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BIO 117 Quiz 4 Questions with Answers (100% Correct
Answers)
pituitary gland Answer: pea-sized gland inferior to hypothalamus
partitioned into anterior and posterior regions
posterior pituitary Answer: smaller, neural part of pituitary gland that
stores and releases ADH and oxytocin
anterior pituitary Answer: makes and releases hormones under
regulation of the hypothalamus
hypothalamo-hypophyseal portal system Answer: blood vessel that
connect hypothalamus to anterior pituitary
thyroid gland Answer: gland that surrounds the trachea in the neck with
rich vascularization
adrenal medulla Answer: forms inner core of each adrenal gland, red-
brown color due to extensive blood vessels
adrenal cortex Answer: the outer portion of adrenal gland, yellow in
color due to lipids within cell
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, 2
zona glomerulasa Answer: outer cortical layer in which aldosterone
fosters Na+ retention and K+ secretion
zona fasciculata Answer: larger, middle cortical layer in which cortisol
increases blood sugar
zona reticularis Answer: thin, inner cortical layer in which androgens are
made
pancreas Answer: secretes insulin and glucagon into the bloodstream
to help regulate blood glucose levels
pineal gland Answer: small unpaired body in diencephalon that
secretes melatonin at night
parathyroid glands Answer: small structures on posterior surface of
thyroid gland that contain chief and oxyphil cells *
thymus Answer: on top of heart and maturation site for t-lymphocyte
white blood cells
kidney Answer: secretes erythropoietin in response to Lowe blood
oxygen
liver Answer: secretes insulin-like growth factors and angiotensinogen
© 2025 All rights reserved
BIO 117 Quiz 4 Questions with Answers (100% Correct
Answers)
pituitary gland Answer: pea-sized gland inferior to hypothalamus
partitioned into anterior and posterior regions
posterior pituitary Answer: smaller, neural part of pituitary gland that
stores and releases ADH and oxytocin
anterior pituitary Answer: makes and releases hormones under
regulation of the hypothalamus
hypothalamo-hypophyseal portal system Answer: blood vessel that
connect hypothalamus to anterior pituitary
thyroid gland Answer: gland that surrounds the trachea in the neck with
rich vascularization
adrenal medulla Answer: forms inner core of each adrenal gland, red-
brown color due to extensive blood vessels
adrenal cortex Answer: the outer portion of adrenal gland, yellow in
color due to lipids within cell
© 2025 All rights reserved
, 2
zona glomerulasa Answer: outer cortical layer in which aldosterone
fosters Na+ retention and K+ secretion
zona fasciculata Answer: larger, middle cortical layer in which cortisol
increases blood sugar
zona reticularis Answer: thin, inner cortical layer in which androgens are
made
pancreas Answer: secretes insulin and glucagon into the bloodstream
to help regulate blood glucose levels
pineal gland Answer: small unpaired body in diencephalon that
secretes melatonin at night
parathyroid glands Answer: small structures on posterior surface of
thyroid gland that contain chief and oxyphil cells *
thymus Answer: on top of heart and maturation site for t-lymphocyte
white blood cells
kidney Answer: secretes erythropoietin in response to Lowe blood
oxygen
liver Answer: secretes insulin-like growth factors and angiotensinogen
© 2025 All rights reserved
