Bio 325
BIOL 325 Exam 2 Study Questions
with Verified Solutions 2025
Exocytosis is a process that releases ____ from cells. a) steroid hormones b) amino
acid based hormones c) inhibitory neurotransmitters d) a and b e) b and c -Correct
Answers ✔-e) b and c
Release of ATP that activates a receptor on the cell that secreted it, is an example
of ______ signaling. A) autocrine B) endocrine C) paracrine D) exocrine -Correct
Answers ✔-A) autocrine
This endocrine glad produces and secretes the most tropic hormones. A) pituitary
gland B) hypothalamus C) adrenal gland D) ovaries -Correct Answers ✔-B)
hypothalamus
Release of ____ is regulated through positive feedback. A) cortisol B) oxytocin C)
testosterone -Correct Answers ✔-B) oxytocin
Which of the following glands releases hormones that directly INHIBIT the
immune system A) posterior pituitary B) pineal C) adrenal cortex D) thyroid -
Correct Answers ✔-C) adrenal cortex
_____ leads to burning of fat stores. A) thyroid hormones B) insulin C) growth
hormone D) A and B E) A and C -Correct Answers ✔-E) A and C
Which of the following is associated with a secondary pathology of
hypothyroidism? A) increased release of thyrotropin releasing hormone B)
decreased release of thyroid stimulating hormone C) iodine deficiency D) Grave's
disease -Correct Answers ✔-B) decreased release of thyroid stimulating hormone
Damage to the testosterone receptor in the hypothalamus could lead to an
INCREASE in ______. A) gonadotropin releasing hormone B) luteinizing
Bio 325
, Bio 325
hormone C) testosterone D) A and B E) A and B and C -Correct Answers ✔-E) A
and B and C
_______ is (are) carried by blood proteins. A) prolactin B) parathyroid hormone C)
thyroid hormones D) growth hormone -Correct Answers ✔-C) thyroid hormones
Which of the following hormonal characteristics is matched to the WRONG group
of hormones A) axoplasmic transport of steroid hormones B) steroid hormones
lasts longer in the blood stream C) vesicular transport of amino acid based
hormones D) simple diffusion of steroid across membranes -Correct Answers ✔-
A) axoplasmic transport of steroid hormones
Assuming no other health problems, which of the following hormonal conditions
would be associated with LOWER urine output? A) high aldosterone, high ADH
B) high aldosterone, low ADH C) low aldosterone, high ADH D) low aldosterone,
low ADH -Correct Answers ✔-A) high aldosterone, high ADH
This hormone increases in the blood in response to stress and makes use of an
extracellular receptor on target cells. A) epinephrine B) growth hormone C)
glucagon D) cortisol -Correct Answers ✔-A) epinephrine
Which of the following hormones regular the inorganic ion composition of the
body. A) thyroid hormones, parathyroid hormone, cortisol B) calcitonin,
parathyroid hormone, aldosterone C) calcitonin, oxytocin, cortisol D) prolactin,
oxytocin, aldosterone -Correct Answers ✔-B) calcitonin, parathyroid hormone,
aldosterone
Goiter is a direct result of _____ thyroid stimulating hormone and _____ thyroid
hormones. A) decreased, increased B) decreased, decreased C) increased, increased
D) increased, decreased -Correct Answers ✔-D) increased, decreased
Bio 325
BIOL 325 Exam 2 Study Questions
with Verified Solutions 2025
Exocytosis is a process that releases ____ from cells. a) steroid hormones b) amino
acid based hormones c) inhibitory neurotransmitters d) a and b e) b and c -Correct
Answers ✔-e) b and c
Release of ATP that activates a receptor on the cell that secreted it, is an example
of ______ signaling. A) autocrine B) endocrine C) paracrine D) exocrine -Correct
Answers ✔-A) autocrine
This endocrine glad produces and secretes the most tropic hormones. A) pituitary
gland B) hypothalamus C) adrenal gland D) ovaries -Correct Answers ✔-B)
hypothalamus
Release of ____ is regulated through positive feedback. A) cortisol B) oxytocin C)
testosterone -Correct Answers ✔-B) oxytocin
Which of the following glands releases hormones that directly INHIBIT the
immune system A) posterior pituitary B) pineal C) adrenal cortex D) thyroid -
Correct Answers ✔-C) adrenal cortex
_____ leads to burning of fat stores. A) thyroid hormones B) insulin C) growth
hormone D) A and B E) A and C -Correct Answers ✔-E) A and C
Which of the following is associated with a secondary pathology of
hypothyroidism? A) increased release of thyrotropin releasing hormone B)
decreased release of thyroid stimulating hormone C) iodine deficiency D) Grave's
disease -Correct Answers ✔-B) decreased release of thyroid stimulating hormone
Damage to the testosterone receptor in the hypothalamus could lead to an
INCREASE in ______. A) gonadotropin releasing hormone B) luteinizing
Bio 325
, Bio 325
hormone C) testosterone D) A and B E) A and B and C -Correct Answers ✔-E) A
and B and C
_______ is (are) carried by blood proteins. A) prolactin B) parathyroid hormone C)
thyroid hormones D) growth hormone -Correct Answers ✔-C) thyroid hormones
Which of the following hormonal characteristics is matched to the WRONG group
of hormones A) axoplasmic transport of steroid hormones B) steroid hormones
lasts longer in the blood stream C) vesicular transport of amino acid based
hormones D) simple diffusion of steroid across membranes -Correct Answers ✔-
A) axoplasmic transport of steroid hormones
Assuming no other health problems, which of the following hormonal conditions
would be associated with LOWER urine output? A) high aldosterone, high ADH
B) high aldosterone, low ADH C) low aldosterone, high ADH D) low aldosterone,
low ADH -Correct Answers ✔-A) high aldosterone, high ADH
This hormone increases in the blood in response to stress and makes use of an
extracellular receptor on target cells. A) epinephrine B) growth hormone C)
glucagon D) cortisol -Correct Answers ✔-A) epinephrine
Which of the following hormones regular the inorganic ion composition of the
body. A) thyroid hormones, parathyroid hormone, cortisol B) calcitonin,
parathyroid hormone, aldosterone C) calcitonin, oxytocin, cortisol D) prolactin,
oxytocin, aldosterone -Correct Answers ✔-B) calcitonin, parathyroid hormone,
aldosterone
Goiter is a direct result of _____ thyroid stimulating hormone and _____ thyroid
hormones. A) decreased, increased B) decreased, decreased C) increased, increased
D) increased, decreased -Correct Answers ✔-D) increased, decreased
Bio 325
