How are verapamil and diltiazem different from other calcium channel blockers?
A. Verapamil and diltiazem block the influx of calcium ions into vascular smooth muscle.
B. Verapamil and diltiazem are chemically classified as dihydropyridines.
C. Verapamil and diltiazem have very little direct actions on the heart.
D. Verapamil and diltiazem block the influx of calcium ions in cardiac muscle.
Answer: D
You might also like to view...
A patient is complaining of nausea and vomiting after general anesthesia. Which of the following medications will be administered for the treatment of nausea and vomiting?
A) First-generation antihistamine agent: chlorpheniramine (Chlor-Trimeton) B) First-generation antihistamine agent: hydroxyzine (Vistaril) C) Second-generation antihistamine agent: loratadine (Claritin) D) Second-generation antihistamine agent: cetirizine (Zyrtec)
Which of the following scenarios best describes an example of infection originating with a fomite?
A) A client who contracted hepatitis C through sharing a contaminated syringe with an infected person B) A nurse with a positive tuberculin screening test (PPD) after admitting a patient diagnosed with tuberculosis (TB) C) A woman who contracted Lyme disease after a tick bite D) A man who has been diagnosed with trichinosis after eating undercooked pork
At what age should a male be taught testicular self-exam (TSE)?
a. 10 b. 13 c. 15 d. 20
When SBAR communication is used, the B represents:
a. baseline. b. breath sounds. c. bottom line. d. background.