The nurse reviews a client's medical record taking prescribed isoniazid for pulmonary tuberculosis. Which laboratory data is most important to monitor?
- A. PT and PTT
- B. CBC
- C. BUN
- D. Liver enzymes
Correct Answer: D
Rationale: Isoniazid can cause hepatotoxicity, making liver enzyme monitoring critical.
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The nurse is caring for a client who has been prescribed sertraline. The nurse understands that this medication is prescribed for which of the following conditions?
- A. Major Depressive Disorder
- B. Attention Deficit Hyperactivity Disorder
- C. Obsessive-Compulsive Disorder
- D. Generalized Anxiety Disorder
- E. Bipolar Disorder
Correct Answer: A, C, D
Rationale: Sertraline, an SSRI, is indicated for Major Depressive Disorder, Obsessive-Compulsive Disorder, and Generalized Anxiety Disorder, but not for ADHD or Bipolar Disorder.
The nurse is teaching a class on substance use disorders. It would be correct for the nurse to characterize physical dependence as
- A. obsessive desire for the euphoric effects of a drug
- B. a need for a drug to avoid physical withdrawal symptoms
- C. severe effects that may be life-threatening
- D. unpleasant symptoms related to the absence of a drug
Correct Answer: B
Rationale: Physical dependence is defined as needing a drug to avoid withdrawal symptoms.
The nurse has attended a staff education program about the signs of pregnancy. Which of the following is considered a positive sign of pregnancy?
- A. Amenorrhea
- B. Uterine soufflé
- C. Positive pregnancy test
- D. Fetal heartbeat
Correct Answer: D
Rationale: Fetal heartbeat is a positive sign of pregnancy, as it directly confirms the presence of a fetus.
The nurse assesses the new stoma of a client diagnosed with Crohn's disease. Which of these assessment findings will alert the nurse that the stoma has retracted?
- A. Narrowed and flattened
- B. Concave and bowl-shaped
- C. Dry and reddish-purple
- D. Pinkish-red and moist
Correct Answer: B
Rationale: A retracted stoma appears concave and bowl-shaped, indicating it has pulled below the skin surface.
The nurse has attended a continuing education presentation about acid-base imbalances. It would indicate a correct understanding of the conference if the nurse identifies which of the following conditions may cause the ABG in the exhibit.
- A. Five-day history of severe diarrhea
- B. Hyperemesis gravidarum
- C. End-stage renal disease (ESRD)
- D. Diabetic ketoacidosis (DKA)
- E. Chronic obstructive pulmonary disease (COPD)
- F. Hyperglycemic hyperosmolar nonketotic syndrome (HHNS)
Correct Answer: A, B, D, F
Rationale: Severe diarrhea, hyperemesis gravidarum, DKA, and HHNS can cause metabolic acidosis, as indicated by a low pH and low bicarbonate on ABG.
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