A 70-year-old man has been diagnosed with angina pectoris and subsequently prescribed nitroglycerin spray to be used sublingually when he experiences chest pain. This drug will achieve relief of the patient's chest pain by:
A) Blocking sympathetic stimulation of the heart and reducing oxygen demand
B) Increasing contractility and consequent cardiac output
C) Blocking the a-delta pain fibers in the myocardium
D) Dilating the blood vessels and reducing preload
Question 2
A young gay patient being treated for his third sexually transmitted disease does not see why he should use condoms, because they don't work. The nurse's most appropriate response would be
a. Condoms may not provide 100 protection, but when used correctly and consistently with every act of sexual intercourse they reduce your risk of getting infected with HIV or other sexually transmitted diseases.
b. You are correct. Condoms don't always work, so your best protection is to limit your number of partners.
c. Condoms do not provide 100 protection, so you should always discuss with your sexual partners their HIV status or ask if they have any STD.
d. Condoms do not provide 100 protection, but when used with a spermicide you can be assured of complete protection against HIV and other STDs.
Nitroglycerin
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
Mechanisms of action of drugs used to treat angina.
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