Refractive errors of the eye cause an inability to focus light effectively on the?
A) ?cornea.
B) ?lens.
C) ?retina.
D) ?iris.
C
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After assisting a patient with the use of an epinephrine auto-injector, you note that the patient's blood pressure has improved. As a knowledgeable EMT, you realize that this has occurred due to epinephrine's ability to:
A) relax the smooth muscle of the blood vessels. B) constrict blood vessels. C) increase the number of circulating red blood cells. D) increase the oxygen-carrying capacity of the red blood cells.
Ringworm can affect all of the following expect:
A) groin. B) tongue. C) scalp. D) feet.
An eye disease in which there is increased pressure within the eyeball that can result in damage to the optic disk is _____
a. glaucoma b. cataracts c. keratitis d. iridocyclitis
Which of the following statements is TRUE of the second stage of syphilis?
A. Spirochetes produce random and localized lesions only in external organs. B. Spirochetes disseminate from the primary lesion throughout the body. C. Syphilis may produce paresis, gummas, altered gait, blindness, or lethal narrowing of the aorta. D. Spirochetes mass and produce a primary lesion, a chancre. E. Chronic destructive lesions damage the cardiac and neurological systems.