A cerebrospinal specimen was cultured for bacterial microbes and tested for specific bacterial
antigens by latex agglutination. The latex agglutination was positive for Neisseria meningitidis
antigen but no organisms grew from the culture
Which of the following could best explain this?
A) The specimen was filtered prior to bacterial antigen testing.
B) The specimen only contained nonviable organisms.
C) The specimen was centrifuged prior to bacterial antigen testing.
D) The specimen was heated prior to bacterial antigen testing.
E) All of the above.
B
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Daily physical activity and aerobic exercise help control most of the major risk factors that lead to heart disease by
a. increasing blood lipids and triglycerides. b. improving low-density lipoprotein cholesterol. c. increasing cardiorespiratory endurance. d. increasing low-grade (hidden) inflammation.
Which term does not refer to an abnormal color of the skin?
A) cyanosis B) urticaria C) jaundice D) erythema
The chronic, long-term, and consistent taking of a drug for a reason other than the intended use is called ________.
A. drug misuse B. drug abuse C. addiction D. drug use
A healthy way to deal with anger is to
A) count to ten to calm yourself. B) distract yourself with an activity you enjoy. C) avoid the people who make you angry. D) express it assertively.