Of the following, the most common cause of damage to the hair cells of the inner ear is
A. excessive noise.
B. swimmer's ear.
C. wax buildup.
D. punctured eardrum.
Answer: A
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The nurse at a day care center is explaining to the day care staff that primary prevention is important when using household chemicals with children in the building. Which of the following is the BEST piece of advice concerning chemical products?
a. Never transfer poisonous substances to unlabeled containers of food such as milk or soda bottles. b. Mix chemicals in plastic containers. c. Keep all poisonous chemicals on the same shelf. d. Tell the children not to touch containers with chemical substances.
Which of the following statements regarding heart valves is NOT true?
a. They are flaplike structures. b. There are four valves in the heart. c. They prevent backflow of blood. d. They must remain tightly closed in order to work properly.
The term ____________________ means taken into the body or administered in a manner other than through the digestive tract
Fill in the blank(s) with correct word
Racism is a stressor that challenges minorities and can have negative health effects.
Answer the following statement true (T) or false (F)