Which of the following features is NOT characteristic of the small intestine?
A) Peyer's patches
B) rugae
C) villi
D) circular folds (plicae circulares)
E) lacteals
B
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Dave has diabetes mellitus. Which of the following describes how the disease affects his bodily fluids?
A. He excretes protein in his urine. B. He urinates less than the average person. C. His blood sugar is generally low when untreated. D. His urine is of high osmotic pressure.
Hormones that slow tumor growth are called
A) transferrins. B) tumor necrosis factors. C) interferons. D) radiation agents. E) chemotherapins.
In the testes there are __________ which support, nourish, and regulate the spermatogenic cells of the seminiferous tubules.
A) sperm B) prostate glands C) seminal vesicles D) bulbourethral glands E) sustentacular (Sertoli) cells
What is the primary effect of antidiuretic hormone (ADH, or vasopressin)?
A) sodium retention by the kidneys B) blood glucose regulation C) water retention by the kidneys D) increases urine production by the kidneys