Errors of ________ occur when the eyeball is either too long or too short, the lens loses its elasticity, or the lens or cornea has an irregular curvature.

A. retraction
B. refraction
C. renunciation
D. retrusion


Answer: B

Health Professions

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Which reference source includes information on over-the-counter drugs, herbal products, and homeopathic remedies?

A) Drug Facts and Comparisons B) Handbook of Nonprescription Drugs C) Handbook on Injectable Drugs D) USP-NF

Health Professions

If a patient with chest pain takes a daily aspirin, your medical director wants the EMT to contact an emergency department physician first before administering additional aspirin. The act of contacting the emergency department physician for permission to administer additional aspirin is an example of:

A) quality improvement. B) on-line medical direction. C) off-line medical direction. D) indirect medical control.

Health Professions

Describe a mast cell tumor

Health Professions

Clotting is of the utmost importance in the protection of the body from undue ____________________

Fill in the blank(s) with correct word

Health Professions