Nokea
Which of the following represents a normal serum potassium level?
- A. 1.5 mEq/L
- B. 3.0 mEq/L
- C. 4.0 mEq/L
- D. 6.0 mEq/L
Correct Answer: C
Rationale: Normal serum potassium levels fall in a range of 3.5-5.5 mEq/L. The other choices listed fall below or above this range.
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Which of the following lab values is elevated first after a client has a myocardial infarction?
- A. LDH
- B. troponin
- C. CPK
- D. SGOT
Correct Answer: B
Rationale: Troponin is the earliest and most specific marker to rise after a myocardial infarction, detectable within hours of cardiac injury.
Which of the following might be an appropriate nursing diagnosis for an epileptic client?
- A. Dysreflexia
- B. Risk for Injury
- C. Urinary Retention
- D. Unbalanced Nutrition
Correct Answer: B
Rationale: The epileptic client is at risk for injury due to the complications of seizure activity, such as possible head trauma associated with a fall. The other choices are not related to the question.
Which of the following statements by a client indicates adequate understanding of preparation for electroencephalography?
- A. I cannot eat or drink after midnight.'
- B. I need to wash my hair before the test.'
- C. I need to remove metal jewelry.'
- D. I cannot take aspirin before the test.'
Correct Answer: B
Rationale: The client needs to wash his hair to remove hair spray, cream, or oil that might interfere with attaching the electrodes to the scalp. Food or fluids do not need to be restricted, with the exception of caffeinated fluids. There is no restriction on metal objects. Aspirin is not a medication that needs to be held before the test (just anticonvulsants, tranquilizers, barbiturates, and other sedatives).
A 27 year-old woman has delivered twins in the OB unit. The patient develops a condition of 5 centimeter diastasis recti abdominis. Which of the following statements is the most accurate when instructing the patient?
- A. Sit-ups are o.k. to do as long as you don't strain.
- B. This condition leads to surgery in $80 \%$ of cases.
- C. Guarding the abdominal region is important at this time.
- D. Antibiotics are required for this condition in $70 \%$ of patients.
Correct Answer: C
Rationale: Protection of the abdominal wall is critical at this point in time.
Which sign might the nurse see in a client with a high ammonia level?
- A. coma
- B. edema
- C. hypoxia
- D. polyuria
Correct Answer: A
Rationale: Coma might be seen in a client with a high ammonia level.