Endocrine Quiz
1.
2.
3.
Hormones that stimulate other endocrine glands are called
a. tropic hormones
b.
c.
d.
hormone precursors
synergist hormones
abiotic hormones
a.
b.
has its most noticeable effect on the hypothalamus
stimulates thyroid follicles to release thyroxine
c.
d.
is a precursor to thyroxine
is manufactured by cells of the hypothalamus
TSH
Which endocrine gland releases hormones into the blood that enhance and prolong the fight or flight response of the sympathetic
nervous system?
a. adrenal cortex
b. posterior pituitary
c.
d.
4.
5.
6.
Which of the following is (are) needed for thyroxine production?
a. a. the amino acid tyrosine
b.
c.
b. iodine
c. cholesterol
d.
d. Both a and b
The release of hormones by the anterior pituitary is controlled by
a.
b.
the posterior pituitary
direct neural stimulation of the hypothalamus
c.
d.
releasing and inhibiting hormones from the hypothalamus
cyclic AMP from the hypothalamus
What raises calcium levels in the blood?
a. ADH
b.
c.
d.
7.
8.
parathyroid hormone (PTH)
thyrocalcitonin
aldosterone
Which endocrine gland produces iodine containing hormones?
a.
b.
hypothalamus
adrenal
c.
d.
thyroid
pancreas
All of the following hormones either have a glucose sparing effect or help to raise blood glucose level except
a. glucagon
b.
c.
d.
9.
anterior pituitary
adrenal medulla
insulin
epinephrine
cortisol
Fight or flight responses are attributed to the sudden release of which hormone?
a.
b.
c.
insulin
aldosterone
cortisol
d.
epinephrine
10. In each case, the hormone listed is correctly paired with an organ it acts on except
11.
a.
b.
prolactin - uterus
FSH - ovary
c.
d.
ACTH - adrenal cortex
ADH - kidney
Cretinism is caused by hyposecretion of which hormone in pre-adolescent children?
a. parathyroid hormone (PTH)
b.
c.
thyroxine
aldosterone
d.
growth hormone (GH)
12. If the anterior pituitary secretes inadequate amounts of growth hormone (GH) during childhood, the result may be
a.
b.
cretinism
acromegaly
c.
d.
dwarfism
Addison’s disease
13. At the veterinary clinic, Rufus (your cat) has his blood tested for feline parvirus as well as for a certain hormone, but neither the
virus nor the hormone is present. Tasha, a pitbull terrier, breaks away from her owner and runs into the examination room. Your cat
reacts, back arched, hair on end. If a sample of blood were taken now, which hormone would it show?
a. growth hormone (GH)
b. epinephrine
c.
d.
insulin
thyroxine
14. Which of the following is NOT true about a steroid hormone?
a. it catalyzes a reaction that produces a second messenger
b.
c.
it binds to a receptor protein in the nucleus
it travels in the blood to specific target cells
d.
it activates genes which leads to synthesis of new proteins
15. A hormone causing a fall in blood plasma Ca++ ion concentrations is
a.
b.
aldosterone
parathyroid hormone (PTH)
c.
d.
thyroxine
thyrocalcitonin
16. Which of the following is a condition associated with the hypersecretion of growth hormone in an adult?
a. dwarfism
b.
c.
diabetes mellitus
diabetes insipidus
d.
acromegaly
17. The hormone directly responsible for the development of the male secondary sexual characteristics is
a.
b.
FSH
progesterone
c.
d.
testosterone
estrogen
18. What does oxytocin stimulate?
a. maturation of the egg
b.
c.
d.
milk secretion
relaxation of the uterus
estrogen secretion
19. Which hormone is thought to act as a sleep trigger and may be the key to seasonal mood changes?
a.
b.
c.
thyroxine
melatonin
epinephrine
d.
growth hormone
20. The hormones oxytocin and ADH
a. are functionally tropic hormones from the anterior pituitary
b.
c.
d.
are produced by cells in the posterior pituitary
are produced by neurosecretory cells in the hypothalamus
are stored in the hypothalamus