Nokea
After a computer tomography (CT) scan with intravenous contrast medium, a client returns to the room complaining of shortness of breath and itching. Which intervention should the nurse implement?
- A. Call respiratory therapy to give a breathing treatment
- B. Send another nurse for an emergency tracheotomy set
- C. Prepare a dose of epinephrine (Adrenalin)
- D. Review the client's complete list of allergies
Correct Answer: C
Rationale: Shortness of breath and itching are signs of an allergic reaction to the contrast medium, and epinephrine is the first-line treatment for anaphylaxis.
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A nurse assesses a client who is scheduled for a cardiac catheterization. Which assessment should the nurse complete before this procedure?
- A. Client’s level of anxiety
- B. Ability to turn self in bed
- C. Cardiac rhythm and heart rate
- D. Allergies to iodine-based agents
Correct Answer: D
Rationale: Assessing for allergies to iodine-based agents is critical before cardiac catheterization, as contrast dye used during the procedure may cause an allergic reaction.
Hypothalamic nuclei are responsible for:
- A. Control of hunger
- B. Temperature control
- C. Maintaining osmolarity of extracellular fluid
- D. Secretion of thyrotrophin
Correct Answer: A
Rationale: The hypothalamus plays a key role in regulating hunger through various nuclei and hormonal signals.
Factors triggering renin stimulation:
- A. Hyponatraemia
- B. ACTH
- C. Hypovolaemia
- D. ANP
Correct Answer: C
Rationale: Hypovolaemia
A 4-month-old infant with a ventricular septal defect (VSD) has dropped from the 20th percentile to the 5th for weight. What will the nurse practitioner recommend?
- A. Adding solid foods to the infant's diet to increase caloric intake
- B. Fortifying breast milk to increase the number of calories per ounce
- C. Stopping breastfeeding and giving 30 kcal/ounce formula
- D. Supplementing breastfeeding with 24 kcal/ounce formula
Correct Answer: B
Rationale: Infants with heart defects who have congestive heart failure (CHF) may need modification of formula or breast milk to increase calories. Fortifying breast milk is the first and best option.
Which of the following statements is true regarding alcohol septal ablation?
- A. Indicated when dynamic LV outflow gradient is more than 50 mm Hg at rest
- B. Targeted septal thickness less than 16 mm is a contraindication
- C. Usually preferred over surgical myomectomy
- D. Reduces risk of sudden death
Correct Answer: A
Rationale: Alcohol septal ablation is indicated when the dynamic LV outflow gradient is more than 50 mm Hg at rest.