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Several hours after returning from surgery, the nurse tells the patient that she is ordered to be ambulated. The patient asks, “Why?” Which of the following complications would the nurse correctly explain can be prevented by early postoperative ambulation?
- A. Increased peristalsis
- B. Coughing
- C. Pneumonia
- D. Wound healing A1 PASSERS TRAINING, RESEARCH, REVIEW & DEVELOPMENT COMPANY MEDICAL SURGICAL NURSING SET K
Correct Answer: C
Rationale: The correct answer is C: Pneumonia. Early postoperative ambulation helps prevent pneumonia by promoting lung expansion, increasing oxygenation, and preventing atelectasis. A: Increased peristalsis is unrelated to ambulation. B: Coughing is important for airway clearance but not directly related to ambulation. D: Wound healing is influenced by various factors, but ambulation primarily impacts respiratory function.
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A client is receiving the cell cycle-nonspecific alkylating agent thiotepa (thioplex), 60 mg weekly for 4 weeks by bladder instillation as part of a chemotherapeutic regimen to treat bladder cancer. The client asks the nurse how the drug works. How does thiotepa exert its therapeutic effects?
- A. It interferes with deoxyribonucleic acid (DNA) replication only.
- B. It interferes with ribonucleic acid (RNA) transcription only.
- C. It interferes with DNA replication and RNA transcription.
- D. It destroys the cell membrane, causing lysis.
Correct Answer: C
Rationale: The correct answer is C because thiotepa is a cell cycle-nonspecific alkylating agent that interferes with both DNA replication and RNA transcription. Thiotepa works by cross-linking DNA strands, leading to inhibition of DNA replication and transcription, ultimately causing cell death. This mechanism of action makes it effective against actively dividing cells, such as cancer cells.
Choice A is incorrect because thiotepa does not interfere with DNA replication alone. Choice B is incorrect because thiotepa affects both DNA replication and RNA transcription, not just RNA transcription. Choice D is incorrect because thiotepa does not destroy the cell membrane; instead, it acts on the genetic material within the cell.
What would be the most appropriate intervention for a patient with aphasia who state, "I want a ..." and then stops?
- A. Wait for the patient to complete the sentence.
- B. Immediately begin showing the patient various objects In the environment.
- C. Leave the room and come back later.
- D. Begin naming various objects that the patient could be referring to.
Correct Answer: A
Rationale: The correct answer is A: Wait for the patient to complete the sentence. This is the most appropriate intervention for a patient with aphasia because rushing the patient or providing suggestions can be counterproductive. Waiting allows the patient time to find the words they are looking for and encourages communication. It shows respect for the patient's autonomy and gives them the opportunity to express themselves fully. Choice B may overwhelm the patient, Choice C disrupts the communication process, and Choice D may not align with the patient's intended communication. Patience and support are key in aiding a patient with aphasia.
A patient is admitted to a medical unit with a diagnosis of heart failure. The patient reports that she has had increasing fatigue during the past 2 weeks. Which of the following is the most likely cause of this fatigue?
- A. Dyspnea
- B. Decreased cardiac output
- C. Dry cough
- D. Orthopnea
Correct Answer: B
Rationale: The correct answer is B: Decreased cardiac output. Fatigue in heart failure is primarily due to decreased cardiac output, leading to reduced oxygen and nutrient delivery to tissues, causing fatigue. Dyspnea (A) is shortness of breath, not fatigue. Dry cough (C) is more associated with conditions like pulmonary issues, not fatigue. Orthopnea (D) is difficulty breathing while lying down, not specifically related to fatigue. Hence, decreased cardiac output is the most likely cause of fatigue in this patient.
A client with severe head trauma sustained in a car accident is admitted to the intensive care unit. Thirty six-hours later, the client’s urine output suddenly rises above 200mL/hour, leading the nurse to suspect diabetes insipidus. Which laboratory findings support the nurse’s suspicion of diabetes insipidus?
- A. Above-normal urine and serum osmolality levels
- B. Below-normal urine and serum osmolality levels
- C. Above-normal urine osmolality level, below-normal serum osmolality level
- D. Below- normal urine osmolality level, above-normal serum osmolality level
Correct Answer: D
Rationale: The correct answer is D: Below-normal urine osmolality level, above-normal serum osmolality level. In diabetes insipidus, there is a deficiency of antidiuretic hormone (ADH), leading to the excretion of large volumes of dilute urine. This results in low urine osmolality as the kidneys are unable to concentrate the urine. On the other hand, the serum osmolality increases due to the lack of ADH causing water retention. Therefore, the laboratory findings of low urine osmolality and high serum osmolality support the diagnosis of diabetes insipidus.
Explanation for other choices:
A: Above-normal urine and serum osmolality levels - This does not align with the pathophysiology of diabetes insipidus.
B: Below-normal urine and serum osmolality levels - This is incorrect as low serum osmolality is not characteristic of diabetes insipidus.
C: Above-normal urine osmolality level, below-normal
A client is brought to the emergency department unconscious after a fall. What is the primary source of information in this case?
- A. Client's spouse
- B. Medical records
- C. Diagnostic tests
- D. Nursing assessment
Correct Answer: A
Rationale: The correct answer is A: Client's spouse. In the case of an unconscious client, the spouse is the primary source of information about the client's medical history, medications, allergies, and recent events. This information is crucial for providing appropriate care. Medical records may not be immediately accessible. Diagnostic tests provide limited historical information. Nursing assessment relies on the client's condition, which may not provide comprehensive information.