(Week 1-8) Questions and Answers_ (Answer Key below) | Latest Summer 2026 – APUS.
Week 1
1. The two major organ systems that participate in relatively "long distance"
communication in order to control and coordinate actions in the body are the
system and the system.
Question 1 options:
a) Skeletal; muscular
b) Cardiovascular; endocrine
c) Muscular; integumentary
d) Nervous; endocrine
e) Muscular; nervous
2. What secretory cell type is found in the adrenal medulla?
Question 2 options:
a) neuroglial cells
b) oxyphil cells
c) beta cells
d) chromaffin cells
e) follicle cells
3. The gonads produce what class of hormones?
Question 3 options:
a) neurotransmitters
b) amine hormones
c) catecholamines
d) steroid hormones
e) peptide hormones
4. Which of the following statements about insulin is true?
Question 4 options:
a) Insulin acts as a transport protein, carrying glucose across the cell membrane.
b) Insulin facilitates the movement of intracellular glucose transporters to the cell
membrane.
,c) Insulin stimulates the breakdown of stored glycogen into glucose.
d) Insulin stimulates the kidneys to reabsorb glucose into the bloodstream.
, e) Two of the above are true statements.
5. The function of the placental hormone human placental lactogen (hPL) is to
.
Question 5 options:
a) prepare the breasts for lactation
b) nourish the placenta
c) regulate the menstrual cycle
d) help the placenta to mature
e) All of the above are true.
6. The alpha cells of the pancreatic islets produce and secrete .
Question 6 options:
a) insulin
b) glucagon
c) epinephrine
d) alphagen
e) All of the above
7. Hormones regulate certain target cell responses. These can include which
of the following?
Question 7 options:
a) Metabolism
b) Growth and development of tissue
c) Fluid balance
d) All of the above are correct.
e) Sexual function
8. The parathyroid glands are small structures located on the posterior thyroid
gland that produce parathyroid hormone (PTH), which regulates blood levels.
Question 8 options:
a) potassium
, b) insulin
c) adrenalin
d) thyroid hormone
e) calcium
9. Which general type of hormone can easily pass through the cell
membrane and into the cytoplasm of the cell?
Question 9 options:
a) Lipid-soluble hormones
b) Protein hormones
c) Water-soluble hormones
d) CNS hormones
e) Pituitary hormones
10. The development of a goiter indicates that .
Question 10 options:
a) the anterior pituitary is abnormally enlarged
b) there is hypertrophy of the thyroid's follicle cells
c) there is an excessive accumulation of colloid in the thyroid follicles
d) the anterior pituitary is secreting excessive growth hormone
e) Both B and C are correct.
11. The hormones of the human body can be divided into which of the
following major group(s)?
Question 11 options:
a) Sex hormones
b) CNS hormones
c) Hormones derived from amino acids
d) Hormones derived from lipids
e) C and D above are correct.
12. Stage one of GAS is called the alarm reaction. This is short-term stress, the
fight-or-flight response, mediated by the hormones and
from the adrenal medulla.