Question: All of the following organisms are transmitted via the respiratory route EXCEPT

Neisseria meningitidis.

Listeria monocytogenes.

Haemophilus influenzae.

Cryptococcus neoformans.

None of the answers is correce; all of these organisms are transmitted by the respiratory route.

Answer: Listeria monocytogenes

Question: Microscopic examination of cerebrospinal fluid reveals gram-positive rods. What is the organism?

Neisseria

Haemophilus

Naegleria

Listeria

Streptococcus

Answer: Listeria

Question: TRUE or FALSE

Viral meningitis is much more common than bacterial meningitis and tends to cause a milder form of disease.

Answer: true

Question: Which of the following statements about leprosy is FALSE?

Diagnosis is based on skin biopsy.

It is transmitted by direct contact.

It is rarely fatal.

Patients with leprosy must be isolated.

The etiologic agent is acid-fast.

Answer: Patients with leprosy must be isolated.

Question: Initial treatment for tetanus in an unimmunized person with a puncture wound is

tetanus toxoid.

debridement.

tetanus immune globulin.

none; no action is necessary.

penicillin.

Answer: tetanus immune globulin.

Question:

Answer: postexposure prophylaxis.

Question: Which of the following vaccines can cause the disease it is designed to prevent?

meningococcal capsule vaccine

inactivated polio vaccine

tetanus toxoid vaccine

oral polio vaccine

Haemophilus influenzae capsule vaccine

Answer: oral polio vaccine

Question:

Answer: most cases result in muscle paralysis.

Question: TRUE or FALSE

If a normal protein typically found on the surface of nervous tissue cells comes into contact with an abnormally folded protein, it can lead to prion-related disease.

Answer: true

Question:

Answer: Penicillin is useless against infections of the brain because it is completely incapable of crossing the barrier.