Which of the following is a respiratory infection that results in coughing fits that can interfere with breathing?

What is the role of an institutional review board (IRB)?

a. Establish guidelines for the method of conducting research b. Verify the results of clinical trials c. Approve and monitor research that involves human subjects d. All of the above

Pityriasis rosea is caused by a:

a. parasite. b. virus. c. bacteria. d. fungus.