Which of the following is an action of the sympathetic nervous system during stress?
A. It increases the ability to respond to situations where physical activity is required.
B. It increases blood flow to the skeletal muscles and viscera.
C. It inhibits blood clotting.
D. It decreases ventilation of the lungs to save oxygen.
E. It increases glycogen synthesis in the liver.
A
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On axial images, the dip of the meningeal layer of the dura mater in the longitudinal fissure is identified as the
A. falx cerebri. B. falx cerebelli. C. tentorium cerebelli. D. diaphragma sella
Which of the cells in the diagram contains structural adaptations that increase surface area for absorption?
1 B 2 C 3 D 4 E a) 3 and 4 b) 1 only c) 2 only d) 3 only e) 4 only
Identify the following
Which of the following is NOT a part of the swallowing reflex?
A. The lower esophageal sphincter relaxes. B. The pyloric sphincter relaxes. C. The glottis closes. D. Respiration is inhibited. E. The upper esophageal sphincter relaxes.