The embryonic feature that gives rise to the anterior and lateral horns of gray matter is the ________ plate.
A. basal
B. alar
C. posterior
D. anterior
E. ulnar
Answer: A
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Which of the below tissues provides the functions of the inner layer of the conducting organs?
a) stratified squamous epithelium with keratin b) ciliated pseudostratified columnar epithelium with goblet cells c) ciliated cuboidal epithelium with goblet cells d) transitional epithelium with cilia e) columnar connective tissue with goblet cells
After causing vibrations of the maleus, sound waves pass (in sequence) through the
A. stapes, round window, scala externa perilymph, scala media endolymph, and oval window. B. incus, stapes, oval window, scala vestibuli perilymph, and cochlear duct endolymph. C. oval window, scala tympani perilymph, scala vestibuli endolymph, and spiral organ. D. incus, stapes, oval window, scala tympani endolymph, scala vestibuli, and helicotrema. E. stapes, incus, round window, scala media perilymph, and scala vestibuli endolymph.
Which of the following pairs have NO relationship?
a. Secondary active transport and cotransport carriers. b. Symporters and cotransport carriers. c. Na+-K+ pump and ouabain. d. Caveolae and cell transport. e. Osmosis and carrier mediated transport.
The vitamin that prevents breakdown of vitamin A and fatty acids is vitamin
A) A. B) B. C) C. D) D. E) E.