To relieve angina pectoris symptoms, the nurse administers nitroglycerin sublingual to the patient. Which of the following is an action of nitroglycerin?
A) Decreases myocardial oxygen consumption
B) Causes venous constriction
C) Decreases collateral circulation in the heart
D) Causes arterial constriction
Ans: A
Feedback: Nitrates decrease myocardial oxygen consumption to decrease ischemia and relieve pain. The veins, and in higher doses the arteries, are also dilated. It also increases perfusion through the collateral vessels.
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A patient with myasthenia gravis who is taking a cholinesterase inhibitor is being admitted to the intensive care unit and is on mechanical ventilation
The prescriber has ordered a challenge dose of edrophonium to distinguish between a myasthenic crisis and a medication overdose. The nurse will expect to do what? a. Administer neostigmine if muscle strength decreases. b. Be prepared to administer atropine and oxygen if muscle weakness increases. c. Give a second dose of edrophonium if no improvement is seen. d. Give pralidoxime [Protopam] if choliner-gic symptoms worsen.
A nurse is observing children playing in the playroom. What describes parallel play?
a. A child playing a video game b. Two children playing a card game c. Two children watching a movie on a television d. A child playing with blocks next to a child playing with trucks
You are describing the "time-out" verification procedure to a nursing orientee. Which statement by the orientee indicates a good level of understanding? (Select all that apply.)
a. The time-out is done at the start of every invasive procedure. b. The time-out prevents wrong site errors. c. The time-out prevents wrong patient er-rors. d. The time-out is done by the surgeon. e. The time-out is required by The Joint Commission (TJC).
The nurse suspects that a 59-year-old client has experienced angina pectoris. Which of the fol-lowing assessment questions will most likely produce information that will assist in the diagno-sis?
1. "How long did the pain last?" 2. "Can you describe the pain for me?" 3. "Did the pain radiate into your left arm?" 4. "What were you doing when the pain started?"