Name: ID#
FINAL EXAMINATION FOR ANSC*3080 (TOTAL 80 MARKS)
DECEMBER 15, 2020 - 2 HOURS
Multiple-choice questions. Circle the appropriate answer (27 marks total).
Question 1: Which of the following statement about Growth Hormone (GH) is
INACCURATE?
a) Growth hormone is produce in the posterior pituitary
b) In adult, GH mainly controls metabolism
c) GH protein sequence differs across species (low cross reactivity)
d) GH stimulates the production of IGF-1 by the liver
e) GH receptor is a member of the interleukin/cytokine family
Question 2: Which of the following Growth Hormone (GH) effect is INDIRECT?
a) Growth hormone stimulation of protein synthesis
b) Growth hormone stimulation of lipid catabolism
c) Growth hormone impact on nutrients partitioning
d) Growth hormone stimulation of skeletal growth
e) Growth hormone stimulation of milk production
Question 3: Insulin and Glucagon are two hormones produced by which
gland/organ?
a) Adrenals
b) Pituitary
c) Pancreas
d) Duodenum
e) Liver
Question 4: Animals raised inland often suffer from Iodine deficiency. What is the
consequence of such deficiency?
a) Increased body temperature due to a general increase in metabolism
b) Low levels of thyroid hormones in plasma
c) Decreased secretion of thyroid stimulating hormone (TSH) from the pituitary
d) Atrophied (smaller) thyroid gland
e) Enhanced nervous velocity
1
,Name: ID#
Question 5: Which of the following hormone is not released by the adrenal glands
(including both medulla and cortex)?
a) Cortisol
b) Epinephrine/Adrenaline
c) Aldosterone
d) Acetylcholine
e) Androgens
Question 6: Which of the following effects IS NOT mediated by glucocorticoids?
a) Glucocorticoids increase in blood glucose levels
b) At high level, glucocorticoids induce protein degradation
c) At high level, glucocorticoids have immunosuppressive effects
d) Glucocorticoids are mediators of the response to stress
e) Glucocorticoids increase cellular uptake of glucose
Question 7: Which of the following statements about mineralocorticoids
(aldosterone type) is ACCURATE?
a) Mineralocorticoids are primarily regulate by ACTH
b) Mineralocorticoids are produced in the Zona reticularis of the adrenal cortex
c) Mineralocorticoids stimulate the reabsorption of Na+ in the kidney
d) The receptors to mineralocorticoids are G-protein coupled receptors
e) Mineralocorticoids are downregulated by angiotensin II
Question 8: Which of the following statements about primordial germ cells (PGCs)
is INNACCURATE?
a) PGCs originate from what is known at extraembryonic source
b) PGCs migrate to colonize the genital ridge to form indifferent gonads
c) PGCs proliferate once in the genital ridge
d) PGCs will become Oocytes or Spermatogonia in the differentiated gonads
e) PGCs initiate their first meiotic division
Question 9: Which of the following statements about the testes is INNACCURATE?
a) The testes are located outside of the abdominal cavity
b) Testes require to be maintained 4-6C below core temperature for
spermatogenesis to proceed
c) Blood supply enters the testes from the outside through a layer of
vascularized connective tissue (tunica alnbuginae)
d) Sperm produced in the seminiferous tubules directly drain into the deferent
ducts
e) Seminiferous tubules are sealed by a basal lamina and tight junctions from
Sertoli cells.
2
, Name: ID#
Question 10: In the testis, testosterone is produced by:
a) Sertoli cells
b) Leydig cells
c) Both Sertoli and Leydig cells
d) Spermatogonia
e) Endothelial cells
Question 11: In the male, which of the following glands IS NOT an accessory gland
of the reproductive tract:
a) Bulbourethral gland
b) Ampular gland
c) Prostate gland
d) Sebaceous gland
e) Vesicular gland (seminal vesicle)
Question 12: Which of the following events DOES NOT OCCUR during
SPERMIOGENESIS (the last maturation of spermatids before being released)?
a) Completion of meiosis
b) Nuclear condensation
c) Loss of excess cytoplasm
d) Formation of the acrosome
e) Formation of the sperm tail
Question 13: After spermatogenesis, spermatozoa are still infertile and immobile.
WHERE within the male reproductive tract can you find mature sperm that could
be used for artificial insemination?
a) Seminiferous tubule
b) Head of the epididymis
c) Body of the epididymis
d) Tail of the epididymis
e) None of the above they become mature upon ejaculation
Question 14: During estrus, passage of sperms through the cervix is facilitated
because (select the write answer):
a) Estradiol increases the acidity of mucus
b) Estradiol inhibits the action of neutrophils
c) Estradiol triggers hyperactivation of sperm in the cervix
d) Estradiol thins the mucus along specific (preferential) channels/pathways
e) Estradiol reduces mucus secretion from the cervix to prevent retrograde flow
3
FINAL EXAMINATION FOR ANSC*3080 (TOTAL 80 MARKS)
DECEMBER 15, 2020 - 2 HOURS
Multiple-choice questions. Circle the appropriate answer (27 marks total).
