Eating improperly prepared puffer fish can kill a person. Which chemical channels does the fish's toxin block?
A) Potassium B) Sodium C) Epinephrine D) Acetylcholine
B
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One of the following is NOT a part of neocerebellum:
A) uvula B) lobulus simplex C) lobulus semilunaris superior D) lobulus biventer E) tonsil
Due to the contraction of smooth muscle in the walls of the dermal blood vessels,
A. body temperature tends to drop in that area. B. body heat is conserved. C. more blood flows to the skin. D. more blood enters into the heart. E. the blood vessels become dilated.
What are the two phases of ventricular systole?
A) left ventricular systole and right ventricular systole B) isovolumetric contraction and ventricular ejection C) isovolumetric relaxation and ventricular ejection D) isovolumetric contraction and ventricular filling E) isovolumetric relaxation and ventricular filling
An increase in blood pressure would:
A. stimulate parasympathetic input to the piloerector muscles of the skin B. inhibit parasympathetic input to the piloerector muscles of the skin C. stimulate parasympathetic input to the heart D. stimulate sympathetic input to arterioles in the skin and muscle E. stimulate sympathetic input to the veins