BIOL 2252 Lab Exam 1 UPDATED ACTUAL Questions and
CORRECT Answers
endocrine Glands that produce and release chemical messengers (hormones) to be
transported in the blood are _________ glands.
exocrine Glands that produce a product that is released into a duct, which transports the
product directly to its target organ or tissue, are glands.
thyroid Identify the gland where parafollicular cells are located.
adrenal gland What consists of a cortex and medulla, with each part having different
embryological origins?
thyroid gland What consists of follicles lined with a simple cuboidal epithelium?
parathyroid glands What are the 4 small endocrine glands that secrete a hormone that regulates
blood calcium levels?
hypothalamus What secretes hormones to regulate hormone release by the anterior pituitary
gland?
pineal gland What secretes the hormone melatonin?
ovaries Which of the following is the major endocrine gland that secretes sex steroid
hormones in the female?
antidiuretic hormone; oxytocin Which of the following hormone(s) is/are secreted by the posterior pituitary
gland? (Check all that apply.)
3 multiple choice options
luteinizing hormone The hormone released by the anterior pituitary gland that induces ovulation in
females is ________ _.
glucagon; alpha A drop in blood glucose levels is corrected by the secretion of ________ by
_ ______ cells in the pancreas.
stimulates A decrease in thyroid hormone __________ the release of thyrotropin-releasing
hormone by the hypothalamus.
superior The adrenal glands are located __________ to each kidney.
ADH; oxytocin Axon terminals of the supraoptic nuclei primarily store and release _______ , while
the axon terminals of the paraventricular nuclei primarily store and release
__________.
thyroid hormone Follicular cells of the thyroid gland produce _________ _.
, calcitonin Parafollicular cells of the thyroid gland produce ________ _.
increase; increasing; decreasing The major action of parathyroid hormone, produced by the parathyroid gland, is
to ___________ blood calcium levels by___________ the action of osteoclasts and ___________
urinary excretion of calcium.
epinephrine and norepinephrine What increased heart rate, contractility, and vasoconstriction?
cortisol What increased glucose synthesis through protein breakdown, gluconeogenesis,
and lipolysis?
aldosterone What increased sodium and water retention by the kidneys?
androgens What is similar in structure and function to testosterone?
islets The small islands of lighter-staining cells of the pancreas are known as pancreatic
_________________.
endocrine; exocrine The pancreatic islets compose the portion of the pancreas dedicated to
_ ________ function, whereas the pancreatic acini compose the portion of the
pancreas dedicated to ___________ function.
increase; decrease Insulin is released in response to a(n) ___________in blood glucose levels,
whereas glucagon is released in response to a(n) __________ in blood glucose
levels.
glucagon Match the cell type of the pancreatic islets listed with the hormones secreted by
each cell.
Alpha cells --> ?
insulin Match the cell type of the pancreatic islets listed with the hormones secreted by
each cell.
Beta cells --> ?
somatostatin Match the cell type of the pancreatic islets listed with the hormones secreted by
each cell.
Delta cells --> ?
pancreatic polypeptide Match the cell type of the pancreatic islets listed with the hormones secreted by
each cell.
F cells --> ?
thyroid gland The following micrograph is a specimen from what gland?
CORRECT Answers
endocrine Glands that produce and release chemical messengers (hormones) to be
transported in the blood are _________ glands.
exocrine Glands that produce a product that is released into a duct, which transports the
product directly to its target organ or tissue, are glands.
thyroid Identify the gland where parafollicular cells are located.
adrenal gland What consists of a cortex and medulla, with each part having different
embryological origins?
thyroid gland What consists of follicles lined with a simple cuboidal epithelium?
parathyroid glands What are the 4 small endocrine glands that secrete a hormone that regulates
blood calcium levels?
hypothalamus What secretes hormones to regulate hormone release by the anterior pituitary
gland?
pineal gland What secretes the hormone melatonin?
ovaries Which of the following is the major endocrine gland that secretes sex steroid
hormones in the female?
antidiuretic hormone; oxytocin Which of the following hormone(s) is/are secreted by the posterior pituitary
gland? (Check all that apply.)
3 multiple choice options
luteinizing hormone The hormone released by the anterior pituitary gland that induces ovulation in
females is ________ _.
glucagon; alpha A drop in blood glucose levels is corrected by the secretion of ________ by
_ ______ cells in the pancreas.
stimulates A decrease in thyroid hormone __________ the release of thyrotropin-releasing
hormone by the hypothalamus.
superior The adrenal glands are located __________ to each kidney.
ADH; oxytocin Axon terminals of the supraoptic nuclei primarily store and release _______ , while
the axon terminals of the paraventricular nuclei primarily store and release
__________.
thyroid hormone Follicular cells of the thyroid gland produce _________ _.
, calcitonin Parafollicular cells of the thyroid gland produce ________ _.
increase; increasing; decreasing The major action of parathyroid hormone, produced by the parathyroid gland, is
to ___________ blood calcium levels by___________ the action of osteoclasts and ___________
urinary excretion of calcium.
epinephrine and norepinephrine What increased heart rate, contractility, and vasoconstriction?
cortisol What increased glucose synthesis through protein breakdown, gluconeogenesis,
and lipolysis?
aldosterone What increased sodium and water retention by the kidneys?
androgens What is similar in structure and function to testosterone?
islets The small islands of lighter-staining cells of the pancreas are known as pancreatic
_________________.
endocrine; exocrine The pancreatic islets compose the portion of the pancreas dedicated to
_ ________ function, whereas the pancreatic acini compose the portion of the
pancreas dedicated to ___________ function.
increase; decrease Insulin is released in response to a(n) ___________in blood glucose levels,
whereas glucagon is released in response to a(n) __________ in blood glucose
levels.
glucagon Match the cell type of the pancreatic islets listed with the hormones secreted by
each cell.
Alpha cells --> ?
insulin Match the cell type of the pancreatic islets listed with the hormones secreted by
each cell.
Beta cells --> ?
somatostatin Match the cell type of the pancreatic islets listed with the hormones secreted by
each cell.
Delta cells --> ?
pancreatic polypeptide Match the cell type of the pancreatic islets listed with the hormones secreted by
each cell.
F cells --> ?
thyroid gland The following micrograph is a specimen from what gland?