Week 8 - Endocrine Flashcards
Aldosterone ________.
Select one:
a. is secreted by the neurohypophysis
b. functions to increase sodium reabsorption
c. presence increases potassium concentration in the blood
d. production is greatly influenced by ACTH
b
Gluco-neo-genesis (formation of new glucose molecules from non-carbohydrate sources) occurs in the liver due to the action of ________.
Select one:
a. aldosterone
b. insulin
c. secretin
d. cortisol
d
The most important regulator of electrolyte concentrations in extracellular fluids is \_\_\_\_\_\_\_\_. Select one: a. insulin b. aldosterone c. glucagon d. cortisol
b
When it becomes necessary to enlist the fight-or-flight response, a hormone that is released during the alarm phase of the general adaptation syndrome is ________.
Select one:
a. estrogen
b. adrenaline
c. thyroid
d. renin
b
ADH ________.
Select one:
a. increases urine production
b. promotes dehydration
c. is produced in the adenohypophysis
d. is inhibited by alcohol
d
ACTH ________.
Select one:
a. is secreted by the posterior pituitary
b. is secreted by the anterior pituitary
c. secreted by the adrenal medulla
d. secreted by the pancreas
b
Which of the following is not a category of endocrine gland stimulus?
Select one:
a. enzyme
b. humoral (relating to body fluids and/or immune response)
c. neural
d. hormonal
a
Mineralocorticoid is to aldosterone as glucocorticoid is to ________.
Select one:
a. testosterone
b. estrogen
c. cortisol
d. adrenaline
c
The major targets of growth hormone are \_\_\_\_\_\_\_\_. Select one: a. the blood vessels b. the adrenal glands c. the liver d. bones and skeletal muscles
d
The parathyroid glands maintain adequate levels of blood calcium. This is accomplished through ________.
Select one:
a. blocking the action of growth hormone
b. targeting the bone and activating osteoclasts so that calcium will be released
c. targeting the osteoblasts so that calcium will be released
d. slowing the activity of tissues that require calcium for activity
b
Growth hormone:
Select one:
a. promotes long bone growth during formative years
b. secretion results in a decrease in muscle mass
c. is also called somatostatin
d. is regulated by humoral mechanisms
a
The posterior pituitary gland secretes
Select one:
a. TSH
b. FSH
c. ADH
d. ACTH
c
Cells of the adrenal cortex produce
Select one:
a. aldosterone
b. adrenaline
c. insulin
d. ACTH
a
The hormone which increases the reabsorption of sodium ions and water from the urine is
Select one:
a. insulin
b. cortisol
c. aldosterone
d. adrenaline
c
The enzyme renin is responsible for the activation of
Select one:
a. erythropoetin
b. cortisol
c. angiotensin
d. adrenaline
c
Insulin, is synthesised by the beta cells of the pancreas. This hormone is released:
Select one:
a. when the body’s glucose level drops
b. when the body’s glucose level rise
c. in excessive amounts in obese people.
d. in response to severe physical stress (i.e. - a 25 km run)
b
The thyroid hormone contains the mineral
Select one:
a. iodine
b. potassium
c. sodium
d. iron
a
Which of the following is not a hormone from the anterior pituitary?
Select one:
a. ADH
b. TSH
c. growth hormone
d. ACTH
a
When blood glucose levels fall
Select one:
a. peripheral cells take up less glucose
b. insulin is secreted
c. glucagon is released
d. protein synthesis decreases
c
The islets of Langerhans produces hormones in which organs?
Select one:
a. kidney
b. liver
c. pancreas
d. heart
c
