Which one is not the action of calcium channel blockers? ( )
A. Negative inotropic
B. Negative frequency
C. Positive conduction
D. Relaxing VSM
E. Anti-atherosclerosis
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Which drug below can relax cerebrovascular selectively? ( )
A. Nifedipine
B. Nimodipine
C. Felodipine
D. Nisodipine
E. Nitrendipine
The advantage of losartan over captopril is that ( )
A. Losartan is a more selective compound
B. Losartan is rapidly metabolized to an inactive compound
C. Losartan is safe to use in pregnancy
D. Losartan will inhibit non-ACE-generated angiotensin
E. Losartan blocks bradykinin metabolism
A 49-year-old man is suffering from hypertension, and he has a history of atrial tachycardia. In selecting a calcium channel blocker to manage the tachycardia, the most appropriate agent would be ( )
Amlodipine
B. Isradipine
C. Nifedipine
D. Propranolol
E. Verapamil
Which of the following is NOT a way that a bacterium can acquire antibiotic resistance? ( )
Acquiring resistance gene from its host’s cells
B. On its own through evolution
C. From its parent cell
D. Scavenging resistance genes from the environment
E. By changing target structure
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