A client is admitted to the hospital after vomiting bright red blood and is diagnosed with a bleeding duodenal ulcer. The client develops a sudden, sharp pain in the mid epigastric region along with a rigid, board-like abdomen. These clinical manifestations are most likely indicative of which of the following?

The esophagus has become inflamed

An intestinal obstruction has developed

Additional ulcers have developed

The ulcer has perforated

Answer and Explanation

The Correct Answer is D

A. Inflammation of the esophagus (esophagitis) may cause symptoms like heartburn or dysphagia, but it would not explain the sudden, sharp pain or rigid abdomen seen with a perforated ulcer.
B. An intestinal obstruction can cause abdominal pain and distension, but the rigid, board-like abdomen is more characteristic of peritonitis from a perforated ulcer, not an obstruction.
C. Additional ulcers could cause pain and bleeding, but they would not explain the sudden, sharp pain and rigid abdomen that typically result from perforation.
D. The sudden onset of sharp, severe pain in the mid epigastric area, along with a rigid, board-like abdomen, are hallmark signs of a perforated ulcer, which causes peritonitis. This is a medical emergency, as the perforation allows gastric contents to leak into the peritoneal cavity, leading to widespread infection.

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Correct Answer is ["0.4"]

Explanation

Volume (mL) = Desired dose (mg) / Concentration (mg/mL)

In this case:

Desired dose = 35 mg
Concentration = 75 mg/mL

Plugging the values into the formula:

Volume = 35 mg / 75 mg/mL = 0.4 mL

Correct Answer is ["0.5"]

Explanation

Number of tablets = Desired dose (mg) / Tablet strength (mg/tablet)

In this case:

Desired dose = 25 mg

Tablet strength = 50 mg/tablet

Plugging the values into the formula:

Number of tablets = 25 mg / 50 mg/tablet = 0.5 tablets

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer meperidine 35 mg IM to a client every 6 hr PRN for pain. Available is meperidine injection 75 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.4"]

Explanation

A nurse is preparing to administer atenolol 25 mg PO every 12 hr. The amount available is atenolol 50 mg/tab. How many tablets should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.5"]

Explanation

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