The outermost covering of a myelinated axon is called (the)
A) neurolemma.
B) axolemma.
C) internode.
D) sarcolemma.
E) None of the answers are correct.
A) neurolemma.
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How do epithelial tissues obtain needed nutrients?
A) Blood vessels travel through all the layers of the epithelium to provide nutrients. B) Blood vessels travel through the basal layer of the epithelium to provide nutrients. C) Blood vessels travel through underlying tissues to provide nutrients. D) Epithelial tissue stores nutrients so it has a constant supply. E) Epithelial tissue does not nutrients because it is not living tissue.
What is the maturation process in which spermatids elongate and shed excess cytoplasm?
A) spermiogenesis B) spermatogenesis C) meiosis II D) meiosis I
Given the following structures from the brachial plexus:
1. ventral rami 2. cords 3. divisions 4. branches 5. trunks A) 5,4,1,2,3 B) 1,4,3,2,5 C) 1,5,3,2,4 D) 2,3,5,1,4 E) 1,5,4,2,3
Which of the following is NOT true of farsightedness?
A. A convex lens is used to correct farsightedness. B. It is caused by the eyeball being too long. C. When a person is farsighted, distant objects are clear, but close objects look blurry. D. It is also called hyperopia. E. All of these are true of farsightedness.