Question 1: Which of the following statement about Growth Hormone (GH) is
INACCURATE?
a) Growth hormone is produce in the posterior pituitary
b) In adult, GH mainly controls metabolism
c) GH protein sequence differs across species (low cross reactivity)
d) GH stimulates the production of IGF-1 by the liver
e) GH receptor is a member of the interleukin/cytokine family
Question 2: Which of the following Growth Hormone (GH) effect is INDIRECT?
a) Growth hormone stimulation of protein synthesis
b) Growth hormone stimulation of lipid catabolism
c) Growth hormone impact on nutrients partitioning
d) Growth hormone stimulation of skeletal growth
e) Growth hormone stimulation of milk production
Question 3: Insulin and Glucagon are two hormones produced by which
gland/organ?
a) Adrenals
b) Pituitary
c) Pancreas
d) Duodenum
e) Liver
Question 4: Animals raised inland often suffer from Iodine deficiency. What is the
consequence of such deficiency?
a) Increased body temperature due to a general increase in metabolism
b) Low levels of thyroid hormones in plasma
c) Decreased secretion of thyroid stimulating hormone (TSH) from the pituitary
d) Atrophied (smaller) thyroid gland
e) Enhanced nervous velocity
1
,Name: ID#
Question 5: Which of the following hormone is not released by the adrenal glands
(including both medulla and cortex)?
a) Cortisol
b) Epinephrine/Adrenaline
c) Aldosterone
d) Acetylcholine
e) Androgens
Question 6: Which of the following effects IS NOT mediated by glucocorticoids?
a) Glucocorticoids increase in blood glucose levels
b) At high level, glucocorticoids induce protein degradation
c) At high level, glucocorticoids have immunosuppressive effects
d) Glucocorticoids are mediators of the response to stress
e) Glucocorticoids increase cellular uptake of glucose
Question 7: Which of the following statements about mineralocorticoids
(aldosterone type) is ACCURATE?
a) Mineralocorticoids are primarily regulate by ACTH
b) Mineralocorticoids are produced in the Zona reticularis of the adrenal cortex
c) Mineralocorticoids stimulate the reabsorption of Na+ in the kidney
d) The receptors to mineralocorticoids are G-protein coupled receptors
e) Mineralocorticoids are downregulated by angiotensin II
Question 8: Which of the following statements about primordial germ cells (PGCs)
is INNACCURATE?
a) PGCs originate from what is known at extraembryonic source
b) PGCs migrate to colonize the genital ridge to form indifferent gonads
c) PGCs proliferate once in the genital ridge
d) PGCs will become Oocytes or Spermatogonia in the differentiated gonads
e) PGCs initiate their first meiotic division
Question 9: Which of the following statements about the testes is INNACCURATE?
a) The testes are located outside of the abdominal cavity
b) Testes require to be maintained 4-6C below core temperature for
spermatogenesis to proceed
c) Blood supply enters the testes from the outside through a layer of
vascularized connective tissue (tunica alnbuginae)
d) Sperm produced in the seminiferous tubules directly drain into the deferent
ducts
e) Seminiferous tubules are sealed by a basal lamina and tight junctions from
Sertoli cells.
2
, Name: ID#
Question 10: In the testis, testosterone is produced by:
a) Sertoli cells
b) Leydig cells
c) Both Sertoli and Leydig cells
d) Spermatogonia
e) Endothelial cells
Question 11: In the male, which of the following glands IS NOT an accessory gland
of the reproductive tract:
a) Bulbourethral gland
b) Ampular gland
c) Prostate gland
d) Sebaceous gland
e) Vesicular gland (seminal vesicle)
Question 12: Which of the following events DOES NOT OCCUR during
SPERMIOGENESIS (the last maturation of spermatids before being released)?
a) Completion of meiosis
b) Nuclear condensation
c) Loss of excess cytoplasm
d) Formation of the acrosome
e) Formation of the sperm tail
Question 13: After spermatogenesis, spermatozoa are still infertile and immobile.
WHERE within the male reproductive tract can you find mature sperm that could
be used for artificial insemination?
a) Seminiferous tubule
b) Head of the epididymis
c) Body of the epididymis
d) Tail of the epididymis
e) None of the above they become mature upon ejaculation
Question 14: During estrus, passage of sperms through the cervix is facilitated
because (select the write answer):
a) Estradiol increases the acidity of mucus
b) Estradiol inhibits the action of neutrophils
c) Estradiol triggers hyperactivation of sperm in the cervix
d) Estradiol thins the mucus along specific (preferential) channels/pathways
e) Estradiol reduces mucus secretion from the cervix to prevent retrograde flow
3
