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