplement is designed to help athletes gain weight. To test this claim, 40 athletes are studied. 20 athletes are given the supplement and the other 20 are given a placebo. There weight is measured each week for 12 weeks. What is the responding or dependent variable?
Answer:
The responding or dependent variable is the weight gain by athletes
Explanation:
A variable whose effective value or performance is dependent on one or more independent variable is known as dependent variable
In this experiment, protein supplement is an independent variable as its value is not dependent on any other factor. While , the value of weight gain by athletes is dependent on intake of protein supplement
Hence, the responding or dependent variable is the weight gain by athletes.
A young woman was brought into the emergency room because of repeated seizures. her roommate said that the woman had taken the drug ecstasy the night before, and that she had been drinking a lot of water. a blood test showed her plasma na+ was very low: 120mm (normal 135-145), and her plasma osmolality was 250mosmoles/kg (normal 280-296). why would her low osmolality and low na+ concentration disrupt her brain function and cause seizures? what might be a possible therapy for this person?
Explain how a change in thermal energy causes matter to change from one state to another. Give two examples
A change in thermal energy can cause matter to change from one state to another through phase changes. For example, when ice is heated, it melts and changes into a liquid state. Similarly, when water is heated to its boiling point, it vaporizes and changes into a gaseous state.
Explanation:A change in thermal energy can cause matter to change from one state to another through phase changes. When thermal energy is added to a substance, its temperature increases, and it may undergo phase changes such as melting, vaporization, or sublimation. For example, when a solid is heated, such as ice, its thermal energy increases, causing it to melt and change into a liquid state. Similarly, when a liquid, like water, is heated to its boiling point, it undergoes vaporization and changes into a gaseous state. These phase changes occur because the added thermal energy breaks the bonds between molecules, allowing them to move more freely and change their arrangement.
____ on the blood determine a person’s blood type.
Ans.
A blood type or blood group of a person is determined by the antigen present on the surface of blood cell of that person. The antigen present on the cell surface may a carbohydrate, glycolipid, protein, or glycoprotein molecule. Humans show four blood groups, which are A, B, AB, and O on the basis of antigen present in their red blood cells.
Thus, the blank can be filled as 'antigens.'
Blood types are determined by the presence or absence of antigens on the surface of red blood cells. The ABO blood type system and Rh blood group are examples of antigen systems used to classify blood types.
Explanation:Blood types are determined by the presence or absence of different proteins called antigens found on the surface of red blood cells.
For example, the ABO blood type system is based on the presence of two antigens, A and B, on the red blood cells. Individuals can have blood types A, B, AB, or O, depending on the combination of antigens they have. The Rh blood group is another antigen system, with individuals being either Rh positive or Rh negative based on the presence or absence of the Rh antigen.
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Which of the following activities has a negative impact on biodiversity