Which one of the following statements about carotid stenosis is false?
1.
About 5% of patients aged 45-80 have carotid bruits in the absence of
significant internal carotid disease.
2.
Statin drugs are effective for primary stroke prevention in patients
with carotid stenosis.
3.
After transient ischemic attack (TIA) or stroke associated with
ipsilateral stenosis over 70%, medical therapy is less effective than
endarterectomy.
4.
The benefit of endarterectomy after TIA or stroke is greatest if
performed more than two weeks later.

Five-day steroid treatment for acute chronic obstructive pulmonary
disease (COPD) exacerbation is as effective as 14-day conventional
therapy.
1.
True
2.
False

Which one of the following statements about the treatment of mild
asthma is false?

1.
In an outpatient setting, leukotriene- receptor antagonists may be as
efficacious as inhaled glucocorticoids as first-line controller
therapy.
2.
Early intervention with inhaled glucocorticoids in children may alter
the underlying progression of the disease.
3.
Daily use of inhaled glucocorticoids is modestly superior to
intermittent use with respect to good asthma control.
4.
Long-acting bronchodilators may be associated with increased risk of
asthma-related death.