BIO 431 CH #18 ENDOCRINE SYSTEM
EXAM QUESTIONS AND ANSWERS
Most hormone regulation is achieved via? - Answer-Negative feedback
Only a few hormones are regulated by? - Answer-Positive feedback
______________ hormone is the most plentiful anterior pituitary hormone. - Answer-
Human growth hormone (HGH)
Thyroid gland hormones functions are (3): - Answer-Increase basal metabolic rate
Maintain normal body temp.
Stimulate protein synthesis
Histologically the adrenal cortex is divided into 3 regions: - Answer-1.) Zona
glomerulosa
2.) Zona fasciculata
3.) Zona reticularis
The zona glomerulosa of the adrenal cortex secretes hormones called
______________ used to regulate __________________. - Answer-Mineral-corticoids,
Mineral homeostasis
The zona fasciculata secretes hormones called _______________ that affect
______________. - Answer-Glucocorticoids, Glucose homeostasis
The zona reticularis secretes weak _____________ (hormones with _____________
effects). - Answer-Androgens, Masculizing
____________ is the major mineralcorticoid secreted by the adrenal gland. It helps
regulate ______________ and ______________ homeostasis. - Answer-Aldosterone,
Sodium, Potassium
_______________ cells secrete epinephrine and norepinephrine both of which are
involved in the _________________ response. - Answer-Chromaffin, fight-or-flight
The pancreatic islets include 4 types of cells that secrete different hormones: - Answer-
Alpha cells - glucagon
Beta cells - insulin
Delta cells - somatostatin
F cells - pancreatic polypeptide
EXAM QUESTIONS AND ANSWERS
Most hormone regulation is achieved via? - Answer-Negative feedback
Only a few hormones are regulated by? - Answer-Positive feedback
______________ hormone is the most plentiful anterior pituitary hormone. - Answer-
Human growth hormone (HGH)
Thyroid gland hormones functions are (3): - Answer-Increase basal metabolic rate
Maintain normal body temp.
Stimulate protein synthesis
Histologically the adrenal cortex is divided into 3 regions: - Answer-1.) Zona
glomerulosa
2.) Zona fasciculata
3.) Zona reticularis
The zona glomerulosa of the adrenal cortex secretes hormones called
______________ used to regulate __________________. - Answer-Mineral-corticoids,
Mineral homeostasis
The zona fasciculata secretes hormones called _______________ that affect
______________. - Answer-Glucocorticoids, Glucose homeostasis
The zona reticularis secretes weak _____________ (hormones with _____________
effects). - Answer-Androgens, Masculizing
____________ is the major mineralcorticoid secreted by the adrenal gland. It helps
regulate ______________ and ______________ homeostasis. - Answer-Aldosterone,
Sodium, Potassium
_______________ cells secrete epinephrine and norepinephrine both of which are
involved in the _________________ response. - Answer-Chromaffin, fight-or-flight
The pancreatic islets include 4 types of cells that secrete different hormones: - Answer-
Alpha cells - glucagon
Beta cells - insulin
Delta cells - somatostatin
F cells - pancreatic polypeptide
