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.
You may also like to solve these questions
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).
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 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.
A nurse is caring for a retired MD. The MD asks the question, 'What type of cells create exocrine secretions?'
- A. alpha cells
- B. beta cells
- C. acinar cells
- D. plasma cells
Correct Answer: C
Rationale: Acinar cells create exocrine secretions.
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.