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Practice exam 5 lec
Practice exam 5 lec p1
Question | Answer |
---|---|
A 25-year-old male presented with fever, malaise, and a rash on his chest, arms, and feet. Which of the following will be most useful for a rapid diagnosis? | Serological test for antibodies |
The etiologic agent of chickenpox. | Herpes zoster |
On July 5, an 11-year-old girl complained of pain in the knuckles of her left hand. During July 6-7, she had increasing pain that extended up to the left shoulder. A throat culture was obtained and amoxicillin was prescribed. On July 9, she had difficulty | a virus |
Septicemia may result from all of the following except | none of the above |
Which of the following is not true about toxoplasmosis? | it is a severe illness in adults |
A 35-year-old female has a red, raised rash on the inside of her thighs. Gram-stained skin scrapings show large budding cells with pseudohyphae. The infection is caused by | candida albicans |
Which of the following pairs is not correctly matched? | Salmonella endotoxin - coagulates blood |
Following a county fair, 160 persons complained of gastrointestinal symptoms. Symptoms included diarrhea (84%), abdominal cramps (96%), nausea (84%), vomiting (82%), body aches (50%), fever (60%; median body temperature = 38.3°C | giardia |
Which of the following is not a characteristic used to identify S. pyogenes? | Coagulase-positive |
A 17-year-old male has pus-filled cysts on his face and upper back. Microscopic examination reveals gram-positive rods. This infection is caused by 4) _____ | Propionibacterium acnes. |
Which of the following pairs is not correctly matched? | Hydatid disease - humans are the definitive host |
Which of the following pairs is mismatched? | Puerperal sepsis ? Staphylococcus aureus |
Which of the following pairs is mismatched? | Cryptococcus neoformans - acid-fast rod |
A 30-year-old female was hospitalized after she experienced convulsions. On examination, she was alert and oriented and complained of a fever, headache, and stiff neck. Which of the following is most likely to provide rapid identification of the cause of | Gram stain of cerebrospinal fluid |
Which of the following respiratory infections can be contracted by ingestion? | tuberculosis |
Which of the following may exist as an extracellular parasite? | Coccidioides |
Which of the following organisms is not correctly matched to the recommended treatment? | Poliovirus ? Salk vaccine |
Cystitis is most often caused by | gram-negative rods |
Which of the following is not transmitted by the respiratory route? | cold sore |
All of the following facts about Chagas' disease are true except | Diagnosis - serological tests for antibodies. |
Microscopic examination of cerebrospinal fluid reveals amoebae. What is the organism? | naegleria |
A 30-year-old female was hospitalized after she experienced convulsions. On examination, she was alert and oriented and complained of a fever, headache, and stiff neck. Her symptoms could be due to all of the following except | Clostridium botulinum. |
On June 30, a 47-year-old man was hospitalized with dizziness, blurred vision, slurred speech, difficulty swallowing, and nausea. Examination revealed facial paralysis. The patient had partially healed superficial knee wounds incurred while laying cement. | Anaerobically. |
Typhoid fever differs from salmonellosis in that in typhoid fever | The microorganisms become invasive. |
EB virus causes all of the following except | Endocarditis. |
On June 30, a 47-year-old man was hospitalized with dizziness, blurred vision, slurred speech, difficulty swallowing, and nausea. Examination revealed facial paralysis. The patient had partially healed superficial knee wounds incurred while laying cement. | surgery |
Which of the following pairs regarding the epidemiology of malaria is mismatched? | Treatment - antibiotics |
Infection by which of the following results in the formation of Ghon complexes? | Mycobacterium tuberculosis |
Encephalitis and meningitis are difficult to treat because | Antibiotics cannot penetrate the blood-brain barrier. |
Which of the following leads to all the others? | Staphylococcal infection |
Which of the following is evidence that the arthritis afflicting children in Lyme, Connecticut, was due to bacterial infection? | Treatable with penicillin |
Treatment for tetanus in an unimmunized person is | Tetanus immune globulin. |
Which of the following is not a causative agent of conjunctivitis? | listeria |
The etiologic agent of fever blisters. | herpes simplex |
Which one of the following produces the most potent exotoxin? | Corynebacterium diphtheriae |
Which region of the skin supports the largest bacterial population? | Axilla |
Which of the following causes an infection of the respiratory system that is transmitted by the gastrointestinal route? | Mycobacterium tuberculosis |
All of the following are caused by prions except | Rabies. |
Pyelonephritis may result from | All of the above. |
Which of the following pairs is mismatched? | Francisella ? gram-positive facultatively anaerobic pleomorphic rods |