CME Questions

Which of the following is correct?

a.Salmonella entericaserotype Schwarzengrund is commonly isolated from patients in the United States.

b. 4.7% of Salmonella isolates in the United States in 1998 were resistant to fluoroquinolone antibiotics.

c. 4.7% of Salmonella isolates in the Philippines in 1998 were resistant to fluoroquinolone antibiotics.

Which of the following is correct?

a. TNF binds to 3 separate receptors on the cell surface.

b. The use of infliximab is supected to be associated with an increased risk of active tuberculosis.

c. TNF blockade has been shown to be associated with significantly improved survival in patients with septic shock.

d. Infliximab is a chimeric form of TNF receptor while etanercept is a monoclonal antibody directed against TNF.

Which of the following is correct?

a. Cryptosporidiosis may be contracted as the result of swimming in a chlorinated fresh water pool.

b. In the CDC study of "fecal accidents," Cryptosporidium was readily found in the formed stools submitted for study.

c. Cryptosporidium is exquisitely susceptible to free chlorine.

d. The large size of Cryptosporidium oocysts makes it readily removable by pool filtration systems.

In Bertout et al’s study of aspergillosis, a combination of typing methods proved more useful than a single method.

a. True

b. False