Which statement is true of spermatogenesis but not of oogenesis?
A) It involves meiosis.
B) It occurs completely in the gonad.
C) It produces haploid gametes.
D) It is controlled by hormones.
Answer: B
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Cranial nerves III (oculomotor), VII (facial), and IX (glossopharyngeal) supply the entire parasympathetic innervation of the head; however, only the preganglionic fibers lie within these three pairs of cranial nerves
Indicate whether the statement is true or false
Damage to the parotid glands would affect the digestion of which nutrient?
A) glucose B) starches C) proteins D) fats E) nucleic acids
Define hemorrhoids
A) Hemorrhoids are distended veins in the distal portion of the rectum. B) Hemorrhoids are polyps that form in the sigmoid colon. C) Hemorrhoids are ulcers in the large intestine from acidic chyme that was not neutralized. D) Hemorrhoids are pouches in the wall of the colon. E) Hemorrhoids are collections of fat along the serosa of the rectum.
Which vessel is often used to draw blood from a patient?
A. radial vein B. brachial artery C. median cubital vein D. cephalic vein