Nokea
After treatment with radioactive iodine (RAI) in the form of sodium iodide 131I, the nurse teaches the client to:
- A. Monitor for signs and symptoms of hyperthyroidism.
- B. Rest for 1 week to prevent complications of the medication.
- C. Take thyroxine replacement for the remainder of the client's life.
- D. Assess for hypertension and tachycardia resulting from altered thyroid activity.
Correct Answer: C
Rationale: RAI often destroys enough thyroid tissue to cause hypothyroidism, requiring lifelong thyroxine replacement. Monitoring for hyperthyroidism is unnecessary post-treatment, and rest or assessing for hypertension/tachycardia are not primary concerns.
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An older, sedentary adult may not respond to emotional or physical stress as well as a younger individual because of:
- A. Left ventricular atrophy.
- B. Irregular heartbeats.
- C. Peripheral vascular occlusion.
- D. Pacemaker placement.
Correct Answer: A
Rationale: Aging leads to left ventricular atrophy, reducing cardiac reserve and impairing the heart's ability to respond to stress, unlike irregular heartbeats or pacemakers.
A client with cirrhosis is receiving Lactulose (Cephulac). During the assessment the nurse notes increased confusion and asterixis. The nurse should:
- A. Assess for GI bleeding.
- B. Hold the Lactulose (Cephulac).
- C. Increase protein in the diet.
- D. Monitor serum bilirubin levels.
Correct Answer: A
Rationale: Confusion and asterixis indicate hepatic encephalopathy, often precipitated by GI bleeding (A), which increases ammonia levels. Holding lactulose (B) is incorrect as it reduces ammonia. Increasing protein (C) worsens encephalopathy. Bilirubin (D) is unrelated to acute symptoms.
The nurse is developing the discharge teaching plan for a client after a lumbar laminectomy L4-5 who will be returning to work in 6 weeks. Which of the following actions should the nurse encourage the client to avoid?
- A. Placing one foot on a stepstool during prolonged standing.
- B. Sleeping on the back with support under the knees.
- C. Maintaining average body weight for height.
- D. Sitting whenever possible.
Correct Answer: D
Rationale: Prolonged sitting can stress the surgical site and delay healing post-laminectomy.
Which of the following describes decerebrate posturing?
- A. Internal rotation and adduction of arms with the excess, wrists, and fingers.
- B. Back hunched with the position of all four extremities with supination of arms and plantar flexion of feet.
- C. Supination of arms, dorsiflexion of the feet.
- D. Back arched, rigid extension of all four extremities.
Correct Answer: D
Rationale: Decerebrate posturing involves rigid extension of all extremities with arched back, indicating severe brain stem dysfunction. The other options describe decorticate posturing or incorrect combinations of movements.
A client who is recovering from gastric surgery is receiving I.V. fluids to be infused at 100 mL/hour. The I.V. tubing delivers 15 gtt/mL. The nurse should infuse the solution at a flow rate of how many drops per minute to ensure that the client receives 100 mL/hour?
Correct Answer: 25 gtt/minute
Rationale: To calculate: (100 mL/hour × 15 gtt/mL) ÷ 60 minutes/hour = 25 gtt/minute. The nurse should set the flow rate to 25 drops per minute.