Nokea
Which of the following tubes is surgically inserted into the abdomen but goes to the small intestine?
- A. Orogastric tube
- B. Nasogastric tube
- C. Jejunostomy tube
- D. Gastrostomy tube
Correct Answer: C
Rationale: A jejunostomy tube is placed directly into the small intestine for enteral feeding in clients who cannot tolerate gastric feedings.
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The aqueous component of pancreatic juice is produced by the
- A. intercalated duct.
- B. pancreatic islets.
- C. acinar cells.
- D. duodenum.
Correct Answer: A
Rationale: The correct answer is A: intercalated duct. The aqueous component of pancreatic juice is produced by intercalated ducts, which are responsible for secreting bicarbonate-rich fluid to neutralize the acidic chyme entering the duodenum. Other choices are incorrect because pancreatic islets (B) secrete hormones like insulin and glucagon, acinar cells (C) secrete digestive enzymes, and the duodenum (D) is the first part of the small intestine where pancreatic juice is delivered but not where it is produced.
The portion of a tooth which lies within the mandible socket is called the _____.
- A. dentin
- B. crown
- C. root
- D. cementum
Correct Answer: C
Rationale: The correct answer is C: root. The root of a tooth is the portion that lies within the mandible socket, anchoring the tooth in place. The root helps support the tooth and allows for the transfer of nutrients. Dentin (A) is the hard tissue beneath the enamel, crown (B) is the visible part of the tooth above the gumline, and cementum (D) covers the root surface but is not the portion within the mandible socket.
When teaching a patient about weight reduction diets
- A. the nurse teaches the patient that an appropriate single serving of a food is
- B. a 6-inch bagel.
- C. 1 cup of chopped vegetables.
- D. a piece of cheese the size of three dice.
Correct Answer: D
Rationale: A serving of protein is typically the size of a deck of cards (approximately 3-4 oz), which helps patients understand appropriate portion sizes.
The home health nurse is caring for a patient with tuberculosis who is taking rifampin and isoniazid (INH). The nurse should carefully monitor the patient for which potential side effect?
- A. Gallstones
- B. Liver disorders
- C. Bleeding ulcers
- D. Esophagitis
Correct Answer: B
Rationale: The correct answer is B: Liver disorders. Rifampin and isoniazid are known to cause hepatotoxicity as a potential side effect. The combination of these two medications can lead to liver damage, making it crucial for the nurse to monitor liver function tests regularly. Gallstones (A), bleeding ulcers (C), and esophagitis (D) are not typically associated with rifampin and isoniazid therapy. Monitoring for liver disorders is essential due to the risk of hepatotoxicity with these medications.
Your physician measures your blood pressure as 120/110. What SHOULD be your response?
- A. you're not concerned because the higher of the two numbers is normal
- B. you're concerned because the diastolic number indicates your heart will have to work harder
- C. you're not concerned because these numbers mean nothing in terms of heart function
- D. you're concerned because the systolic number is too low and your cardiac output will decrease
Correct Answer: B
Rationale: The correct answer is B: you're concerned because the diastolic number indicates your heart will have to work harder. This is because the diastolic number (110) represents the pressure in the arteries when the heart is at rest between beats, which should ideally be below 80. A high diastolic pressure indicates increased resistance in the arteries, making the heart work harder to pump blood. The systolic number (120) being within the normal range is not as concerning as the elevated diastolic pressure.
Summary:
- Choice A is incorrect because the diastolic number being high is a cause for concern.
- Choice C is incorrect as blood pressure numbers are crucial indicators of heart function.
- Choice D is incorrect as the systolic number being low is not the primary concern in this case.