Your skin, after it is exposed to sunlight, will produce which vitamin?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Answer: D
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What structure cushions the kidney from traumatic blows or jostling?
A) Renal fascia B) Adipose capsule C) Renal capsule D) Hilum
Autonomic regulation of skeletal muscle length is provided by the ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is false?
A) A neuron cell membrane is very permeable to K+. B) Na+ is 40 times as concentrated in the ICF as in the ECF. C) The Na+/K+ pump removes 3 Na+ from the cell for every 2 K+ it pumps into the cell. D) The unequal distribution of ions across the cell membrane produces the membrane potential.
Standing on tiptoes is an example of a:
A) first-class lever system. B) second-class lever system. C) third-class lever system. D) lever system demonstrating mechanical disadvantage.