Which two bacteria are common causes of otitis media in children?
Choose 2 answers.
Haemophilus influenzae
Escherichia coli
Streptococcus pneumoniae
Peptostreptococcus
C. trachomatis
T. pallidum
Correct Answer : A,C
A. Haemophilus influenzae: This bacterium is a common cause of acute otitis media in children.
B. Escherichia coli: This bacterium typically causes gastrointestinal or urinary infections, not otitis media.
C. Streptococcus pneumoniae: Streptococcus pneumoniae is another leading bacterial cause of otitis media in pediatric populations.
D. Peptostreptococcus: This is more associated with anaerobic infections, not otitis media.
E. C. trachomatis: This bacterium is responsible for trachoma and other sexually transmitted infections, not otitis media.
F. T. pallidum: This bacterium causes syphilis and is not related to ear infections.
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Related Questions
Correct Answer is ["B","C"]
Explanation
A. Atherosclerosis: While atherosclerosis affects blood vessels, it is not a direct risk factor for kidney stones (nephrolithiasis).
B. High-sodium diet: Excessive sodium intake increases calcium excretion in the urine, which can promote kidney stone formation.
C. Obesity: Obesity is a known risk factor for nephrolithiasis due to metabolic changes that increase the risk of stone formation.
D. Long-term urinary catheter: This can predispose to infections or bladder stones, but not specifically nephrolithiasis.
E. Exposure to diesel exhaust: There is no known link between diesel exhaust and kidney stone formation.
F. Radiotherapy to the pelvis: Radiation to the pelvis may lead to other complications, but it is not a direct risk factor for kidney stones.
Correct Answer is ["A","F"]
Explanation
A. Aneurysm: Uncontrolled hypertension can weaken arterial walls, leading to the formation of aneurysms, which may rupture if untreated.
B. Thromboembolism: Thromboembolisms are typically associated with conditions like atrial fibrillation or venous stasis, not directly with hypertension.
C. Ventricular rupture: This is more often a result of myocardial infarction, not a direct complication of hypertension.
D. Papillary muscle rupture: Typically a complication of myocardial infarction, not hypertension.
E. Stroke: Hypertension is a leading cause of ischemic and hemorrhagic strokes due to the damage it causes to blood vessels in the brain.
F. Fatal intracerebral hemorrhage: Uncontrolled high blood pressure can cause blood vessels in the brain to burst, leading to life-threatening intracerebral hemorrhages.
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