________ join with the epithelium of blood vessels to form blood-brain barrier in the brain.
A. Oligodendrocytes
B. Astrocytes
C. Ependymal cells
D. Schwann cells
E. Microglial cells
Answer: B
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Brenda is a 26-year-old female who is being discharged from the hospital after a vaginal delivery of an 8-pound healthy infant. Brenda is instructed by the nurse to eat a diet high in fiber and to drink 8 glasses of water per day to prevent constipation. Explain the role of fiber and water to promote defecation.
What will be an ideal response?
Which of the following is not characteristic of aging at the tissue level?
A. Atherosclerosis develops. B. Rate of red blood cell synthesis declines. C. Injuries heal rapidly and more completely in older people. D. Arterial walls become less elastic. E. Connective tissue experience reduced flexibility and elasticity.
Which is the deepest and innermost layer of the heart wall?
A) parietal layer of the epicardium B) endocardium C) myocardium D) fibrous pericardium E) visceral layer of the epicardium
Which of the following is not true of the adrenal gland?
A. The adrenal medulla secretes epinephrine and norepinephrine. B. All of the hormones of the adrenal cortex are steroids. C. Aldosterone is a mineralocorticoid that is secreted by the adrenal cortex. D. The zona fasciculata is the outermost layer of the cortex. E. All of these are true of the adrenal gland.