A child with heart failure is on Lanoxin (digoxin). The laboratory value a nurse must closely monitor is which?

a. Serum sodium
b. Serum potassium
c. Serum glucose
d. Serum chloride


ANS: B
A fall in the serum potassium level enhances the effects of digoxin, increasing the risk of digoxin toxicity. Increased serum potassium levels diminish digoxin's effect. Therefore, serum potassium levels (normal range, 3.5–5.5 mmol/L) must be carefully monitored.

Nursing

You might also like to view...

The director of nursing at a university-based hospital is interested in assisting the nursing staff to comply with American Nurses Association (ANA) nursing research standards

Which does the director plan to establish in order to comply with the ANA standards? A) A nursing practice council to develop a quality improvement program. B) A nursing practice council to determine nursing performance reviews. C) A nursing practice council to examine current practice. D) A nursing practice council for determining nursing educational needs.

Nursing

The client is to receive Xanax (alprazolam) 0.5 mg po at bedtime. What time would be appropriate to administer this medication?

A) 2 PM B) 4 PM C) 6 PM D) 10 PM

Nursing

If WHO, the World Health Organization, defines health as "a state of complete physical, mental and social well-being and not merely the absence of disease and infirmity" (WHO, 2011) and wellness is described as a state of being,

a. What is the relationship of wellness and health in a person's life? b. How do illness and disease relate to one another? c. Do you think an individual can have an illness or disease and still be healthy or well? Why or why not? d. How does chronic illness in an individual's life affect wellness or being healthy or unhealthy?

Nursing

If the fundus is palpated on the right side of the abdomen above the expected level, the nurse should suspect that the client has which?

a. Distended bladder b. Normal involution c. Been lying on her right side too long d. Stretched ligaments that are unable to support the uterus

Nursing