Author Question: A number of patients in an acute cardiac care unit of a hospital have diagnoses of impaired cardiac ... (Read 113 times)

melina_rosy · **on:** Jun 25, 2018

A number of patients in an acute cardiac care unit of a hospital have diagnoses of impaired cardiac conduction. Which of the following patients is most deserving of immediate medical attention?

A)
A 46-year-old man whose cardiac telemetry shows him to be in ventricular tachycardia
B)
A 69-year-old woman who has entered ventricular fibrillation
C)
A 60-year-old man with premature ventricular contractions (PVC) and a history of atrial fibrillation
D)
A 60-year-old woman who has just been diagnosed with a first-degree AV block

Question 2

When explaining the role of the proximal tubule in terms of medication administration, the nursing instructor will emphasize that which of the following medications are bound to plasma proteins

and require the proximal tubule secretion of exogenous organic compounds to help with filtration? Select all that apply.
A)
Penicillin
B)
Aspirin
C)
Morphine sulfate
D)
Potassium chloride
E)
Sodium chloride

EAN94 · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

Ans:
B

Feedback:

Ventricular fibrillation, or ventricular flutter, is a life-threatening emergency that would necessitate immediate intervention. Ventricular tachycardia is also a serious condition but less so than ventricular fibrillation. PVCs and a first-degree AV block would not normally require emergency intervention.

Answer to Question 2

Ans:
A, B, C

Feedback:

The proximal tubule secretes exogenous organic compounds such as penicillin, aspirin, and morphine. Many of these compounds can be bound to plasma proteins and are not freely filtered in the glomerulus. Therefore, excretion by filtration alone eliminates only a small portion of these potentially toxic substances from the body.