Acquired immunity results from a(n):
a. Congenital defect
b. Contagion
c. Hereditary trait
d Inoculation event
Answer: b. Contagion
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The function of the platelet plug is to block the blood vessel so that blood cannot flow through it.
Answer the following statement true (T) or false (F)
Which of the following describes the excitatory postsynaptic potential?
A) moves membrane potential away from threshold B) opens K+ or Cl- channels C) short distance depolarization D) short distance hyperpolarization
Which of the following transport processes requires the energy of ATP to move substances across the plasma membrane?
A. Osmosis B. Active transport C. Diffusion D. Filtration E. Facilitated diffusion
A 45-year-old woman has a blood pressure of 140/90 mm Hg. Her doctor recommends a low-salt diet. What would you predict her serum [Na+] and ECF volume would be compared with their values on her previous diet?
(Note: Assume she has reached a new steady state on her new diet.) Serum [Na+] ECF volume A. No change ? B. No change No change C. No change ? D. ? No change E. ? ?