A simple goiter can be prevented by
Question 1A simple goiter can be prevented by
surgery to remove the thyroid gland.
increasing intake of iodine in the diet.
removal of the pituitary.
administration of ACTH.
administration of insulin.
Question 2In the following pairs, which lists the first messenger followed by a second messenger?
TSH; thyroxin
peptide hormone; cAMP
ACTH; cortisol
insulin; glucagon
glucose; insulin
Question 3Oversecretion of thyroid hormone results in
Cushing syndrome.
a simple goiter.
Addison disease.
acromegaly.
Graves disease.
Question 4Too much urine indicates
an imbalance between the ADH and ACTH levels.
too much ACTH.
too little ADH.
too much ADH.
too little ACTH.
Question 5What is “tetany”?
continuous muscle contractions from low blood calcium
the random contractions of fibers in a muscle that keep a person upright
ultimate muscle fatigue where the oxygen debt exceeds all ATP available
continuous muscle contractions due to high blood calcium
inability to function caused by low blood sugar due to diabetes
Question 6Which is NOT a association for hormonal disorders?
pituitary dwarf—too little GH produced during childhood
Cushing syndrome—oversecretion of ACTH due to an adrenal cortex tumor
diabetes—either the pancreas produces too much insulin or liver and muscle cells have too many receptors
acromegaly—overproduction of GH in adult
goiter—thyroid is unable to produce thyroxine due to too little iodine in diet
Question 7Which of the following hormones is considered a glucocorticoid?
aldosterone
cortisol
thyroxin
parathyroid hormone
insulin
Question 8Which statement is NOT about PTH?
When calcium level rises, PTH secretion is inhibited.
PTH decreases the activity of osteoclasts.
PTH stimulates calcium absorption from the gut.
When calcium level lowers, PTH secretion is stimulated.
PTH has the opposite effect of calcitonin.
Question 9Which statement is about the location of adrenal glands in the body?
The adrenal glands sit on the superior surface of the thyroid.
The adrenal glands sit on the lateral surface of the kidneys.
The adrenal glands sit on the superior surface of the kidneys.
The adrenal glands sit on the lateral surface of the thyroid.
The adrenal glands sit on the inferior surface of the kidneys.
Question 10Which structure is NOT stimulated by the anterior pituitary?
testes and ovaries
adrenal cortex
mammary glands
thyroid
adrenal medulla
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