Anatomy II Exam 1 Practice for Midterm NDSU Questions with Revised Answers
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Course
NDSU
Institution
NDSU
Anatomy II Exam 1 Practice for Midterm NDSU Questions with Revised Answers
Which of the following is NOT an action of parathyroid hormone?
Decreases the release of phosphate from bone
Stimulates osteoclast activity resulting in the release of Ca2+
Stimulates increased reabsorption of Ca2+ ...
Anatomy II Exam 1 Practice for Midterm
NDSU Questions with Revised Answers
Which of the following is NOT an action of parathyroid hormone?
Decreases the release of phosphate from bone
Stimulates osteoclast activity resulting in the release of Ca2+
Stimulates increased reabsorption of Ca2+ in the kidneys
Stimulates absorption of Ca2+ from the small intestine
Increases enzymatic formation of active vitamin D - Answer-Decreases the release of
phosphate from bone
A function of insulin is to
increase the uptake of glucose by its target tissues.
decrease the uptake of amino acids by its target tissues.
increase glycogen breakdown in the liver and skeletal muscle.
increase breakdown of lipids.
increase gluconeogenesis. - Answer-increase the uptake of glucose by its target
tissues.
Gonadotropin-releasing hormone (GnRH) regulates the release of_________.
growth hormone from the anterior pituitary gland
oxytoxin from the posterior pituitary gland
estrogen and testosterone from the gonads
gonadotropins from the anterior pituitary gland
prolactin from the anterior pituitary gland - Answer-gonadotropins from the anterior
pituitary gland
ADH (antidiuretic hormone)
is produced by cells of the anterior pituitary.
is stored and released from the posterior pituitary.
has the uterus as its primary target.
travels on axons to its target tissue.
travels in the blood from the hypothalamus to the posterior pituitary. - Answer-is stored
and released from the posterior pituitary.
The endocrine system
releases neurotransmitters into ducts.
secretes chemicals that reach their targets through the bloodstream.
communicates via frequency-modulated signals.
contains organs called exocrine glands.
is isolated from the nervous system. - Answer-secretes chemicals that reach their
targets through the bloodstream.
Steroid hormones
bind to membrane receptors.
diffuse easily through the plasma membrane.
act by activating cAMP.
are inactivated by phosphodiesterase.
are water soluble. - Answer-diffuse easily through the plasma membrane.
Which type of chemical messenger stimulates the cell that originally secreted it?
In some forms of diabetes, an insensitivity to insulin seems to be present. This
insensitivity could be the result of_________.
up-regulation
over-regulation
down-regulation
a lack of regulation
modulation - Answer-down-regulation
The half-life of a hormone allows one to determine
the rate of hormone secretion.
the identity of a hormone.
the rate at which hormones are eliminated from the body.
, the rate of action of a hormone.
the rate of travel through the blood to a target. - Answer-the rate at which hormones are
eliminated from the body.
Which chemical class of hormone is more likely to need a binding protein for transport in
the blood?
Water-soluble
Amino acid derivative
Protein
Lipid-soluble - Answer-Lipid-soluble
Hormone A has entered the cell and binds to a nuclear receptor, while hormone B binds
to a membrane receptor on the outside of the cell. Which statement is TRUE about
hormone A?
Hormone A is in the lipid-soluble category.
Hormone A is in the water-soluble category.
Hormone A will stimulate the activation of a G protein.
Hormone A will cause the formation of cAMP. - Answer-Hormone A is in the lipid-
soluble category.
Which of the following statements is NOT true?
The hypothalamus is important to both the nervous and endocrine systems.
Both the nervous and endocrine systems may utilize the same chemical molecule.
Some neurons secrete hormones.
Both the nervous and endocrine systems respond quickly and are active for a long time.
- Answer-Both the nervous and endocrine systems respond quickly and are active for a
long time.
All of the following are reasons why some hormones need assistance to travel in the
blood except
they are small enough to be easily digested by blood enzymes.
they are easily filtered from the blood into the kidney tubules.
they have low solubility in blood plasma due to their chemical nature.
they cannot dissolve in the blood because they are water-soluble. - Answer-they cannot
dissolve in the blood because they are water-soluble.
Hormones are intercellular chemical signals that
are secreted into the external environment where they act.
affect only non-hormone producing organs or tissues.
help coordinate growth, development and reproduction.
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