The hormone that is released to enhance the fight-or-flight reaction is
A) epinephrine.
B) oxytocin.
C) prolactin.
D) thyroid hormone.
E) antidiuretic hormone.
A) epinephrine.
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Compare gigantism with acromegaly
A) Gigantism results from an overproduction of growth hormone before puberty, whereas acromegaly results from an overproduction of growth hormone after puberty. B) Gigantism results from an overproduction of growth hormone after puberty, whereas acromegaly results from an overproduction of growth hormone before puberty. C) Gigantism results from an overproduction of growth hormone during fetal bone development, whereas acromegaly results from an overproduction of growth hormone during childhood but before puberty. D) Gigantism results from an overproduction of growth hormone before puberty, whereas acromegaly results from an underproduction of growth hormone before puberty. E) Gigantism results from an overproduction of growth hormone before puberty, whereas acromegaly results from an underproduction of growth hormone after puberty.
Which sequence correctly traces the pathway of aqueous humor in the eye?a: Aqueous humor is secreted by epithelial ciliary cells.b: Aqueous humor is released into the posterior chamber.c: Aqueous humor is drained into the scleral venous sinus.d: Aqueous humor washes over the lens and then passes through the pupil into the anterior chamber.
A. a, c, b, d B. b, a, c, d C. d, a, c, b D. a, b, c, d E. a, b, d, c
________ are short, membrane-attached projections containing microtubules that occur in large numbers on exposed membrane surfaces.
Fill in the blank(s) with the appropriate word(s).
Select the correct statement about lymphoid tissue.
A) Once a lymphocyte enters the lymphoid tissue, it resides there permanently. B) Lymphoid macrophages secrete antibodies into the blood. C) Lymphoid tissue is predominantly reticular connective tissue. D) T lymphocytes act by ingesting foreign substances.