25 Jun Biology 242 Ch. 16 (Endocrine) Quiz
Question
1
Group quiz Name (and group names if group copy): _______________________________________
Biology 242 Ch. 16 (Endocrine) Date: __________________________
Directions: Circle the one best answer per question, or follow the instructions for the question. Work on
your own first, then work in a group. Make sure to write your full name above, as well as group members
names if this is the group copy. Note that some questions require critical thinking! (5 pts)
1. Regarding your understanding of the hormones TH, TRH, and TSH,
a) write the name of the structure that produces TH _______________________
b) write the name of the structure that produces TRH _______________________
c) write the name of the structure that produces TSH _______________________
d) If TSH levels rise, you would expect that to ________ levels of TH (circle one):
i) increase ii) decrease iii) not change
e) If TRH levels rise, you would expect that to ________ levels of TSH (circle one):
i) increase ii) decrease iii) not change
f) If TH levels rise, you would expect that to ________ levels of TSH (circle one):
i) increase ii) decrease iii) not change
g) If TH levels rise, you would expect that to ________ levels of TRH (circle one):
i) increase ii) decrease iii) not change
2. Let’s say Hormone A, produced by the hypothalamus, causes the anterior pituitary gland to secrete
Hormone B. Hormone B causes another gland to secrete Hormone C.
i) Based on your understand of regulation of hormone levels, you would predict that high levels of
Hormone C would have what effect on Hormone A secretion?
a) Hormone C would increase Hormone A secretion
b) Hormone C would have no effect on Hormone A secretion
c) Hormone C would decrease Hormone A secretion
ii) Write an example of a set of 3 hormones represented by A, B, and C (do not use any hormones listed in
Question 1) Write out the full names of the hormones, not their abbreviations:
Example of Hormone A: __________________________________________________
Example of Hormone B: __________________________________________________
Example of Hormone C: __________________________________________________
CONTINUED
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3. Which of the following would NOT be an expected result if the anterior pituitary gland were removed?
a) the growth rate of bones may be altered b) blood pressure may be altered
c) the basal metabolic rate may be altered d) blood calcium levels may be altered
e) sex hormone production may decrease f) more than one of a-e is correct
4. Answer the following questions about hormones.
i) Which of the following hormones binds to an intracellular receptor? Circle ALL that apply.
a) glucagon b) FSH c) epinephrine
d) TRH e) cortisol f) T4
g) testosterone
ii) List the hormones from part i) that have an amino acid based structure:
iii) List the hormones from part i) that have a steroid based structure:
iv) List the hormones from part i) that are water-soluble:
v) List the hormones from part i) that would require a carrier protein to be transported in blood:
5. Let’s say while studying for a test you were eating some delicious ice cream, and you were so focused on
studying that you accidentally ate the entire container of ice cream! While you are digesting this snack you
would expect your insulin levels to be __________ ; and your glucagon levels to be __________ .
a) high ; high b) high ; low
c) low ; high d) low ; low
6. Circle the primary type of stimulus that causes each of the following hormones to be released:
a) ADH: i) hormonal stimulus ii) humoral stimulus iii) neural stimulus
b) TSH: i) hormonal stimulus ii) humoral stimulus iii) neural stimulus
c) testosterone: i) hormonal stimulus ii) humoral stimulus iii) neural stimulus
d) TRH: i) hormonal stimulus ii) humoral stimulus iii) neural stimulus
CONTINUED
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7. Briefly explain in 1-2 full sentences what the actual stimulus is that causes the hormone to be released
(for example: Insulin is released when blood glucose levels drop too low.)
a) ADH:
b) TSH:
c) testosterone:
8. Let’s say insulin binds to the insulin receptor on a target cell and activates a G protein signaling pathway.
For all of the molecules in this pathway, which of the following would you expect that cell to have the most
of?
a) protein kinase molecules
b) adenylate cyclase molecules
c) insulin receptor molecules
d) G proteins
e) second messenger molecules
f) there will be about the same number of molecules for all of a-e
9.
i) Briefly explain the cause of Cushing’s disease, including the hormone involved and whether that hormone
is at too high or too low levels.
ii) Briefly explain the main symptoms/signs of Cushing’s disease.
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