The two most frequent causes of ulcers are

a. Helicobacter pylori and stress.
b. Helicobacter pylori and smoking.
c. Helicobacter pylori and NSAIDs.
d. Helicobacter pylori and alcohol.


c. 90% of ulcers are caused by Helicobacter pylori. The other causative factor (10%) is use of nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin and ibuprofen, which affect the mucosal defenses.

Health Professions

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Which of the following is an abnormal spinal curvature that may appear during childhood and adolescence?

A) Lordosis B) Scoliosis C) Kyphosis D) All of the above

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Building department inspectors are usually sworn (uniformed) personnel

A. True B. False

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The receptionist is often responsible for taking care of office equipment including ________.

A. copiers B. computers C. printers D. All of these

Health Professions

Passive filling of the coronary arteries occurs during:

A. ventricular diastole. B. atrial diastole. C. ventricular systole. D. ventricular contraction.

Health Professions