The MD schedules an ultrasonic lithotripsy.
Choose the correct description of this procedure.
An incision into the renal pelvis for stone removal.
An incision into the kidney to remove a stone.
A procedure used to break up stones, thus allowing them to pass from the urinary tract.
A minimally invasive technique using laser technology to fragment stones.
The Correct Answer is C
Choice A rationale
Incisions into the renal pelvis for stone removal describe open surgical methods, not ultrasonic lithotripsy. This invasive approach is reserved for cases where less invasive techniques fail or stones are inaccessible through standard methods. Lithotripsy avoids direct incisions, utilizing external energy for stone fragmentation.
Choice B rationale
Kidney incisions for stone removal align with nephrolithotomy procedures rather than ultrasonic lithotripsy. This alternative represents open surgical intervention, distinct from non-invasive lithotripsy technologies. Lithotripsy eliminates stones using sound waves or lasers, reducing surgical risks and recovery times.
Choice C rationale
Ultrasonic lithotripsy employs high-frequency sound waves to break stones into small fragments. This minimally invasive method allows natural passage through the urinary tract or facilitates removal via catheterization. It reduces complications compared to invasive surgeries and is highly effective for calculi management.
Choice D rationale
Laser fragmentation techniques differ from ultrasonic lithotripsy, involving concentrated light energy to break stones. While both are minimally invasive, ultrasonic methods utilize sound waves rather than light energy for disintegration. This technical distinction outlines lithotripsy's use of external sound waves for stone management.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
X-rays are commonly used to diagnose osteoarthritis as they effectively visualize joint space narrowing, osteophyte formation, and subchondral sclerosis, which are characteristic of OA. These imaging findings assist in confirming the diagnosis and assessing disease progression.
Choice B rationale
Lithography is not a diagnostic tool used for OA. It primarily refers to a printing method and has no relevance to imaging joints affected by osteoarthritis or diagnosing the condition scientifically.
Choice C rationale
Ultrasound can visualize soft tissues but is not routinely used for OA diagnosis. It does not provide the detailed assessment of joint degeneration seen in X-rays, making it less appropriate for identifying OA-related changes.
Choice D rationale
Echocardiograms are used to assess heart function and have no application in diagnosing osteoarthritis. They are irrelevant in imaging joint structures or evaluating degenerative joint diseases scientifically. .
Correct Answer is C
Explanation
Choice A rationale
Glucagon IM is inappropriate for a glucose of 85 mg/dL, which is within normal preprandial ranges of 70-100 mg/dL. It is reserved for severe hypoglycemia with symptoms like unconsciousness.
Choice B rationale
Calling the MD is unnecessary when blood glucose is in the normal range and the patient is symptomatic. Nutritional intake is the next logical step in management.
Choice C rationale
Holding insulin and allowing the patient to eat is appropriate for 85 mg/dL. Nutritional intake stabilizes glucose levels, maintaining euglycemia without risking hypoglycemia from insulin.
Choice D rationale
Administering 10 units of Humalog risks causing hypoglycemia, as this dose is excessive for a glucose level of 85 mg/dL. Insulin use is not indicated here.
Choice E rationale
Administering dextrose IVP unnecessarily increases glucose levels. It is inappropriate unless the patient is symptomatic and glucose levels drop below 70 mg/dL.
Choice F rationale
Administering 7 units of Humalog risks hypoglycemia for a glucose level of 85 mg/dL, as the dose is excessive and unnecessary without elevated glucose.
Choice G rationale
Administering 5 units of Humalog poses a risk for hypoglycemia and is not indicated with normal glucose levels. Nutritional intake alone suffices.
Choice H rationale
Administering 15 units of Humalog is inappropriate and dangerous for a normal glucose level, as it likely induces hypoglycemia. Insulin use should be avoided here. .
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