A 12-year old boy had a fever, rash, headache, sore throat, and cough. He also had a macular rash on his trunk, face, and arms. A throat culture was negative for Streptococcus pyogenes.
All of the following are complications of this disease except
a. Middle ear infections.
b. Pneumonia.
c. Birth defects.
d. Encephalitis.
e. All are complications of this disease.

A patient has conjunctivitis. If you isolated Pseudomonas from the patient’s mascara, you would most likely conclude all of the following except that

a. The mascara was the source of the infection.

b. Pseudomonas is causing the infection.

c. Pseudomonas has been growing in the mascara.

d. The mascara was contaminated by the manufacturer.

e. All of the above are valid conclusions.

A 12-year old boy had a fever, rash, headache, sore throat, and cough. He also had a macular rash on his trunk, face, and arms. A throat culture was negative for Streptococcus pyogenes.

The boy most likely had

a. Streptococcal sore throat.

b. Measles.

c. Rubella.

d. Smallpox.

e. Hand-foot-mouth disease.

You microscopically examine scrapings from a case of Acanthamoeba keratitis. You expect to see

a. Nothing.

b. Viruses.

c. Gram-positive cocci.

d. Eukaryotic cells.

e. Gram-negative cocci.

Before 2005, why was a test for antibodies against rubella required for females under age 50 before issuing a marriage license?

On the following figure, show the sites of the following infections: impetigo, folliculitis, acne, warts, shingles, sporotrichosis, pediculosis.

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Complete the following table of epidemiology.