Which type of innervation causes the heart rate to increase?
A. Parasympathetic
B. Sympathetic
Answer: B
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The total volume of blood in the body of a 76-kg man is approximately ________ liters
A) 10 B) 6 to 8 C) 5.3 D) 4.4 E) 3.8
Large clusters of lymph nodes are found near the body surface in all of the following areas except the:
A. axillary region. B. popliteal region. C. inguinal region. D. cervical region.
Glucose is a
A. polar molecule, and therefore it dissolves readily in plasma. B. polar molecule, and therefore it requires a transporter in the blood. C. nonpolar molecule, and therefore it dissolves readily in plasma. D. nonpolar molecule, and therefore it requires a transporter in the blood.
Interferon production is stimulated by ________.
A. degranulation of basophils B. antigen-presenting cells C. the complement cascade D. a viral infection E. inflammation