This is normally a disease of infants and so we inoculate infants in our country. However, because most of us never get a booster shot, we are seeing more cases of this disease in college students and adults. What is this disease?
A. diphtheria
B. whooping cough
C. scarlet fever
D. rheumatic fever
E. shingles
Answer: B. whooping cough
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A normal male marries a color-blind woman. What percent of their female children will be color-blind?
A) 0% B) 25% C) 50% D) 75% E) 100%
Enterobius vermicularis is
A. often fatal in heavy infestations. B. a whipworm. C. common only to the tropics and subtropics. D. an intestinal worm that easily contaminates fingers and fomites. E. All of the choices are correct.
Which interaction is MOST important in enhancing the solubility of macromolecules in water?
A) hydrophobic interactions B) H bonds C) both hydrophobic interaction and nonpolar covalent bonds D) nonpolar covalent bonds E) van der waals forces
Answer the following questions true (T) or false (F)
1. Arteries always carry blood that is oxygen rich. 2. Veins are smaller blood vessels than capillaries. 3. Blood in the pulmonary arteries is moving toward the heart.