In the word obstructive, as used in chronic obstructive pulmonary disease (COPD), the combining form obstruct/o- means ________
A) "blocked by a barrier"
B) "congestion"
C) "stop the flow of"
D) "without movement"
A
Explanation: A) Correct!
B) Obstruct/o- does not mean this.
C) Obstruct/o- does not mean this.
D) Obstruct/o- does not mean this.
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A. Those with the slow-metabolizing CYP2A6 enzyme may have an easier time quitting successfully. B. Individuals with fast-metabolizing CYP2A6 are more likely to try cigarettes for the first time. C. The pleasurable results of nicotine are enhanced in individuals with slow-metabolizing CYP2A6 enzyme. D. Individuals with slow-metabolizing CYP2A6 are less likely to feel sick when they first use nicotine.
Pubic lice are difficult to transmit from person to person.
Answer the following statement true (T) or false (F)
After a smoker quits, how many years does it take for health risks to approach those of a nonsmoker?
A. 1 to 2 B. 3 to 5 C. 5 to 10 D. 20 E. The health risk never decreases.
When a cyclist rounds a curve, where does centripetal force act?
A. on the ground B. on the tires of the cycle C. on the cycle's center of gravity D. on the cyclist's center of gravity