Endocrine System Question Preview (ID: 40773)


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This regulates the endocrine activity of the cortex of the adrenal gland.
a) ACTH
b) TSH
c) hGH
d) LH

Hypersecretion of hGH (growth hormone) that occurs after growth of long bones has ended is called:
a) goiter.
b) acromegaly.
c) gigantism.
d) dwarfism.

This adrenal hormone regulates mineral or salt content of the blood.
a) androgens
b) cortisol
c) aldosterone
d) epinepherine

Exophthalmos is a condition associated with Graves’ disease. This condition results from:
a) hyperparathyroidism.
b) hyperthyroidism.
c) hypothyroidism.
d) hypoparathyroidism.

Steroidal and lipid soluble hormones use this mechanism.
a) humoral stimuli
b) second-messenger system
c) neural stimuli
d) direct gene activation

This hormone decreases the blood level of calcium.
a) thyroxine
b) parathormone
c) calcitonin
d) vasopressin

Alcohol inhibits the production of this hormone from the hypothalamus, resulting in more urine production.
a) FSH
b) ACTH
c) ADH
d) oxytocin

This chemical serves as a second messenger with protein (water soluble) hormones.
a) cyclic AMP (cAMP)
b) G protein
c) adenylate cyclase
d) phosphodiesterase

This hormone, which is produced by alpha cells, is an antagonist (has opposite action) of insulin.
a) steroid hormone
b) glucagon
c) corticotropin-releasing hormone
d) glucocorticoid

Which of the following can be symptoms of diabetes mellitus?
a) Excessive urine production (polyuria)
b) Excessive thirst (polydipsia)
c) Excessive eating (polyphagia)
d) All of these

Exocrine glands secrete products into ducts.
a) True
b) False
c)
d)

Excess hormone produces a decrease in number of receptors is down-regulation
a) True
b) False
c)
d)

Human growth hormone:
a) is secreted by the thymus gland
b) prevents urine production
c) promotes growth in long bones and skeletal muscles
d) is produced by the thyroid gland

The pineal gland produces
a) melatonin
b) insulin
c) cortisol
d) estrogen

This hormone increases resistance to stress, increases blood glucose levels and decreases inflammation.
a) PTH
b) LH
c) Melatonin
d) Cortisol

This is needed for the formation of the thyroid hormones.
a) tyrosine
b) thyroglobulin
c) Iodine
d) All of these are needed

The adrenal cortex has how many zones?
a) 1
b) 2
c) 3
d) None of these

The ovaries produce:
a) estrogen and progesterone
b) testosterone
c) melatonin
d) androgens

Under right conditions, this hormone causes milk production and is secreted from this gland. Its target are the breasts.
a) Oxytocin, posterior pituitary gland
b) Prolactin, anterior pituitary gland
c) Luteinizing hormone (LH), anterior pituitary gland
d) Androgens, adrenal cortex

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