Which of the following statements regarding adenosine is correct?
A) Adenosine has a half-life of between 20 and 30 seconds and should be given slowly.
B) Adenosine increases conduction velocity and shortens the effective refractory period.
C) Adenosine is used to assess for P waves when slowing a supraventricular tachycardia.
D) Ventricular tachycardia is often terminated following the administration of adenosine.
Answer: C) Adenosine is used to assess for P waves when slowing a supraventricular tachycardia.
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On physical assessment of the skin of a patient, the nurse documents cyanosis. What other related assessment should the nurse perform?
A. Ask the parent about yellow and orange vegetable intake. B. Draw blood for hemoglobin, hematocrit, and liver function studies. C. Palpate all the child's lymph nodes, assessing for enlargement. D. Take the child's vital signs, including blood pressure and pulse.
A critical care nurse is caring for a patient with an endotracheal tube who is on a ventilator. The nurse knows that meticulous management of this patient's needs is necessary. What is the rationale for this?
A) Maintaining a patent airway B) Preventing the need for suctioning C) Decreasing the patient's time on the ventilator D) Increasing the patient's lung compliance
The nurse is performing a home visit to an older female patient who has a history of obesity and poorly controlled hypertension. Which assessment finding would be of concern to the nurse?
A) The patient has increased the intake of green tea to obtain more antioxidants. B) The patient has begun taking low-dose ASA for the prevention of cardiac disease. C) The patient takes insulin injections three times daily for the treatment of type 1 diabetes. D) The patient has started taking ginseng and St. John's wort for stamina and concentration.
A hospitalized 31-year-old patient with a history of cluster headache awakens during the night with a severe stabbing headache. Which action should the nurse take first?
a. Start the ordered PRN oxygen at 6 L/min. b. Put a moist hot pack on the patient's neck. c. Give the ordered PRN acetaminophen (Tylenol). d. Notify the patient's health care provider immediately.