Which of the following can weaken the body's ability to fight infection?
A. Adequate sleep
B. Proper hygiene habits
C. Exercise
D. Cancer treatment
E. High-protein diet
Answer: D
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An autoimmune disorder of the central nervous system in which the myelin sheath of the nerves is attacked is ________
a. multiple sclerosis b. Hodgkin's disease c. lymphangioma d. sarcoidosis
The owner of an exotic pet store visited his physician complaining of headaches, fever, and body aches. The physician noticed a rash with pocks and swollen lymph nodes. The potential pathogen is
A) chickenpox. B) monkeypox. C) Salmonella species. D) Edwardsiella tarda.
A positive urine catalase test indicates the potential presence of
A) red blood cells. B) bacteria. C) white blood cells. D) all of the above. E) A and B
An arterial puncture is more likely to result in a hematoma than a venipuncture is because of:
a. higher pressure in the arteries b. the lack of coagulation factors c. the lack of elastic tissue in the arterial wall d. the anticoagulant in the arterial syringe