Nokea
When the nurse is determining the appropriate size of an oropharyngeal airway to insert, what part of a client's body should she measure?
- A. corner of the mouth to the tragus of the ear
- B. corner of the eye to the top of the ear
- C. tip of the chin to the sternum
- D. tip of the nose to the earlobe
Correct Answer: A
Rationale: An oropharyngeal airway is measured from the corner of the client's mouth, to the tragus of the ear.
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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.
The nurse is preparing to administer IV Vancomycin to a client. Which of the following nursing actions should be taken first?
- A. performing a physical assessment prior to administration
- B. obtaining the most recent lab values regarding renal function
- C. reviewing peaks and troughs for the past few days
- D. ensuring the client is not allergic to the medication
Correct Answer: D
Rationale: Even before the physical assessment (which might or might not be indicated at the time of administration of Vancomycin), ensuring that the client is not allergic to the medication is the most critical action the nurse must take before administering any drug. Lab values regarding renal functioning and therapeutic ranges via peaks and troughs are also important with some medications such as Vancomycin because renal damage can occur if blood drug levels remain high over time.
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 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.