Some vaccines can cause the disease they are meant to prevent. How can this happen? 

A. The person's immunity was poor.
B. The person received a defective vaccine.
C. Some vaccines contain the actual organism.
D. It is not really known.


C. Some vaccines contain the actual organism.

Health Professions

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Fish tanks are very ________ for children and adults to watch

a. inviting b. irritating c. upsetting d. stimulating

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What is the process by which aerosol suspension changes over time?

a. Evaporation b. Deposition c. Aging d. Sublimation

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Which of the following is not part of the second layer (choroid)?

A. rods B. pupil C. iris D. lens

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The MOST clinically significant indicator(s) of ischemia in a limb is/are:

A) pulselessness. B) poikilothermia. C) parasthesias. D) pain and pallor.

Health Professions