Once potassium channels are closed by the production of ATP in the beta cell, what is needed for the release of insulin?
A. Depolarization causing calcium influx
B. Hyperpolarization causing potassium efflux
C. Repolarization causing potassium efflux
D. Depolarization causing sodium influx
Answer: A
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How is the refreezing stage of change similar to the nursing process?
a. Refreezing is similar to the assessment phase of the nursing process. b. Refreezing is similar to the problem iden-tification phase of the nursing process. c. Refreezing is like the planning and im-plementation phase of the nursing process. d. Refreezing is like evaluation in the nursing process.
The patient has been in the critical care unit for 3 weeks and has been on an intra-aortic balloon pump for the past 3 days
The patient's condition has been serious, and hourly assessments and vital signs have been necessary. The nursing staff has noted that the patient has been unable to achieve sleep for more than 30 minutes at a time. The patient has been given diazepam (Valium) prn. The anticipated effect of diazepam on the patient's sleep is a. a decrease in NREM stage 1 . b. an increase in NREM stage 3 . c. total NREM suppression. d. REM suppression in larger doses.
For the client with cirrhosis, the nurse should evaluate which diagnostic studies to prevent complications associated with bleeding? (Select all that apply.)
1. Complete blood count 2. Coagulation studies 3. Albumin 4. Ammonia levels 5. Liver functions studies
When a child with diabetes is sick, which is the most appropriate intervention to teach the patient and parents?
1. The usual dose of insulin may need to be adjusted to compensate for food intake. 2. Test blood glucose levels only if urine ketones are positive. 3. Maintain fluid intake, avoiding fluids that contain dairy products. 4. Only test for urine ketones when the blood glucose is above 300 ng/dL.