Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________.
A) astrocytes
B) oligodendrocytes
C) microglia
D) Schwann cells
A) astrocytes
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Which endocrine gland is small, cone-shaped, and attached to the posterior region of the epithalamus?
A. Hypothalamus B. Pancreas C. Pituitary gland D. Thymus gland E. Pineal gland
The ear and the nasopharynx are connected by the auditory tube, which connects the throat and (the)
A) inner ear. B) external ear. C) middle ear. D) cochlea. E) None of the answers are correct.
What must be present for albinism to occur?
A) heterozygosity B) two dominant alleles C) sex-linked alleles D) two recessive alleles E) polygenic alleles
A stabbing victim sustained a perforation to his large intestine. From the outermost layer to the innermost layer, what is the order in which the knife penetrated his intestine?
A) serosa, muscularis externa, submucosa, mucosa B) serosa, submucosa, muscularis externa, mucosa C) mucosa, submucosa, muscularis externa, serosa D) submucosa, muscularis externa, serosa, mucosa E) mucosa, muscularis external, submucosa, serosa