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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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.
What structure cushions the kidney from traumatic blows or jostling?
A) Renal fascia B) Adipose capsule C) Renal capsule D) Hilum