Nokea
A nurse is reviewing the laboratory data of a client who has acute pancreatitis. The nurse should expect to find an elevation of which of following values?
- A. Calcium
- B. RBC count
- C. Magnesium
- D. Amylase
Correct Answer: D
Rationale: The correct answer is D: Amylase. During acute pancreatitis, the pancreas becomes inflamed, leading to leakage of amylase into the bloodstream. Therefore, elevated levels of serum amylase are expected in clients with acute pancreatitis.
A: Calcium levels may be decreased in acute pancreatitis due to fat necrosis and calcium binding to free fatty acids.
B: RBC count is not typically affected in acute pancreatitis.
C: Magnesium levels may be normal or slightly decreased, but it is not a consistent finding in acute pancreatitis.
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The gallbladder contracts in response to
- A. vagal stimulation only.
- B. cholecystokinin and vagal stimulation.
- C. cholecystokinin and secretin.
- D. a low pH of chyme.
Correct Answer: B
Rationale: The gallbladder contracts in response to cholecystokinin and vagal stimulation. Cholecystokinin is released in response to the presence of fatty acids and amino acids in the duodenum, signaling the gallbladder to contract and release bile. Vagal stimulation also plays a role in gallbladder contraction by transmitting signals from the brain to the gallbladder. Secretin is primarily involved in stimulating pancreatic secretion, not gallbladder contraction. A low pH of chyme does not directly stimulate gallbladder contraction.
How will an obstruction at the ampulla of Vater affect the digestion of all nutrients?
- A. Bile is responsible for emulsification of all nutrients and vitamins.
- B. Intestinal digestive enzymes are released through the ampulla of Vater.
- C. Both bile and pancreatic enzymes enter the duodenum at the ampulla of Vater.
- D. Gastric contents can only pass to the duodenum when the ampulla of Vater is open.
Correct Answer: C
Rationale: The ampulla of Vater is the entry point for both bile and pancreatic enzymes essential for digesting all nutrients.
Which of the following statements is TRUE? The protein FOXO1:
- A. activates (increases the expression of) genes related to greater longevity
- B. is activated by caloric restriction
- C. is deactivated by increased insulin signalling
- D. all of the above are true
Correct Answer: D
Rationale: Step-by-step rationale:
1. FOXO1 activates genes related to greater longevity by regulating stress responses and promoting cell survival.
2. Caloric restriction activates FOXO1 to promote cellular stress resistance and increase lifespan.
3. Increased insulin signaling deactivates FOXO1, leading to decreased stress resistance and potentially shorter lifespan.
4. Therefore, all the statements (A, B, and C) are true regarding the protein FOXO1. It plays a crucial role in longevity through gene regulation, is activated by caloric restriction, and is deactivated by increased insulin signaling.
You are caring for a client with a nasogastric (NG) tube. Which task can be delegated to the experienced nursing assistant?
- A. Remove the NG tube per physician order.
- B. Secure the tape if the client accidentally dislodges the tube.
- C. Disconnect the suction to allow ambulation to the toilet.
- D. Reconnect the suction after the client has ambulated.
Correct Answer: B
Rationale: Securing the tape is a non-invasive task within the scope of a nursing assistant. Removing or reconnecting requires nursing assessment and should be done by licensed staff.
Which finding by the nurse during abdominal auscultation indicates a need for a focused abdominal assessment?
- A. Loud gurgles
- B. High-pitched gurgles
- C. Absent bowel sounds
- D. Frequent clicking sounds
Correct Answer: C
Rationale: The correct answer is C, absent bowel sounds. Absence of bowel sounds may indicate a serious issue requiring further assessment. Normal bowel sounds include soft gurgles and clicks, so choices A, B, and D are variations of normal findings and do not necessarily indicate a need for further assessment. Absent bowel sounds could indicate bowel obstruction, peritonitis, or ischemia, warranting a focused abdominal assessment to determine the underlying cause.