Chapter 17
Which of the following statements about the thyroid gland is true
"all of the above" anterior to the trachea & inferior to larynx
How many hormones are produced by the posterior pituitary
0
A small molecule binds to a G protein, preventing its activation. What direct effect will this have on signaling that involved cAMP
Adenylyl cylase will not be activated
Which of the following hormones contributes to the regulation of the body's fluid and electrolyte balance
Antiduretie hormone
Which of the following is an anterior pituitary hormone
TSH
The secretion of thyroid hormones is controlled by
TSH from the anterior pituitary gland
Iodide ions cross from the bloodstream into follicle cells via
active transport
The walls of the atria produce which hormone
atrial natriuretic peptide
Athletes may take synthetic EPO to boost their
blood oxygen levels
What secretory cell type is found in the adrenal medulla
chromatin cells
In the elderly, decreased thyroid function causes
decreased basal metabolic rate
Hormones produced by the thymus play a role in the
development of "T" cells
The development of a goiter indicates that
excessive accumulation of colloid in thyroid follicles
the production of melatonin is inhibited by
exposure to bright light
Which of the following can result from hyperparathyroidism
fractures
If an autoimmune disorder targets the alpha cells, production of which hormone would be directly affected?
glucagon
Cushing's diseases is a disorder caused by
high levels of cortisol
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
Which of the following statements is true about insulin
insulin facilities the movement of intracellular glucose transporters to the cell membrane
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 feedback
The anterior pituitary gland develops from which embryonic germ layer
oral ectoderm
Chemical signaling that affects neighboring is called
paracrine
What cells secrete melatonin
pinealocytes
the function of the placement hormone human placental lactose (hPL) is to
prepare the breasts for lactation
Which of the following responses is not part of the flight-or-fight response
pupil dilation, increased oxygen to lungs, suppressed digestion
Endocrine glands
secrete chemical messengers that travel through the bloodstream
The gonads produce what class of hormones
steroid hormones
When blood calcium levels are low, PTH stimulates
the activity of osteoclasts
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
