The critical piece of information related to the client's myocardium that is obtained through a PET scan is
a. electrical activity of the heart.
b. myocardial viability.
c. patency of coronary arteries.
d. status of valves.
B
A PET scan demonstrates cellular metabolism via tracing glucose uptake and use. A client with decreased perfusion but normal glucose uptake has viable, but hibernating, myocardium. This information is used to choose candidates for revascularization.
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A patient in his 40s is considering immunotherapy as a treatment for his longstanding allergic rhinitis, a problem which is taking an increasing toll on his quality of life
The nurse at the allergy clinic should ensure that the patient knows that allergy control by this method usually requires treatment for how long? A) Six to eight months B) One year to 18 months C) Two to three years D) Three to five years
One of the cardiomyopathies is genetic. Which cardiomyopathy is autosomal dominant?
A) Hypertrophic cardiomyopathy B) Restrictive cardiomyopathy C) Ventricular cardiomyopathy D) Dilated cardiomyopathy
The nurse recognizes that teaching a 44-year-old woman following a laparoscopic cholecystectomy has been effective when the patient states which of the following?
a. "I can expect yellow-green drainage from the incision for a few days." b. "I can remove the bandages on my incisions tomorrow and take a shower." c. "I should plan to limit my activities and not return to work for 4 to 6 weeks." d. "I will always need to maintain a low-fat diet since I no longer have a gallbladder."
Bupivacaine contains a black box warning against epidural use of 0.75% concentration during labor and delivery. Why is the 0.75% concentration of bupivacaine contraindicated for this use?
A. Convulsions may occur. B. Cardiac arrest with difficult resuscitation may occur. C. Ischemia and gangrene may occur. D. None of the above are true.