Physiology - Final (Nightingale College) exam questions with ANSWERS

Physiology - Final (Nightingale College) exam |\ |\ |\ |\ |\ |\




questions with ANSWERS |\ |\




Positive-feedback control systems: - CORRECT ANSWERS |\ |\ |\ |\ |\ |\


✔✔accelerate a change. |\ |\




Of the pathogenic organisms, which of the following are the most
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complex?
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-Viruses
-Tapeworms
-Bacteria
-Protozoa - CORRECT ANSWERS ✔✔Tapeworms
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Shivering to try to raise your body temperature back to normal
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would be an example of:
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-the body trying to maintain homeostasis.
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-a positive-feedback mechanism.
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-a negative-feedback mechanism. - CORRECT ANSWERS ✔✔the
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body trying to maintain homeostasis and a negative-feedback
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mechanism


The term that literally means self-immunity is: - CORRECT
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ANSWERS ✔✔autoimmunity |\

,Intracellular parasites that consist of DNA or RNA surrounded by
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a protein coat and sometimes by a lipoprotein envelope are
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called: - CORRECT ANSWERS ✔✔viruses
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Pathogenesis can be defined as: - CORRECT ANSWERS ✔✔the |\ |\ |\ |\ |\ |\ |\ |\ |\


course of disease development.
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Intrinsic control: - CORRECT ANSWERS ✔✔is sometimes called
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autoregulation.


Which of the following is not one of the basic components in a
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feedback control loop? |\ |\




-Effector mechanism |\




-Transmitter
-Sensor
-Integrating center - CORRECT ANSWERS ✔✔transmitter|\ |\ |\ |\ |\




Negative-feedback control systems: - CORRECT ANSWERS |\ |\ |\ |\ |\ |\


✔✔oppose a change |\ |\




Negative-feedback mechanisms: |\




-minimize changes in blood glucose levels.
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-maintain homeostasis. |\




-are responsible for an increased rate of sweating when air
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temperature is higher than body temperature. - CORRECT |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔All the above are correct of the negative-feedback
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mechanisms

,The amino group in an amino acid is: - CORRECT ANSWERS
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✔✔NH3+


The element that is present in all proteins but not in
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carbohydrates is: - CORRECT ANSWERS ✔✔nitrogen |\ |\ |\ |\ |\




Which of the following is not one of the major groups of organic
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substances in the human body? |\ |\ |\ |\




-proteins
-salts
-lipids
-nucleic acids - CORRECT ANSWERS ✔✔salts
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The term glycoprotein, a combination of two words, tells you that
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the compound is made of _____, with _____ being the dominant
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component. - CORRECT ANSWERS ✔✔carbohydrate and protein;
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protein


Humans can synthesize 13 of 21 basic amino acids; the
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remaining 8, which must be included in the diet, are called: -
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CORRECT ANSWERS ✔✔essential amino acids
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Which energy-releasing or energy-transferring molecule does not
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contain a nucleotide? - CORRECT ANSWERS ✔✔Creatine
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phosphate

, Which level of protein structure refers to the number, kind, and
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sequence of amino acids? - CORRECT ANSWERS ✔✔primary
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All of the following substances are organic except:
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-lipids
-electrolytes
-carbohydrates
-proteins - CORRECT ANSWERS ✔✔electrolytes |\ |\ |\ |\




Which of the following is not true of RNA?
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-it contains ribose sugar
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-it contains adenine
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-it is composed of smaller molecules called nucleotides
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-all of the above are true of RNA - CORRECT ANSWERS ✔✔all of
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the above are true of RNA
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The types of lipids found that form hormones, such as cortisone,
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estrogen, and testosterone are: - CORRECT ANSWERS ✔✔Steroids
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The type of lipoprotein associated with "bad" cholesterol and the
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production of atherosclerotic changes in blood vessels is: -
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CORRECT ANSWERS ✔✔LDL |\ |\




What is the most important factor in determining the physical
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and chemical properties of fatty acids? - CORRECT ANSWERS
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✔✔Degree of saturation |\ |\