Physiology - Final (Nightingale College) Week 15
Questions and Verified Answers
100% Guarantee Pass
1. Positive-feedback control systems
Answer: accelerate a change.
2. Of the pathogenic organisms, which of the following are the most complex?
-Viruses
-Tapeworms
-Bacteria
-Protozoa
Answer: Tapeworms
3. Shivering to try to raise your body temperature back to normal would be an
example of
-the body trying to maintain homeostasis.
-a positive-feedback mechanism.
,-a negative-feedback mechanism.
Answer: the body trying to maintain homeostasis and a negative-feedback mechanism
4. The term that literally means self-immunity is
Answer: autoimmunity
5. Intracellular parasites that consist of DNA or RNA surrounded by a protein
coat and sometimes by a lipoprotein envelope are called
Answer: viruses
6. Pathogenesis can be defined as
Answer: the course of disease development.
7. Intrinsic control
Answer: is sometimes called autoregulation.
8. Which of the following is not one of the basic components in a feedback
control loop?
-Effector mechanism
-Transmitter
-Sensor
-Integrating center
Answer: transmitter
9. Negative-feedback control systems
, Answer: oppose a change
10. Negative-feedback mechanisms
-minimize changes in blood glucose levels.
-maintain homeostasis.
-are responsible for an increased rate of sweating when air temperature is
higher than body temperature.
Answer: All the above are correct of the negative-feedback mechanisms
11. The amino group in an amino acid is
Answer: NH3+
12. The element that is present in all proteins but not in carbohydrates is
Answer: nitrogen
13. Which of the following is not one of the major groups of organic substances
in the human body?
-proteins
-salts
-lipids
-nucleic acids
Answer: salts
, 14. The term glycoprotein, a combination of two words, tells you that the com-
pound is made of , with being the dominant component.
Answer: carbohydrate and protein; protein
15. Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which
must be included in the diet, are called
Answer: essential amino acids
16. Which energy-releasing or energy-transferring molecule does not contain a
nucleotide?
Answer: Creatine phosphate
17. Which level of protein structure refers to the number, kind, and sequence of
amino acids?
Answer: primary
18. All of the following substances are organic except
-lipids
-electrolytes
-carbohydrates
-proteins
Answer: electrolytes
19. Which of the following is not true of RNA?
Questions and Verified Answers
100% Guarantee Pass
1. Positive-feedback control systems
Answer: accelerate a change.
2. Of the pathogenic organisms, which of the following are the most complex?
-Viruses
-Tapeworms
-Bacteria
-Protozoa
Answer: Tapeworms
3. Shivering to try to raise your body temperature back to normal would be an
example of
-the body trying to maintain homeostasis.
-a positive-feedback mechanism.
,-a negative-feedback mechanism.
Answer: the body trying to maintain homeostasis and a negative-feedback mechanism
4. The term that literally means self-immunity is
Answer: autoimmunity
5. Intracellular parasites that consist of DNA or RNA surrounded by a protein
coat and sometimes by a lipoprotein envelope are called
Answer: viruses
6. Pathogenesis can be defined as
Answer: the course of disease development.
7. Intrinsic control
Answer: is sometimes called autoregulation.
8. Which of the following is not one of the basic components in a feedback
control loop?
-Effector mechanism
-Transmitter
-Sensor
-Integrating center
Answer: transmitter
9. Negative-feedback control systems
, Answer: oppose a change
10. Negative-feedback mechanisms
-minimize changes in blood glucose levels.
-maintain homeostasis.
-are responsible for an increased rate of sweating when air temperature is
higher than body temperature.
Answer: All the above are correct of the negative-feedback mechanisms
11. The amino group in an amino acid is
Answer: NH3+
12. The element that is present in all proteins but not in carbohydrates is
Answer: nitrogen
13. Which of the following is not one of the major groups of organic substances
in the human body?
-proteins
-salts
-lipids
-nucleic acids
Answer: salts
, 14. The term glycoprotein, a combination of two words, tells you that the com-
pound is made of , with being the dominant component.
Answer: carbohydrate and protein; protein
15. Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which
must be included in the diet, are called
Answer: essential amino acids
16. Which energy-releasing or energy-transferring molecule does not contain a
nucleotide?
Answer: Creatine phosphate
17. Which level of protein structure refers to the number, kind, and sequence of
amino acids?
Answer: primary
18. All of the following substances are organic except
-lipids
-electrolytes
-carbohydrates
-proteins
Answer: electrolytes
19. Which of the following is not true of RNA?
