A high count of which of the white blood cells shown in the figure may indicate parasitic infection or autoimmune disease?
a) A
b) B
c) C
d) D
e) E
b
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Which system contains short preganglionic axons that branch extensively?
A. Parasympathetic nervous system B. Somatic nervous system C. Sympathetic nervous system
Describe the roles of interleukins, kinins, and complement in immunity. How does interleukin-1 mediate the immune response?
What will be an ideal response?
Which of these ions have ligand-gated channels in the plasma membrane of nerve and muscle cells?
A) Cl- ions B) K+ ions C) Na+ ions D) Ca2+ ions E) all of these
Which statement comparing aerobic and anaerobic respiration is false?
A. Aerobic respiration requires oxygen while anaerobic respiration does not. B. Aerobic respiration takes longer than anaerobic respiration. C. Anaerobic respiration produces lactic acid while aerobic respiration produces carbon dioxide. D. Anaerobic respiration produces more ATP than aerobic respiration.