Nokea
A client with hyperkalemia is to receive an infusion of $250 \mathrm{~mL}$ of $20% glucose with 20 units of regular insulin. The rationale for this therapy is:
- A. Potassium elimination is enhanced.
- B. Potassium binds with the glucose and is excreted by the kidneys.
- C. Glucose uptake by the cell drives the potassium into the cell.
- D. Insulin lowers the potassium by lowering blood glucose.
Correct Answer: C
Rationale: Insulin facilitates glucose uptake by cells, which drives potassium into cells, lowering serum potassium levels in hyperkalemia.
You may also like to solve these questions
The nurse is caring for a client with a long leg cast. During discharge teaching about appropriate exercises for the affected extremity, the nurse should recommend exercises
- A. Isometric
- B. Range of motion
- C. Aerobic
- D. Isotonic
Correct Answer: A
Rationale: Isometric. The nurse should instruct the client on isometric exercises for the muscles of the casted extremity, i.e., instruct the client to alternately contract and relax muscles without moving the affected part.
A client is taking lithium for management of bipolar I disorder. The client's most recent serum lithium level is 0.8 mEq/L (0.8 mmol/L). Based on this result, what prescription does the nurse anticipate receiving from the health care provider?
- A. Continue at the current dose
- B. Decrease the dose
- C. Discontinue the medication
- D. Increase the dose
Correct Answer: D
Rationale: A lithium level of 0.8 mEq/L is low (therapeutic range: 1.0-1.5 mEq/L for acute mania). Increasing the dose is likely to achieve therapeutic levels.
At the geriatric day care program a client is crying and repeating 'I want to go home. Call my daddy to come for me.' The nurse should
- A. Inform the client that she must wait until the program ends at 5:00 pm to leave
- B. Give the client simple information about what she will be doing
- C. Tell the client you will call someone to come for her and suggest joining the exercise group while she waits
- D. Firmly direct the client to her assigned group activity
Correct Answer: C
Rationale: Tell the client you will call someone to come for her and suggest joining the exercise group while she waits. This uses comforting and distraction to reduce distress in dementia.
A client with generalized anxiety disorder has received a new prescription for sertraline. The nurse should reinforce teaching to the client on what possible adverse effect?
- A. Hypernatremia
- B. Sexual dysfunction
- C. Urinary retention
- D. Weight loss
Correct Answer: B
Rationale: Sertraline commonly causes sexual dysfunction, a significant side effect. Hypernatremia , urinary retention , and weight loss are less common.
An adult is almost ready for discharge. She has a complicated care regimen to follow. When conducting client teaching, the nurse notes that the client cannot recall basic information that was discussed the day before. The client also appears distracted. When asked if she is feeling comfortable about leaving the hospital, she states, 'There's just too much to learn. I know I'm going to get home and mess something up.' The nurse realizes that the client may be experiencing:
- A. mild anxiety.
- B. moderate anxiety.
- C. severe anxiety.
- D. panic anxiety.
Correct Answer: B
Rationale: Difficulty recalling information and expressed worry about managing care suggest moderate anxiety, impairing learning but not reaching panic.