Which radiographic diagnostic test is most helpful in confirming gallstones?
Computed tomography (CT).
Ultrasound.
Magnetic resonance angiography (MRA).
Abdominal x-ray.
The Correct Answer is B
Choice A reason: CT scans can detect gallstones but are less specific and involve radiation, making them secondary to ultrasound. Ultrasound is the preferred test for its accuracy and safety, making this less optimal and incorrect compared to the primary diagnostic tool for confirming gallstones.
Choice B reason: Ultrasound is the most helpful test for confirming gallstones, offering high sensitivity and specificity without radiation. It visualizes stones clearly in the gallbladder, aligning with diagnostic guidelines, making it the correct choice for the nurse to identify as the primary radiographic test for gallstones.
Choice C reason: MRA focuses on vascular structures, not gallstones, and is irrelevant for gallbladder assessment. Ultrasound is the standard for gallstone confirmation, making this inappropriate and incorrect compared to the non-invasive, effective imaging method used in diagnosing gallbladder conditions.
Choice D reason: Abdominal x-rays detect only calcified gallstones, missing non-calcified ones, which are common. Ultrasound is more comprehensive, making this less reliable and incorrect compared to the preferred diagnostic test for accurately confirming gallstones in a clinical setting.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Four-point restraints increase agitation and risk injury in delirious patients, worsening confusion. Family presence calms and reorients, making this harmful and incorrect compared to the nurse’s goal of creating a safe, calming environment for the patient with delirium.
Choice B reason: Encouraging family members to stay provides familiarity and reassurance, reducing agitation in delirious patients. This aligns with delirium management guidelines, making it the correct intervention to create a calm and safe environment for the patient experiencing delirium in the hospital.
Choice C reason: A dark, quiet room may disorient delirious patients further, increasing confusion. Family presence offers comfort, making this counterproductive and incorrect compared to the nurse’s aim of fostering a supportive, orienting environment for the patient with delirium.
Choice D reason: High-dose sedatives risk oversedation and worsen delirium, not calming the patient safely. Family presence supports orientation, making this risky and incorrect compared to the nurse’s focus on non-pharmacological interventions to create a safe environment for the delirious patient.
Correct Answer is A
Explanation
Choice A reason: Difficulty speaking post-carotid artery angioplasty suggests a neurological complication, possibly stroke, requiring immediate intervention. This aligns with post-procedure neurological assessment priorities, making it the most concerning finding for the nurse to address urgently in the patient’s care.
Choice B reason: Fine crackles at lung bases may indicate fluid overload but are less urgent than speech difficulty, which suggests stroke. Neurological complications take precedence, making this secondary and incorrect compared to the nurse’s priority of addressing potential cerebral events post-procedure.
Choice C reason: A pulse of 102 beats/min is mildly elevated but less critical than speech difficulty, which may indicate a neurological event. Stroke risk is the primary concern, making this less urgent and incorrect compared to the nurse’s focus on neurological assessment post-angioplasty.
Choice D reason: Blood pressure of 144/86 mm Hg is elevated but within acceptable post-procedure ranges. Speech difficulty suggests a neurological issue, making this less concerning and incorrect compared to the nurse’s priority of evaluating potential stroke in the patient post-angioplasty.
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