Which of the following are considered to be oncogenic?

Laboratory diagnosis of HIV infection is usually made by which of the following?

Which of the following is also known as infectious hepatitis?

Mosquitoes serve as vectors in all of the following viral diseases, except:

Which of the following viruses is/are not transmitted sexually?

Which of the following is a DNA virus?

Which of the following is a type of herpes virus?

Which of the following viral diseases has been acquired in the United States by handling pet prairie dogs?

The disease known as a severe acute respiratory syndrome (SARS) is caused by a type of:

A 27-year-old unmarried female patient presents with genital warts. Which one of the following viruses is the most likely cause?

A 27-year-old unmarried female patient presents with genital warts. Which one of the following diseases is this virus also associated with?

A 54-year-old man presents with a painful, blistering skin rash on the left side of his torso, accompanied by a headache and low-grade fever. He says that he has lately been under a great deal of emotional stress. Which one of the following viruses is the most likely cause?

A 54-year-old man presents with a painful, blistering skin rash on the left side of his torso, accompanied by a headache and low-grade fever. He says that he has lately been under a great deal of emotional stress. This condition often occurs many years after a person has had which one of the following viral diseases?

Which of the following pertains to the presence of viruses in the bloodstream?

The most common STD in the United States is caused by:

_______________ is the most common cause of

pneumonia in the world.

Gas gangrene is always caused by ______.

The bacterial species most frequently associated with necrotizing fasciitis is:

Which of the following organisms is the most common cause of urethritis?

Which of the following organisms is the most common cause of cystitis?

Which of the following diseases is not caused by a spirochete?

Which of the following associations is incorrect?

A 19-year-old woman visits the clinic complaining of a frequent, urgent desire to urinate, a burning sensation during urination, and pain above her pubic bone. The physician suspects cystitis and arranges for the patient to collect a clean-catch, midstream urine specimen. The urine is cloudy and tinged with blood. In the laboratory, a colony count confirms that the patient does have a urinary tract infection. The pathogen causing the infection is producing pink colonies on MacConkey agar.

Which one of the following pathogens do you suspect is

causing this patient’s cystitis?

A 2-year-old girl is admitted to the hospital with massive tissue destruction along her right arm. The skin is a violet color, and large fluid-filled blisters are present. The patient has a fever, a rapid heart rate, and low blood pressure, and seems confused. Her mother informs the physician that the child had been recovering from chickenpox, and, for the past 2 days, had frequently been scratching at chickenpox lesions on that area of her arm. Once the area appeared to have become infected, the infection spread very rapidly. A Gram-stain of exudate from the infected tissue reveals Gram-positive cocci in chains.

The physician suspects that her infection is being caused by _______________.