GMS6419: MOCK EXAM 1 + 2
Some neural cells secrete chemicals into the extracellular fluid that act on adjacent cells
in the same tissue. Which of the following refers to this type of regulation? - Answers
:Paracrine
Licorice contains a compound - glycerrhetinic acid - that inhibits the action of 11 beta
hydroxysteroid dehydrogenase -2 (11β-HSD2). In a medical student who is consuming
enormous quantities of licorice, what would one expect? - Answers :increased cortisol
action in the kidney
Oxytocin is: - Answers :Synthesized primarily in neurons in the paraventricular nucleus.
A baby is born with congenital adrenal hyperplasia. You use your skills as a pediatric
endocrinologist to determine that this child has a partial loss-of-function mutation in the
CYP21 gene. Before treatment, your lab results for this child include which of the
following? - Answers :elevated plasma dehydroepiandrosterone (DHEA) concentration
Anterior pituitary hormones normally target endocrine glands. Which of the following is
the exception? - Answers :Prolactin
Which of the following enzymes is important for breakdown of epinephrine and
norepinephrine to inactive products: - Answers :COMT
Which of the following catecholamine receptors is not linked to changes in adenylyl
cyclase activity (and therefore changes in cyclic AMP levels)?
Group of answer choices - Answers :α1 adrenergic
Which of the following is true about the thyroid gland? - Answers :The thyroid contains
parafollicular cells.
Which of the following is not a function of thyroid hormone binding proteins TTR and
TBG? - Answers :Facilitate transport of thyroxine and T3 across the plasma membranes
of target cells.
A 12 y/o girl is being evaluated for possible attention deficit-hyperactivity disorder
(ADHD). Thyroid function studies are ordered to exclude hyperthyroidism.
Pt result
TSH......... 4.5 mIU/mL ( 0.35 - 4.3 mIU/mL)FT4.......... 2.3 ng/dL. (0.8 - 1.7
ng/d)T3............ 360 ng/dL. (80 - 200 ng/dL)
Her pulse is 80 bpm (normal <100 bpm), her BP is 90/60 (normal) and her reflexes are
normal. She sleeps 8 hours per night. Her weight is stable with a BMI of 15 kg/M2. She
has experienced no changes in her hair or skin and she is does not have constipation or
diarrhea. What is the correct assessment of her thyroid function?
Group of answer choices - Answers :Euthyroid
Some neural cells secrete chemicals into the extracellular fluid that act on adjacent cells
in the same tissue. Which of the following refers to this type of regulation? - Answers
:Paracrine
Licorice contains a compound - glycerrhetinic acid - that inhibits the action of 11 beta
hydroxysteroid dehydrogenase -2 (11β-HSD2). In a medical student who is consuming
enormous quantities of licorice, what would one expect? - Answers :increased cortisol
action in the kidney
Oxytocin is: - Answers :Synthesized primarily in neurons in the paraventricular nucleus.
A baby is born with congenital adrenal hyperplasia. You use your skills as a pediatric
endocrinologist to determine that this child has a partial loss-of-function mutation in the
CYP21 gene. Before treatment, your lab results for this child include which of the
following? - Answers :elevated plasma dehydroepiandrosterone (DHEA) concentration
Anterior pituitary hormones normally target endocrine glands. Which of the following is
the exception? - Answers :Prolactin
Which of the following enzymes is important for breakdown of epinephrine and
norepinephrine to inactive products: - Answers :COMT
Which of the following catecholamine receptors is not linked to changes in adenylyl
cyclase activity (and therefore changes in cyclic AMP levels)?
Group of answer choices - Answers :α1 adrenergic
Which of the following is true about the thyroid gland? - Answers :The thyroid contains
parafollicular cells.
Which of the following is not a function of thyroid hormone binding proteins TTR and
TBG? - Answers :Facilitate transport of thyroxine and T3 across the plasma membranes
of target cells.
A 12 y/o girl is being evaluated for possible attention deficit-hyperactivity disorder
(ADHD). Thyroid function studies are ordered to exclude hyperthyroidism.
Pt result
TSH......... 4.5 mIU/mL ( 0.35 - 4.3 mIU/mL)FT4.......... 2.3 ng/dL. (0.8 - 1.7
ng/d)T3............ 360 ng/dL. (80 - 200 ng/dL)
Her pulse is 80 bpm (normal <100 bpm), her BP is 90/60 (normal) and her reflexes are
normal. She sleeps 8 hours per night. Her weight is stable with a BMI of 15 kg/M2. She
has experienced no changes in her hair or skin and she is does not have constipation or
diarrhea. What is the correct assessment of her thyroid function?
Group of answer choices - Answers :Euthyroid
