Which imaging technique uses endoscopy combined with radiographic images to examine the bile and pancreatic ducts?
Percutaneous Transhepatic Cholangiography (PTC)
Endoscopic Ultrasound (EUS)
Magnetic Resonance Cholangiopancreatography (MRCP)
Endoscopic Retrograde Cholangiopancreatography (ERCP)
The Correct Answer is D
Rationale:
A. Percutaneous Transhepatic Cholangiography (PTC) involves inserting a needle through the skin into the liver to visualize bile ducts, not using endoscopy.
B. Endoscopic Ultrasound (EUS) uses an endoscope with ultrasound to image structures near the GI tract but does not combine with radiographic imaging of the ducts.
C. Magnetic Resonance Cholangiopancreatography (MRCP) uses MRI to noninvasively visualize bile and pancreatic ducts, without endoscopy.
D. Endoscopic Retrograde Cholangiopancreatography (ERCP) combines endoscopy with radiographic imaging to examine the bile and pancreatic ducts, allowing both diagnosis and therapeutic interventions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["15"]
Explanation
Rationale:
Desired dose = 15 mg
Available concentration = 5 mg per 5 mL = 1 mg/mL
Volume needed = Desired dose ÷ Concentration = 15 mg ÷ 1 mg/mL = 15 mL
Rounded to nearest whole number = 15 mL
Final Answer: 15 mL
Correct Answer is C
Explanation
Rationale:
A. An obstruction of the common bile duct causes dark amber or tea-colored urine due to increased bilirubin excretion.
B. The gallbladder and common bile duct are located in the right upper quadrant, so pain is typically felt there.
C. Obstruction of the common bile duct prevents bile from reaching the intestines, impairing fat digestion and absorption, leading to steatorrhea (fatty, foul-smelling stools).
D. Ecchymosis is not a typical sign of common bile duct obstruction. It may indicate coagulation disorders, but it is unrelated to chronic cholecystitis.
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