BI 232 Questions and Answers Online
Quiz 3 Guide 2026
1. An increase in K+ concentration in the blood could lead zona glomerulosa.
to the release of hormones from the
2. When adenylate cyclase is activated, cAMP is formed.
3. The parasympathetic nervous system is characterized organs and by short post-
by peripheral ganglia near the: ganglionic fibers.
4. Changes in blood osmotic pressure would most affect ADH
the secretion of
5. Most sympathetic effector junctions release norep- dermal blood vessels
inephrine but a significant number release acetyl-
choline instead. Which of these is an example of an
organ of the sympathetic cholinergic type?
6. Vickie has a tumor that secretes excess amounts of the both an increase in blood
hormone aldosterone. Because of the elevated level of pressure and an increase
hormone, she exhibits in sodium reabsorption.
7. Hormone(s) that dominates during the resistance (more than one of the
phase of the general adaptation syndrome (GAS) is above.)
/are
8. Proper growth requires which of these hormones EX- (there is no except, proper
CEPT? growth requires them all)
calcitriol
insulin
growth hormone
thyroid hormone
9. A decrease in the autonomic tone of the smooth mus- (both A and D)
cle in a blood vessel would result in An increase in vessel diam-
, BI 232 Questions and Answers Online
Quiz 3 Guide 2026
eter.
An increase in blood flow
through the vessel.
10. Preganglionic neurons of the sympathetic nervous sys- lateral gray horns of seg-
tem are located in the ments T1 to L2 of the
spinal cord.
11. During sympathetic activation, occurs. (All of the answers are cor-
rect.)
Elevated heart rate
Sweating
Elevated blood pressure
Elevated blood glucose
12. The initial response to stress is called the and alarm reaction; norepi-
is mediated mainly by . nephrine and epinephrine
13. Glucagon increases blood glucose concentration and the antagonistic ettect
insulin decreases it. This is an example of .
14. A rise in angiotensin II levels would result in all of the increased urine produc-
following, except tion.
15. The secretes several hormones that stimulate thymus
the development of lymphatic organs and regulates
development and activity of T cells (white blood cells).
16. The pituitary hormone that promotes ovarian secre- LH
tion of progesterone and testicular secretion of testos-
terone is
17. The background rate of sympathetic and parasympa- autonomic tone
thetic activity is called .
Quiz 3 Guide 2026
1. An increase in K+ concentration in the blood could lead zona glomerulosa.
to the release of hormones from the
2. When adenylate cyclase is activated, cAMP is formed.
3. The parasympathetic nervous system is characterized organs and by short post-
by peripheral ganglia near the: ganglionic fibers.
4. Changes in blood osmotic pressure would most affect ADH
the secretion of
5. Most sympathetic effector junctions release norep- dermal blood vessels
inephrine but a significant number release acetyl-
choline instead. Which of these is an example of an
organ of the sympathetic cholinergic type?
6. Vickie has a tumor that secretes excess amounts of the both an increase in blood
hormone aldosterone. Because of the elevated level of pressure and an increase
hormone, she exhibits in sodium reabsorption.
7. Hormone(s) that dominates during the resistance (more than one of the
phase of the general adaptation syndrome (GAS) is above.)
/are
8. Proper growth requires which of these hormones EX- (there is no except, proper
CEPT? growth requires them all)
calcitriol
insulin
growth hormone
thyroid hormone
9. A decrease in the autonomic tone of the smooth mus- (both A and D)
cle in a blood vessel would result in An increase in vessel diam-
, BI 232 Questions and Answers Online
Quiz 3 Guide 2026
eter.
An increase in blood flow
through the vessel.
10. Preganglionic neurons of the sympathetic nervous sys- lateral gray horns of seg-
tem are located in the ments T1 to L2 of the
spinal cord.
11. During sympathetic activation, occurs. (All of the answers are cor-
rect.)
Elevated heart rate
Sweating
Elevated blood pressure
Elevated blood glucose
12. The initial response to stress is called the and alarm reaction; norepi-
is mediated mainly by . nephrine and epinephrine
13. Glucagon increases blood glucose concentration and the antagonistic ettect
insulin decreases it. This is an example of .
14. A rise in angiotensin II levels would result in all of the increased urine produc-
following, except tion.
15. The secretes several hormones that stimulate thymus
the development of lymphatic organs and regulates
development and activity of T cells (white blood cells).
16. The pituitary hormone that promotes ovarian secre- LH
tion of progesterone and testicular secretion of testos-
terone is
17. The background rate of sympathetic and parasympa- autonomic tone
thetic activity is called .
