CAT Exam Practice

Correct Answer: A

Rationale: The correct answer is A: Intravenous administration of thyroid hormones. Myxedema coma is a severe form of hypothyroidism that necessitates immediate replacement of thyroid hormones. Administering thyroid hormones intravenously ensures rapid absorption and effectiveness in managing the condition. Choice B, oral administration of hypnotic agents, is incorrect as it does not address the primary issue of thyroid hormone deficiency in myxedema coma. Choice C, intravenous bolus of hydrocortisone, is not the appropriate treatment for myxedema coma as adrenal insufficiency is not the primary concern in this condition. Choice D, subcutaneous administration of vitamin K, is unrelated to the management of myxedema coma and does not address the underlying thyroid hormone deficiency that characterizes this condition.

Correct Answer: D

Rationale: The correct action for the nurse to implement in a client experiencing clear, watery diarrhea is to review the client's current list of medications. Certain medications can cause diarrhea as a side effect, so identifying any potential culprits is essential. Administering an antiemetic (Choice A) is not appropriate for diarrhea, as antiemetics are used to control nausea and vomiting, not diarrhea. Assessing for hemorrhoids (Choice B) is not the priority when the client is experiencing watery diarrhea; addressing the root cause is crucial. Checking the client's hemoglobin level (Choice C) is not the immediate action needed for this situation as it does not directly address the cause of diarrhea.

Correct Answer: D

Rationale: The correct answer is D. Diaphragmatic breathing is a beneficial intervention for clients with COPD as it helps improve breathing efficiency and manage symptoms by promoting better air exchange in the lungs. It aids in achieving better exhalation, reducing air trapping, and enhancing overall lung function. Choices A, B, and C are incorrect. While reducing risk factors for infection is important for overall health, it is not a specific long-term intervention for COPD. Administering high-flow oxygen during sleep may be necessary in some cases but is not typically a long-term strategy for managing COPD. Limiting fluid intake to reduce secretions is not recommended as hydration is essential for individuals with COPD to maintain optimal respiratory function and prevent complications like mucus plugs.

Correct Answer: D

Rationale: When assessing a lethargic one-hour-old infant, the nurse should prioritize assessing the most critical parameters first. Temperature and heart rate are vital signs that provide immediate information about the infant's well-being. Therefore, the correct order of assessment should be temperature, heart rate, respirations, and then a heel stick. Temperature is crucial to determine if the infant is hypothermic or hyperthermic, while heart rate gives insight into the circulatory system's function. Respirations follow to evaluate the infant's breathing pattern. Lastly, the heel stick is important for certain screenings but is not as urgent as evaluating temperature and heart rate in a lethargic infant.

Correct Answer: A

Rationale: The correct additional action the nurse should instruct the UAP to take each time the immobilized elderly client with an indwelling urinary catheter is turned is to empty the urinary drainage bag. This action helps to prevent backflow of urine, reduces the risk of infection, and prevents bladder distention, which are crucial for the client's comfort and health. Choices B, C, and D are incorrect as they are not directly related to the care of a client with an indwelling urinary catheter. Feeding a snack, offering oral fluids, or assessing breath sounds are important aspects of care but not the immediate action needed when turning a client with an indwelling urinary catheter to prevent complications.