QUESTIONS AND CORRECT VERIFIED ANSWERS
GRADE Q&A
,1. An initial disturbance in a system sets off a chain of events that does not favor
stability and often abruptly displaces a system from its steady state: what is that?
a. Positive Feedback
b. Negative Feedback
c. Disease
d. Homeostasis: a. positive feedback
2. What organ shrinks with age?
a. Prostate
b. Gums
c. Heart
d. All of the above: b. gums
3. Which of the following is true?
a. An infant will have a slower heart rate than an adult
b. The elderly have better temperature sensations
c. There are more sweat glands in an elderly person
d. There is less thirst perception in the elderly: d. there is less thirst perception in
the elderly
4. Which of the following is true?
a. Women snore more than men
b. Men have higher calcium levels
c. Women have a lower hemoglobin than men
,d. Men have a lower creatinine level than women: c. Women have a lower
hemoglobin than men
5. An increase in normal adaptive response to the decreased availability of
oxygen at high altitude is termed which?
a. Circadian
b. Acclimatization
c. Population
d. Diurnal: b. Acclimatization
6. What does it mean when the cause of the disease is unwanted medical
treatment?
a. Idiopathic
b. Ecogenetic
c. Genotypical
d. Iatrogenic: d. Iatrogenic
7. Which term is used for the first two months of life?
a. Infancy
, b. Childhood
c. Prenatal
d. Neonatal: d. Neonatal
8. Which is an objectively identifiable aberration of the disease?
a. Symptom
b. Syndrome
c. Stage
d. Sign: d. Sign
9. Which of the following is true regarding catecholamines?
a. They are from the parasympathetic nervous system
b. They cross the blood brain barrier
c. They include epinephrine and norepinephrine
d. They cause of decrease in heart rate: c. They include epinephrine and norepi-
nephrine
10. Which of the following is a true statement?
a. Antidiuretic hormone is not important for blood volume regulation
b. Endorphins increase with stress, resulting in a decrease in pain perception
c. Epinephrine and cortisol act very differently
d. Cortisol negates epinephrine's activity: b. Endorphins increase with stress,
resulting in a decrease in pain perception
11. By what mechanism do lipid molecules cross cell membranes?