A patient with a previously compensated hereditary spherocytosis has a severe drop in hemoglobin after a parvovirus infection. This represents what type of crisis?

a. Megaloblastic
b. Hemolytic
c. Aplastic
d. Anemic

ANS: C
After some viral infections, particularly with parvovirus B19 that invades developing red cells and inhibits their growth, a severe drop in hemoglobin can occur. This is termed an aplastic crisis.

Health Professions

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Which of the following best suggests an esophageal intubation?

A) Color change from purple to yellow with a colorimetric ETCO2 detector B) Free return of air when aspirating with an esophageal detector device C) Gurgling sounds over the epigastrium with each ventilation delivered D) Maintaining a pulse oximetry reading of 80 to 85 percent

Health Professions

By placing one hand on top of your head and the other hand over your abdomen, you are asking a hearing-impaired patient if he or she:

A. is hurt. B. is sick. C. needs help. D. is nauseated.

Health Professions