BIO 251 Final Exam Questions And
Answers Rated A+.
how do anabolic steroids ingested by a male athlete disrupt the normal male reproductive
system? - Answer the steroids mimic testosterone and thereby negatively feedback on GnRH
and LH production
what anterior pituitary hormone is NOT a tropic hormone? - Answer prolactin
which is (are) NOT a function(s) of the basal nuclei? - Answer language
which of the following happens during a fight or flight response? - Answer none of the above
which of the following statements about simple spinal reflexes is true? - Answer a spinal reflex
can occur without input from the brain
a spinal reflex can occur very rapidly because input from the brain is not required
which of the following statements about Type II diabetes is true? - Answer it is the most
prevalent form of diabetes in the US
it can cause blindness
during literal phase (days 15 to 28) of the female reproductive cycle, progesterone - Answer is
recreated but the corpus luteum and causes vascularization of the endometrium in preparation
for embryo arrival
a person has a tumor in the anterior pituitary causing a decrease in ACTH secretion. which of
the following correctly describes changes in plasma levels of hormones? - Answer increased
CRH, decreased ACTH, and decreased cortisol
the______ causes vasocongestion in the penis; the _______ causes emission of semen and the
____causes expulsion of the semen - Answer parasympathetic; sympathetic, sympathetic
lipophilic hormones are transported in blood _____ and bind to receptors located ______ -
Answer bound to carrier proteins; inside the target cell
, the part of the brain most involved in controlling the respiratory system is - Answer the brain
stem
a person who suffers hypothyroidism probably has - Answer poor cold tolerance
slow speech and poor memory
where in the central nervous system do the preganglionic neurons of the parasympathetic
nervous system originate? - Answer sacral region of the spinal cord
which of the following statements about the female sexual cycle is FALSE? - Answer the
sympathetic nervous system causes vasodilation of the vagina and clitoris
TRUE:
-it is controlled primarily by a spinal cord reflex
-the parasympathetic nervous system causes lubrication of the vagina
the receptors in a sour taste bud bind _____ which block____ channels. this depolarizes the
membrane because_____ - Answer H+; K+; positive ions continue to leak into the cell but are
prevented from leaking out
a portion of the_____, which must monitor the blood, is not subject to the blood brain barrier -
Answer the hypothalamus
which structure of the brain further manipulates missing visual data to complete the picture of
"reality" as occurs with optical illusion? - Answer cerebral cortex
the function of a second messenger system is to___ - Answer amplify the response of the first
messenger
the type of neurons with axon terminals in the central nervous system are - Answer afferent
neurons and interneurons
information from chemoreceptors in your mouth is sent to the CNS via - Answer a sensory
afferent
Answers Rated A+.
how do anabolic steroids ingested by a male athlete disrupt the normal male reproductive
system? - Answer the steroids mimic testosterone and thereby negatively feedback on GnRH
and LH production
what anterior pituitary hormone is NOT a tropic hormone? - Answer prolactin
which is (are) NOT a function(s) of the basal nuclei? - Answer language
which of the following happens during a fight or flight response? - Answer none of the above
which of the following statements about simple spinal reflexes is true? - Answer a spinal reflex
can occur without input from the brain
a spinal reflex can occur very rapidly because input from the brain is not required
which of the following statements about Type II diabetes is true? - Answer it is the most
prevalent form of diabetes in the US
it can cause blindness
during literal phase (days 15 to 28) of the female reproductive cycle, progesterone - Answer is
recreated but the corpus luteum and causes vascularization of the endometrium in preparation
for embryo arrival
a person has a tumor in the anterior pituitary causing a decrease in ACTH secretion. which of
the following correctly describes changes in plasma levels of hormones? - Answer increased
CRH, decreased ACTH, and decreased cortisol
the______ causes vasocongestion in the penis; the _______ causes emission of semen and the
____causes expulsion of the semen - Answer parasympathetic; sympathetic, sympathetic
lipophilic hormones are transported in blood _____ and bind to receptors located ______ -
Answer bound to carrier proteins; inside the target cell
, the part of the brain most involved in controlling the respiratory system is - Answer the brain
stem
a person who suffers hypothyroidism probably has - Answer poor cold tolerance
slow speech and poor memory
where in the central nervous system do the preganglionic neurons of the parasympathetic
nervous system originate? - Answer sacral region of the spinal cord
which of the following statements about the female sexual cycle is FALSE? - Answer the
sympathetic nervous system causes vasodilation of the vagina and clitoris
TRUE:
-it is controlled primarily by a spinal cord reflex
-the parasympathetic nervous system causes lubrication of the vagina
the receptors in a sour taste bud bind _____ which block____ channels. this depolarizes the
membrane because_____ - Answer H+; K+; positive ions continue to leak into the cell but are
prevented from leaking out
a portion of the_____, which must monitor the blood, is not subject to the blood brain barrier -
Answer the hypothalamus
which structure of the brain further manipulates missing visual data to complete the picture of
"reality" as occurs with optical illusion? - Answer cerebral cortex
the function of a second messenger system is to___ - Answer amplify the response of the first
messenger
the type of neurons with axon terminals in the central nervous system are - Answer afferent
neurons and interneurons
information from chemoreceptors in your mouth is sent to the CNS via - Answer a sensory
afferent
