CLINICAL SCENARIOS 2025 EXAM QUESTIONS AND
ANSWERS
A 45 yr. old construction worker is suffering from muscle spams, headache, and a
spastic paralysis of the facial muscles. This syndrome appeared 3 days after he had
suffered a laceration to the back of his hand during a trenching operation. - Answers -
Disease: Tetanus
Infection or Intoxication? Intoxication
Treatment: anti-toxin shot
Etiologic agent: Claustridum tetaton
A 20 yr. old immigrant (male) from India has presentd to the hospital showing a
depigmented lesion on his upper arm. Cultures reveal gram (+), acid fast bacilliin the
patient's nasal secretions. - Answers - Disease:Leprosy
Causative agent: M. Leprae
Treatment: Antibiotics- Dapsone, Rifampin, Clofazimine
3. A pet shop owner develops an infection with Chlamydia psittaci. (bird pnemonae) -
Answers - Organ affected:
Disease:
Causative agent:
Treatment: Tetracycline
10 year-old boy hospitalized for intense headaches, back spasms, fever. Examination
shows elevated WBC counts and evidence of lysed proteins in his CNS fluid. No
response to standard antibiotics. Protozoan cells isolated from CNS. - Answers -
Six members of a family show the following symptoms: extremely swollen lymph nodes,
high fever, flu-like prodrome, pneumonia and a pink rash over the body. The disease
began after the family returned from a camping trip near the Grand Canyon in Arizona.
Interviews with the family members indicate that one of the children had captured a
small rodent but released it after keeping it captive for two days. Flea bites were noted
on that child. - Answers -
An American tourist returning from a trip to South America presents to the emergency
room with abdominal cramps, a severe watery diarrhea, severe dehydration. There is no
fever and no unusual serology. Gram negative vibriods isolated from fecal matter. -
Answers -
A 35 year-old female complaining of frequent, burning urination. A culture of her urine
reveals gram negative, facultative anaerobic, mesophillic rods that are capable of
fermenting lactose and form metallic green colonies on EMB agar. What is the likely
cause of this infection. - Answers - UTI, E. Coli
ANSWERS
A 45 yr. old construction worker is suffering from muscle spams, headache, and a
spastic paralysis of the facial muscles. This syndrome appeared 3 days after he had
suffered a laceration to the back of his hand during a trenching operation. - Answers -
Disease: Tetanus
Infection or Intoxication? Intoxication
Treatment: anti-toxin shot
Etiologic agent: Claustridum tetaton
A 20 yr. old immigrant (male) from India has presentd to the hospital showing a
depigmented lesion on his upper arm. Cultures reveal gram (+), acid fast bacilliin the
patient's nasal secretions. - Answers - Disease:Leprosy
Causative agent: M. Leprae
Treatment: Antibiotics- Dapsone, Rifampin, Clofazimine
3. A pet shop owner develops an infection with Chlamydia psittaci. (bird pnemonae) -
Answers - Organ affected:
Disease:
Causative agent:
Treatment: Tetracycline
10 year-old boy hospitalized for intense headaches, back spasms, fever. Examination
shows elevated WBC counts and evidence of lysed proteins in his CNS fluid. No
response to standard antibiotics. Protozoan cells isolated from CNS. - Answers -
Six members of a family show the following symptoms: extremely swollen lymph nodes,
high fever, flu-like prodrome, pneumonia and a pink rash over the body. The disease
began after the family returned from a camping trip near the Grand Canyon in Arizona.
Interviews with the family members indicate that one of the children had captured a
small rodent but released it after keeping it captive for two days. Flea bites were noted
on that child. - Answers -
An American tourist returning from a trip to South America presents to the emergency
room with abdominal cramps, a severe watery diarrhea, severe dehydration. There is no
fever and no unusual serology. Gram negative vibriods isolated from fecal matter. -
Answers -
A 35 year-old female complaining of frequent, burning urination. A culture of her urine
reveals gram negative, facultative anaerobic, mesophillic rods that are capable of
fermenting lactose and form metallic green colonies on EMB agar. What is the likely
cause of this infection. - Answers - UTI, E. Coli
