lab 6 quiz- endocrine system
which hormone is an immunosuppressive and anti-inflammatory agent a. thyroid hormone b. cortisol c. thymus gland d. melatonin
b
how would castration affect LH function in males? a. increase b. decrease c. no change
c
in the mystery hormone experiment, changes between the control values and the values of the unknown are absolute if they are > than: a. 5% b. 10% c. 20% d. 25%
c
the _______ is called the master gland: a. hypothalamus b. posterior pituitary gland c. anterior pituitary d. thyroid
c
what was the correct equation to calculate for the unknown hormone? a. [(unknown-control)/unknown] x 100% b. [(control-unknown)/control] x 100% c. [(unknown-control)/control] x 100 % d. [(control-unknown)/unknown] x 100 %
c
_________ is the removal of the testes to eliminate testosterone
castration
the release of CRH is regulated by negative feedback, _______, and _______
circadian rhythms, stress
defective metabolism, mental confusion, decreased ability to adapt to stress are sx of ____________ a. hyperthyroidism b. hypothyroidism c. hypercortisolism d. hypocortisolism
d (hypocortisolism)
excess cortisol will negatively feedback on a. hypothalamic release of CRH b. anterior pituitary release of ACTH c. cortisol release from the adrenal gland d. a and b e. all
e
excess testosterone will negatively feedback on a. hypothalamic release of GnRH b. anterior pituitary release of LH c. testosterone release from the testes d. a and b e. all
e
excess thyroid hormone inhibits the activity of: A. hypothalamus b. anterior pituitary c. thyroid gland d. a and b e. a, b, and c
e
the most common cause of hyperthyroidism is ________
grave's disease
Cushing's syndrome is caused by (hypersecretion/hyposecretion) of ________
hypersecretion , cortisol
increased BMR, warmth, nervousness, and goiter are common sx of ____________
hyperthyroidism.
increase in size of the glands and tissues due to continuous activation:___________
hypertrophy
the command center for the endocrine system is the ________
hypothalamus
low bmr, decreased appetite, abnormal CNS development, cold intolerance are common sx of _______
hypothyroidism
excess testosterone will cause an _____ in muscle/bone mass, body hair, and a ____ voice
increase, deep
LH secreted from the anterior pituitary travels to ________ cells in the testes, causing them to release __________
leydig, testosterone
the hypothalamus synthesizes oxytocin and ADH, which travel down to the ________ pituitary gland, where they are released into the blood
posterior
testosterone will cause the growth and maintenance of the _________ gland and _______ vesicles
prostate, seminal
______________ is the primary male hormone responsible for development of male reproductive organs and secondary sex characteristics
testosterone
male pattern baldness and acne are side effects of increased _______ secretion
testosterone
excess cortisol causes the _______ gland to shrink
thymus (immune system organ)
Choose +, -, or NC if a rat is injected with TRH, the pituitary gland will ______, the thyroid gland will ______, and body weight will _______
+, +, -
if a rat is injected with excess LH (put -, +, or NC): 1. Pituitary gland will _______ 2. testes will ________ 3. prostate gland will ________ 4. seminal vesicle will __________ 5. weight will __________
-, +, +, +, +
Choose +, -, or NC if a rat is injected with TSH, the pituitary gland will ______, the thyroid gland will ______, and body weight will _______
-, +, -
if a rat is injected with excess ACTH (put -, +, or NC): 1. Pituitary gland will _______ 2. adrenal gland will ________ 3. thymus gland will ________ 4. weight will __________
-, +, -, -
if a rat is injected with excess Cortisol (put -, +, or NC): 1. Pituitary gland will _______ 2. adrenal gland will ________ 3. thymus gland will ________ 4. weight will __________
-, -, -, -
if a rat is injected with excess testosterone (put -, +, or NC): 1. Pituitary gland will _______ 2. testes will ________ 3. prostate gland will ________ 4. seminal vesicle will __________ 5. weight will __________
-, -,+, +, +
if a castrated rat is injected with excess testosterone (put -, +, or NC): 1. Pituitary gland will _______ 2. testes will ________ 3. prostate gland will ________ 4. seminal vesicle will __________ 5. weight will __________
-, nc, +, +,+
in regulation of cortisol: _________ is released from the anterior pituitary in response to _______ secreted from the hypothalamus
ACTH, CRH
The symptom's of _________ include personality changes, HTN, osteoporosis, weight loss
Cushing's syndrome (hypercortisolism)
Testosterone regulation: hypothalamic stimulation causes the release of ________ to trigger the anterior pituitary to release ___________
GnRH, LH
The following are fxn of the hormone _________ --increase BMR --heat production --growth rate of body tissues --CNS development
TH
regulation of thyroid hormone secretion. 1. hypothalamus releases ________ 2. anterior pituitary produced _______ 3. hormone travels to _______ gland to produce/release ________
TRH, TSH, thyroid, TH
ACTH stimulates the _________ glands to release ________
adrenal, cortisol
testosterone fx in male and females: 1. muscle mass increase __________(anabolic/catabolic?) 2. increased _________ 3. help to build ________
anabolic, sex drive, bone
the hypothalamic-pituitary portal system connects the hypothalamus to the ___________ pituitary gland
anterior
the hypothalamus regulates _______ pituitary gland through secretion of tropic hormones.
anterior
decrease in size of the glands and tissues due to continual inhibition: ____________
atrophy