The fold of skin that covers the tip of the penis is the _________.
A) corpus spongiosum.
B) prepuce.
C) glans penis.
D) corpus cavernosum.
E) penile urethra.
B) prepuce.
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Which of the following muscles adducts and medially rotates the thigh?
A. Gracilis B. Piriformis C. Adductor magnus D. Rectus femoris
The large band of tissue at the posterior ankle is the ________.
Fill in the blank(s) with the appropriate word(s).
What brain structure is considered to be the headquarters for the ANS?
A) thalamus B) hypothalamus C) midbrain D) pons E) medulla oblongata
Assuming you have normal respiratory function at sea level, start holding your breath. Which of the following could be true in 60 seconds?
A. The oxygen-hemoglobin dissociation curve is shifting to the left B. Venous PO2 = 50 mmHg C. Arterial PCO2 = 50 mmHg D. Alveolar PO2 = 105 mmHg