Which of the following is most likely to occur when a soldier stands at attention-very still, with legs and spine straight?
A. Increased blood flow to the brain
B. Increased venous return
C. Increased absorption of interstitial fluid by the capillaries of the feet
D. Increased storage of blood in the veins of the feet and legs
E. Decreased pressure in the capillaries of the feet
Answer: D
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An organ that helps break down food but is not part of the tube through which the foodstuffs pass is referred to as a(n)
A. chemically digesting organ. B. accessory digestive organ. C. alimentary canal organ. D. diffuse ingestive structure. E. organ of mastication.
Sheaths of ________ cells often enclose the larger axons outside of the brain and spinal cord.
Fill in the blank(s) with the appropriate word(s).
The dermis contains receptors that detect which of the following sensations? (Check all that apply.)
A. Changes in pressure B. Variations in temperature C. pH differences D. Touch E. Pain
When looking at a ventral view of the sheep brain, which of the cranial nerves can be seen emerging from the floor of the midbrain?
A. Olfactory nerves B. Vagus nerves C. Trigeminal nerves D. Oculomotor nerves E. Facial nerves