Atrophy means muscles ________.
A. have increased growth
B. waste away
C. will be scarred
D. develop excessively in childhood
Answer: B
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On the pH scale
A. pH values above 7 are basic (alkaline). B. the lower the whole number on the scale, the greater the H+ concentration. C. a tenfold difference in hydrogen ion concentration separates each whole number. D. All of the answer choices are correct.
A person has severe damage or disease in the upper area of their right lung. Surgery is necessary. The doctor would need to remove
A. the entire right lung. B. the superior lobe of the right lung. C. the apical bronchopulmonary segment of the right lung. D. only the damaged area of the apical bronchopulmonary segment. E. the apical, anterior, and posterior segments of the superior lobe.
During an unforced exhalation/expiration, which would NOT be true?
A. Alveolar pressure is greater than atmospheric pressure. B. Intrapleural pressure is greater than alveolar pressure. C. Intrapleural pressure becomes leess negative. D. The diaphragm relaxes. E. Lung volume decreases.
Vitamin E and vitamin C
A. are needed in RBC production. B. both release free radicals. C. are both antioxidants. D. are required for blood clotting. E. are formed from provitamins.