MBI 111 Microorganisms and Human Disease

Sample Questions for Exam 3 (Thursday, December 17, 10:15-12:15, room 112 PSN)

MULTIPLE CHOICE: Choose the letter corresponding to the ONE answer for each question.

1. Which statement about diagnosis and treatment of ulcers is true?
   a. Drugs that reduce stomach acid production, when given by themselves, are very effectve at curing ulcers.
   b. A breath test for ulcer diagnosis detects by-products of enzymatic activity of Helicobacter pylori.
   c. Although Helicobacter pylori causes ulcers in many patients, antibiotics are of no help in treating this disease.
   
   
2. Which statement about gastrointestinal diseases is true?
   a. Because of our very safe water supplies, giardiasis is the least commonly detected protozoan disease in the US.
   b. Enteritis can be caused by ingestion of a number of different bacteria, viruses and protozoa, and causes abdominal pain as a result of intestinal damage.
   c. One of the problems in preventing both giardiasis and cryptosporidiosis is that neither Giardia nor Cryptosporidium is readily killed by chlorine.
   
   
3. Which statement about genitourinary infections is true?
   a. The lesions typical of all three stages of syphilis occuronly on the genitalia, not on (or in) any other part of the body.
   b. Urinary cystitis in women is associated with sexual activity, and it is considered to be a STD.
   c. In both men and women Chlamydia causes urethral infections; it may result in PID, but not cervical infections, in women.

MATCHING MULTIPLE CHOICE: Choose the BEST answer. An answer may be used more than once within a set of questions.

Answers to questions 4-6:

a. antitoxin
b. antibiotics
c. vaccination
d. replacement of lost fluid and electrolytes
e. more than one of these

4. Treatment for vaginitis, toxic shock syndrome and urinary cystitis involves _____.
   
   
5. Treatment for botulism, but neither dysentery nor mycotoxicosis, involves _____.
   
   
6. Prevention of cholera, polio and hepatitis B, but not syphilis, includes _____.
   
   

TRUE FALSE: If a statement is TRUE, enter A on the answer sheet; if it is FALSE, enter B.

7. Women are typically diagnosed as having AIDS quicker than men because they contract different opportunistic diseases, which makes it easier for physicians to recognize that they have HIV infection much earlier.
   
   
8. Complications of trichinosis, caused by a multicellular eukaryotic pathogen known as a roundworm, include damage throughout the body, but especially to the heart, muscles and nervous system.
   
   
9. Hepatitis A vaccine is recommended for those whose behavior puts them at risk of infection, such as international travelers and children who live in high hepatitis A incidence areas, but not males having sex with males.