BIOL 373 FINAL QUESTIONS WITH VERIFIED
ACCURATE ANSWERS
Acinar cells of the pancreas secrete proteins into a duct that empties into the lumen of
the small intestine. These proteins would be considered ...
Question options:
a)
neurotransmitters
b)
exocrine secretions
c)
hormones
d)
neurohormones
e)
paracrine factors - Answers - b)
exocrine secretions
Oxytocin, a peptide, is released by neuron terminals in the posterior pituitary gland. It
enters the bloodstream and acts on uterine smooth muscle. In this context, this
substance could be referred to as a ...
Question options:
a)
hormone
b)
neurotransmitter
c)
neurohormone
d)
a and c
e)
a, b and c - Answers - d)
a and c
Assuming constant release from the testes, effects of endogenous testosterone would
be increased by ...
Question options:
a)
increased expression of androgen receptors by target cells
b)
administration of an androgen antagonist
c)
increased excretion of androgens into urine and feces
d)
, a and c
e)
a, b and c - Answers - a)
increased expression of androgen receptors by target cells
Endocrine cells producing large amounts of a peptide hormone would be characterized
by ...
Question options:
a)
extensive rough endoplasmic reticulum
b)
vesicles containing their hormone product near the plasma membrane
c)
extensive smooth endoplasmic reticulum
d)
a and b
e)
b and c - Answers - d)
a and b
The genomic mechanism of action for steroids would include ...
Question options:
a)
opening of ion channels
b)
driving transcription of particular genes leading to synthesis of proteins
c)
activation of intracellular kinase cascades
d)
a and c
e)
any of the above, depending on the hormone. - Answers - b)
driving transcription of particular genes leading to synthesis of proteins
In the endocrine reflex in which plasma K+ concentrations are regulated by aldosterone,
what structure or cell type serves as the integrating centre?
Question options:
a)
The region in the cerebral cortex responsible for ion homeostasis
b)
A region in the hypothalamus
c)
A region in the brainstem
d)
The adrenal medulla
e)
ACCURATE ANSWERS
Acinar cells of the pancreas secrete proteins into a duct that empties into the lumen of
the small intestine. These proteins would be considered ...
Question options:
a)
neurotransmitters
b)
exocrine secretions
c)
hormones
d)
neurohormones
e)
paracrine factors - Answers - b)
exocrine secretions
Oxytocin, a peptide, is released by neuron terminals in the posterior pituitary gland. It
enters the bloodstream and acts on uterine smooth muscle. In this context, this
substance could be referred to as a ...
Question options:
a)
hormone
b)
neurotransmitter
c)
neurohormone
d)
a and c
e)
a, b and c - Answers - d)
a and c
Assuming constant release from the testes, effects of endogenous testosterone would
be increased by ...
Question options:
a)
increased expression of androgen receptors by target cells
b)
administration of an androgen antagonist
c)
increased excretion of androgens into urine and feces
d)
, a and c
e)
a, b and c - Answers - a)
increased expression of androgen receptors by target cells
Endocrine cells producing large amounts of a peptide hormone would be characterized
by ...
Question options:
a)
extensive rough endoplasmic reticulum
b)
vesicles containing their hormone product near the plasma membrane
c)
extensive smooth endoplasmic reticulum
d)
a and b
e)
b and c - Answers - d)
a and b
The genomic mechanism of action for steroids would include ...
Question options:
a)
opening of ion channels
b)
driving transcription of particular genes leading to synthesis of proteins
c)
activation of intracellular kinase cascades
d)
a and c
e)
any of the above, depending on the hormone. - Answers - b)
driving transcription of particular genes leading to synthesis of proteins
In the endocrine reflex in which plasma K+ concentrations are regulated by aldosterone,
what structure or cell type serves as the integrating centre?
Question options:
a)
The region in the cerebral cortex responsible for ion homeostasis
b)
A region in the hypothalamus
c)
A region in the brainstem
d)
The adrenal medulla
e)
