The air-water syringe is designed to provide ____________
a. air
b. water
c. combination of air and water
d. all of the above
d
RATIONALE: The air-water syringe is designed to provide air, water, or a combination of air and water.
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Who developed an injectable polio vaccine and tested in on nearly 2,000,000 school children?
A) Linus Pauling B) Jonas Salk C) Franklin Roosevelt D) Albert Einstein
Which of the following is not a physical change of aging in the circulatory system?
A) Heart muscles become less efficient at pushing blood into the arteries. B) Blood vessels lose their elasticity and become larger. C) Blood flow to the brain decreases. D) Blood pressure may increase.
Major depression
A) indicates persons have just enough energy to do activities of daily living B) makes normal day-to-day activities difficult C) often means persons' thoughts are centered around/related to self-esteem D) often occurs for no apparent reason
The Haemophilus influenzae type b disease vaccine protects individuals from Hib disease, an infection that can cause ________.
A. measles B. influenza C. meningitis D. hepatitis