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NAU BIO202 Exam 1 with Complete Solutions
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NAU BIO202 Exam 1 with Complete Solutions
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NAU BIO202 Exam 1 with CompleteSolutions
parathyroid hormone (PTH) Correct Ans-increases blood Ca2+ involved in bone maintenance
decreased urinary excretion of Ca2+
Thymus Correct Ans-An immune organ located near the heart. The thymus is the site of T
cell maturation and is larger in children than adolescents.
adrenal glands Correct Ans-a pair of endocrine glands that sit just above the kidneys and
secrete hormones (epinephrine and norepinephrine) that help arouse the body in times of
stress.
adrenal cortex Correct Ans-outer section of each adrenal gland; secretes cortisol,
aldosterone, and sex hormones
adrenal medulla Correct Ans-epinephrine and norepinephrine secreted directly into the
bloodstream when needed
adrenal cortex hormones Correct Ans-zona glomerulosa, zona fasciculata, zona reticularis
zona glomerulosa Correct Ans-mineralocorticoids (aldosterone)
, used for electrolyte balance
zona fasciculata Correct Ans-glucocorticoids (cortisol, corticosterone)
increase blood glucose levels, breakdown of proteins and fats
inhibit immune responses
zona reticularis Correct Ans-androgens (testosterone, dihydrotestosterone,
androstenedione)
higher levels in males that females, enhance muscle mass and cell growth
development of secondary sex chara.
Pancreas Correct Ans-exocrine cells secrete buffers and digestive enzymes; endocrine cells
secrete hormones
Glucagon Correct Ans-A protein hormone secreted by alpha pancreatic endocrine islets that
raises blood glucose levels; an antagonistic hormone to insulin
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