Nokea
Which of these enzymes is responsible for digesting proteins?
- A. amylase
- B. lipase
- C. trypsin
- D. sucrase
Correct Answer: C
Rationale: The correct answer is C: trypsin. Trypsin is responsible for digesting proteins as it specifically breaks down proteins into smaller peptides. Amylase (A) digests carbohydrates, lipase (B) breaks down fats, and sucrase (D) digests sucrose, a type of sugar. Trypsin is produced by the pancreas and plays a crucial role in protein digestion in the small intestine. Its specificity for proteins makes it the correct enzyme for this function.
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Bile facilitates digestion by causing the _____ of fats.
- A. hydrolysis
- B. digestion
- C. catalysis
- D. emulsification
Correct Answer: D
Rationale: Bile facilitates digestion by emulsifying fats, breaking them down into smaller droplets for better absorption. Emulsification increases the surface area of fats for enzymes to work on. Hydrolysis (A) is the breakdown of molecules by adding water, not specific to fats. Digestion (B) is a general term encompassing all processes, not specific to fats. Catalysis (C) refers to the process of speeding up chemical reactions but doesn't specifically relate to fats like emulsification does.
A male client with a recent history of rectal bleeding is being prepared for a colonoscopy. How should the nurse position the client for this test initially?
- A. Lying on the right side with legs straight
- B. Lying on the left side with knees bent
- C. Prone with the torso elevated
- D. Bent over with hands touching the floor
Correct Answer: B
Rationale: The correct answer is B: Lying on the left side with knees bent. This position allows for better visualization and access to the colon during the colonoscopy procedure. By lying on the left side, the client's colon is in a more optimal position for the scope to navigate through the colon. Additionally, bending the knees helps to relax the abdominal muscles and make the procedure more comfortable for the client.
Incorrect choices:
A: Lying on the right side with legs straight - This position does not provide optimal access to the colon and may make the procedure more difficult.
C: Prone with the torso elevated - This position is not suitable for a colonoscopy as it does not allow for proper access to the colon.
D: Bent over with hands touching the floor - This position is not recommended for a colonoscopy as it is not conducive to the procedure and may cause discomfort for the client.
A 25-yr-old male patient calls the clinic reporting diarrhea for 24 hours. Which action should the nurse take first?
- A. Inform the patient that testing of blood and stools will be neede
- C. Suggest that the patient drink clear liquid fluids with electrolytes.
- D. Ask the patient to describe the stools and any associated symptoms.
Correct Answer: D
Rationale: The correct answer is D because asking the patient to describe the stools and associated symptoms helps the nurse gather important information for assessment. Understanding the frequency, consistency, color, and presence of blood in the stools can help determine the severity and potential causes of diarrhea. This information guides the nurse in deciding the appropriate next steps for care. Option A is incorrect as testing should be based on assessment findings. Option C is premature without assessing the patient first. Option B lacks relevance to the assessment process.
Which one of the following does not occur during swallowing?
- A. The larynx raises.
- B. The epiglottis moves anteriorly to close the glottis.
- C. The uvula and soft palate move inferiorly to block the oropharynx.
- D. The vestibular folds move medially.
Correct Answer: C
Rationale: The correct answer is C because the uvula and soft palate actually move superiorly, not inferiorly, during swallowing to close off the nasopharynx and prevent food or liquid from entering the nasal cavity. A) The larynx raises to prevent food from entering the trachea. B) The epiglottis moves anteriorly to cover the glottis and prevent aspiration. D) The vestibular folds move laterally to help seal off the airway during swallowing.
The patient has peritonitis, which is a major complication of appendicitis. What treatment will the nurse plan to include?
- A. Peritoneal lavage
- B. Peritoneal dialysis
- C. IV fluid replacement
- D. Increased oral fluid intake
Correct Answer: C
Rationale: The correct answer is C: IV fluid replacement. IV fluids are essential in managing peritonitis to maintain hydration and electrolyte balance. It helps to support the patient's circulation and prevent shock. Peritoneal lavage (choice A) is not typically used in the treatment of peritonitis. Peritoneal dialysis (choice B) is used for kidney failure, not peritonitis. Increased oral fluid intake (choice D) may not be sufficient in cases of peritonitis where IV fluids are needed for rapid rehydration and support.