PHYL 142 Mastering A&P Chapter 18 -Solved
Androgens released from the adrenal cortex are responsible for female sex drive. Which
zone of the adrenal cortex is responsible for secreting the androgens? - ANSWER-Zona
reticularis
Brain cells can absorb glucose without insulin stimulation. This makes brain cells
______________. - ANSWER-insulin independent
Common medical problems related to diabetes mellitus include which of the following? -
ANSWER-partial or complete blindness
Damage to alpha cells in the pancreas will lead to a reduction of which hormone? -
ANSWER-Glucagon
Dark-skinned people living in an area with limited exposure to sunlight, such as the
north pole, are more prone to become deficient in this vitamin. - ANSWER-D3
Endocrine secretions from which of the following adrenal regions would increase levels
of sodium ions retained at the kidney? - ANSWER-Zona Glomerulosa
How does calcitriol help in the homeostatic regulation of Ca2+ concentration in the
blood? - ANSWER-Enhanced absorption of Ca2+ by the digestive tract
If a person's thyroid gland is removed, why does it take a week for the signs of
decreased thyroid concentration to appear? - ANSWER-There is a week's supply of
thyroid hormones bound to transport proteins.
If it has been a long time since you have eaten, which of the following things will occur?
- ANSWER-Glucose levels in the blood fall below normal levels.
In seasonally breeding animals where reproduction is dependent on day length,
melatonin from the pineal gland plays an important role. Where and how does melatonin
exert its inhibiting effect to slow down reproductive processes? - ANSWER-
Hypothalamus; reduced GnRH production
Increased amounts of light would inhibit the production of which hormone? - ANSWER-
Melatonin
Individuals susceptible to seasonal affective disorder (SAD) may be prescribed to seek
exposure to bright light for a certain amount of time every day or take selective
serotonin reuptake inhibitors (SSRI). The reason behind the treatment is to
_____________. - ANSWER-prevent conversion of serotonin to melatonin, and
increase serotonin concentration at the synaptic junctions
Androgens released from the adrenal cortex are responsible for female sex drive. Which
zone of the adrenal cortex is responsible for secreting the androgens? - ANSWER-Zona
reticularis
Brain cells can absorb glucose without insulin stimulation. This makes brain cells
______________. - ANSWER-insulin independent
Common medical problems related to diabetes mellitus include which of the following? -
ANSWER-partial or complete blindness
Damage to alpha cells in the pancreas will lead to a reduction of which hormone? -
ANSWER-Glucagon
Dark-skinned people living in an area with limited exposure to sunlight, such as the
north pole, are more prone to become deficient in this vitamin. - ANSWER-D3
Endocrine secretions from which of the following adrenal regions would increase levels
of sodium ions retained at the kidney? - ANSWER-Zona Glomerulosa
How does calcitriol help in the homeostatic regulation of Ca2+ concentration in the
blood? - ANSWER-Enhanced absorption of Ca2+ by the digestive tract
If a person's thyroid gland is removed, why does it take a week for the signs of
decreased thyroid concentration to appear? - ANSWER-There is a week's supply of
thyroid hormones bound to transport proteins.
If it has been a long time since you have eaten, which of the following things will occur?
- ANSWER-Glucose levels in the blood fall below normal levels.
In seasonally breeding animals where reproduction is dependent on day length,
melatonin from the pineal gland plays an important role. Where and how does melatonin
exert its inhibiting effect to slow down reproductive processes? - ANSWER-
Hypothalamus; reduced GnRH production
Increased amounts of light would inhibit the production of which hormone? - ANSWER-
Melatonin
Individuals susceptible to seasonal affective disorder (SAD) may be prescribed to seek
exposure to bright light for a certain amount of time every day or take selective
serotonin reuptake inhibitors (SSRI). The reason behind the treatment is to
_____________. - ANSWER-prevent conversion of serotonin to melatonin, and
increase serotonin concentration at the synaptic junctions