Albinism in which there is an absence of melanin pigment would affect the individual's ability to
A.
discern colors.
B.
have high levels of visual acuity and prevent scattering of light inside the eye.
C.
protect the optic nerves from damage.
D.
remove wastes from the eye.
E.
see at all, as it always results in blindness.
B
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The stimuli that trigger the release of ADH are
A. high blood pressure, high blood volume, and high blood osmolarity. B. high blood pressure, low blood volume, and low blood osmolarity. C. low blood pressure, low blood volume, and high blood osmolarity. D. low blood pressure, high blood volume, and high blood osmolarity. E. low blood pressure, low blood volume, and low blood osmolarity.
Which of the following epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs?
A) simple columnar B) simple squamous C) simple cuboidal D) pseudostratified columnar
Epithelial tissue tends to be richly innervated and highly regenerative.
Answer the following statement true (T) or false (F)
Action potentials are conducted more rapidly when transmission is
A. from internode to node on a myelinated axon. B. from internode to internode. C. on a small diameter axon. D. on an unmyelinated axon. E. from node to node on a myelinated axon.