Chapter 17 phys review questions
How many hormones are produced by the posterior pituitary?
0
Cushing's disease is a disorder caused by ____.
Abnormally high levels of cortisol
A small molecule binds to a G protein, preventing its activation. What direct effect will this have on signaling that involves cAMP?
Adenylyl cyclase will not be activated.
Iodide ions cross from the bloodstream into follicle cells via ________.
active transport
Which of the following statements about the thyroid gland is true?
all of the above
In the elderly, decreased thyroid function causes ________.
decreased basal metabolic rate
Which of the following can result from hyperparathyroidism?
fractures
If an auto immune disorder targets the alpha cells, production of which hormone would be directly affected
glucagon
What cells secrete melatonin?
pinealocytes
Which of the following hormones contributes to the regulation of the body's fluid and electrolyte balance?
Antidiuretic hormone
Athletes may take synthetic EPO to boost their ____.
Blood oxygen levels
Which of the following statements about insulin is true?
Insulin facilitates the movement of intracellular glucose transporters to the cell membrane.
Endocrine glands...
Secrete chemcial messengers that travel into the bloodstream
The secretion of thyroid hormones is controlled by ________.
TSH from the anterior pituitary
A newly developed pesticide has been observed to bind to an intracellular hormone receptor. If ingested, residue from this pesticide could disrupt levels of _____.
Thyroid hormone
The production of melatonin is inhibited by ________.
exposure to bright light
The end result of the RAAS is to ________.
increase blood pressure
The production of FSH by the anterior pituitary is reduced by which hormone?
inhibin
The adrenal glands are attached superiorly to which organ?
kidneys
The hypothalamus is functionally and anatomically connected to the posterior pituitary lobe by a bridge of ____.
nerve axons
A student is in a car accident, and although not hurt, immediately experiences pupil dilation, increased heart rate, and rapid breathing. What type of endocrine system stimulus did the student receive?
neural
Which of the following responses is not part of the fight or flight response?
reduced mental activity
When blood calcium levels are low, PTH stimulates ________.
the activity of osteoclasts
The development of a goiter indicates that ________.
there is an excessive accumulation of colloid in the thyroid follicles