Nokea
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.
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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 enzyme is elevated in conditions of pancreatic inflammation, such as pancreatitis?
- A. Alkaline phosphatase
- B. Acid phosphatase
- C. Creatine phosphokinase
- D. Amylase
Correct Answer: D
Rationale: Amylase is elevated in conditions of pancreatic inflammation, such as pancreatitis. The other enzymes are associated with other types of tissue damage.
How often must physical restraints be released?
- A. every 2 hours
- B. between 1 and 3 hours
- C. every 30 minutes
- D. at least every 4 hours
Correct Answer: A
Rationale: Restraints must be released every 2 hours to assess circulation, skin integrity, and client comfort, with assessments every 30 minutes while restrained.
Which isolation procedure will be followed for secretions and blood?
- A. Respiratory
- B. Standard Precautions
- C. Contact Isolation
- D. Droplet
Correct Answer: B
Rationale: Standard precautions are taken in all situations for all clients and involve all body secretions except sweat and are designed to reduce the rate of transmission of microbes from one host to another or one source (environment such as the client's bedside table) to another.
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.