question
The upper respiratory tract consists of the
A. phyarynx
B. Nasal cavity
C. Primary bronchi
D. Two of the above
A. phyarynx
B. Nasal cavity
C. Primary bronchi
D. Two of the above
answer
D - Two of the above
question
Middle ear infections are common in children because
A. They do secrete cerulean
B. Their tympanic membranes are thinner than in adults
C. Their Eustachian tubes are shorter and wider
D. Two of the above
A. They do secrete cerulean
B. Their tympanic membranes are thinner than in adults
C. Their Eustachian tubes are shorter and wider
D. Two of the above
answer
C - Their Eustacian tubes are shorter and wider
question
If pathogens evade the non-specific immune system of the upper respiratory tract and enter the alveoli, _____ can protect the body from infection.
A. Histiocytes
B. Macrophages
C. NK cells
D. Goblet cells
A. Histiocytes
B. Macrophages
C. NK cells
D. Goblet cells
answer
B - Macrophages
question
Which of the following can evade the killing power of macrophages and replicate in them?
A. Mycobacterium
B. Streptococcus
C. Coccidioides immitis
D. Two of the above
A. Mycobacterium
B. Streptococcus
C. Coccidioides immitis
D. Two of the above
answer
D - Two of the above
question
Which of the following statements about normal microflora of the respiratory system is INCORRECT?
A. The presence of Haemophilus in the pharynx does not indicate disease
B. About 1/3 of the population carries Staphylococcus aureus in their nasal cavity
C. Coccidioides immitis is a harmless part of the microflora
D. Nasal carriers of Staphyloccus aureus can easily spread it to other individuals
A. The presence of Haemophilus in the pharynx does not indicate disease
B. About 1/3 of the population carries Staphylococcus aureus in their nasal cavity
C. Coccidioides immitis is a harmless part of the microflora
D. Nasal carriers of Staphyloccus aureus can easily spread it to other individuals
answer
C - Coccidioides immitis is a harmless part of the microflora
question
Pharyngitis is most often caused by
A. A virus
B. Streptococcus pyogenes Group A
C. Staphylococcus aureus
D. Corynebacterium
A. A virus
B. Streptococcus pyogenes Group A
C. Staphylococcus aureus
D. Corynebacterium
answer
A - a virus
question
Pharyngitis is describes as
A. A sore throat
B. A strep throat
C. A viral infection
D. A fungal infections
A. A sore throat
B. A strep throat
C. A viral infection
D. A fungal infections
answer
A - a sore throat
question
Which of the following statements about streptococcal pharyngitis is INCORRECT?
A. Dogs and other family pets can be carriers of Streptococcus pyogenes
B. Diagnosis takes at least 24 hours for the culture results to be reported
C. Clinically the throat is inflamed and the adenoids and lymph nodes in the neck swell
D. If treatment is delayed, rheumatic fever may develop
A. Dogs and other family pets can be carriers of Streptococcus pyogenes
B. Diagnosis takes at least 24 hours for the culture results to be reported
C. Clinically the throat is inflamed and the adenoids and lymph nodes in the neck swell
D. If treatment is delayed, rheumatic fever may develop
answer
B - diagnosis take at least 24 hour for the culture results to be reported
question
Acute epiglottitis is invariably caused by
A. a virus
B. Streptococcus pyogenes
C. Corynebacterium pseudoinfluenzae
D. Haemophilus influenzae type B
A. a virus
B. Streptococcus pyogenes
C. Corynebacterium pseudoinfluenzae
D. Haemophilus influenzae type B
answer
D - Haemophilus influenzae type B
question
Sinusitis can be caused by
A. Staphylococcus aureus
B. Streptococcus penumoniae
C. Haemophilus influenzae
D. All of the above
A. Staphylococcus aureus
B. Streptococcus penumoniae
C. Haemophilus influenzae
D. All of the above
answer
D - All of the above
question
Which of the following conditions is most likely to lead to pneumonia?
A. Sinusitis
B. Bronchitis
C. Pharyngitis
D. Epiglottitis
A. Sinusitis
B. Bronchitis
C. Pharyngitis
D. Epiglottitis
answer
B - Bronchitis
question
Which of the following statements about diphtheria is INCORRECT?
A. A prophase carries the exotoxins producing gene
B. An epidemic of diphtheria killed numerous people in the former Soviet Union
C. The bacteria are Gram-negative rods
D. The bacteria are in a palisade arrangement and have metachromatic granules
A. A prophase carries the exotoxins producing gene
B. An epidemic of diphtheria killed numerous people in the former Soviet Union
C. The bacteria are Gram-negative rods
D. The bacteria are in a palisade arrangement and have metachromatic granules
answer
C - The bacteria are Gram-negative rods
question
Which is characterized by a pseudomembrane forming in the throat?
A. Diphtheria
B. Pertussis
C. Pharyngitis
D. Laryngitis
A. Diphtheria
B. Pertussis
C. Pharyngitis
D. Laryngitis
answer
A - Diphtheria
question
Which of the following are used in the treatment or prevention of diphtheria?
A. Antibiotics
B. Vaccination
C. Antitoxin
D. All of the above
A. Antibiotics
B. Vaccination
C. Antitoxin
D. All of the above
answer
D - all of the above
question
Otitis externa is caused most often by
A. Streptococcus pyogenes
B. Staphylococcus aureus
C. Haemophilus influenzae
D. Two of the above
A. Streptococcus pyogenes
B. Staphylococcus aureus
C. Haemophilus influenzae
D. Two of the above
answer
B - Staphylococcus aureus
question
Which of the following statements related to Rhinoviruses is INCORRECT?
A. Rhinoviruses grow best at 33 - 34 deg C
B. Antibiotics are not useful in treating the common cold
C. There are at least 113 different Rhinoviruses
D. Rhinoviruses are very resistant to acid
A. Rhinoviruses grow best at 33 - 34 deg C
B. Antibiotics are not useful in treating the common cold
C. There are at least 113 different Rhinoviruses
D. Rhinoviruses are very resistant to acid
answer
D - Rhinoviruses are very resistant to acid
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