Nokea
A client is prescribed metformin for the management of type 2 diabetes. What is the primary action of this medication?
- A. Stimulates insulin secretion from the pancreas.
- B. Increases insulin sensitivity in various tissues.
- C. Decreases hepatic glucose production.
- D. Delays absorption of glucose from the intestines.
Correct Answer: C
Rationale: The correct answer is C: Decreases hepatic glucose production. Metformin primarily works by reducing the production of glucose in the liver (hepatic glucose production) and by improving insulin sensitivity in various tissues. Choice A is incorrect as metformin does not stimulate insulin secretion from the pancreas. Choice B is incorrect as metformin increases insulin sensitivity in various tissues, not just muscle cells. Choice D is incorrect as metformin does not delay glucose absorption from the intestines.
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After placing a client at 26-weeks gestation in the lithotomy position, the client complains of dizziness and becomes pale and diaphoretic. What action should the nurse implement?
- A. Instruct the client to take deep breaths.
- B. Place a wedge under the client's hip.
- C. Place the client in the Trendelenburg position.
- D. Remove the client's legs from the stirrups.
Correct Answer: B
Rationale: Placing a wedge under the client's hip is the correct action in this scenario. This helps relieve the pressure on the vena cava, which can become compressed in the lithotomy position during pregnancy, improving circulation and reducing symptoms like dizziness and pallor. Instructing the client to take deep breaths (Choice A) may not address the underlying cause of the symptoms. Placing the client in the Trendelenburg position (Choice C) would worsen the situation by further compressing the vena cava. Removing the client's legs from the stirrups (Choice D) may provide temporary relief but does not address the root cause of the issue.
Following an open reduction of the tibia, the nurse notes fresh bleeding on the client's cast. What intervention should the nurse implement?
- A. Assess the client's hemoglobin levels to determine if the client is in shock
- B. Call the surgeon and prepare to take the client back to the operating room
- C. Outline the area with ink and check it every 15 minutes to monitor for changes in bleeding
- D. No action is required as postoperative bleeding can be expected
Correct Answer: C
Rationale: In this scenario, the correct intervention is to outline the area with ink and check it every 15 minutes to monitor for changes in bleeding. This approach helps in assessing the extent and progression of the bleeding. Option A is incorrect because assessing hemoglobin levels would not provide immediate information on the ongoing bleeding. Option B is premature without first monitoring the bleeding site. Option D is incorrect because although some postoperative bleeding can be expected, fresh bleeding on the cast warrants immediate monitoring and evaluation.
A client with a diagnosis of chronic heart failure is receiving digoxin. What is the most important assessment before administering this medication?
- A. Check blood pressure.
- B. Assess heart rate.
- C. Monitor respiratory rate.
- D. Measure oxygen saturation.
Correct Answer: B
Rationale: The correct answer is to assess the heart rate. Before administering digoxin, it is essential to evaluate the heart rate as digoxin can cause bradycardia. While checking blood pressure, monitoring respiratory rate, and measuring oxygen saturation are important assessments in the care of a client with chronic heart failure, assessing the heart rate is particularly critical due to the medication's potential impact on heart rhythm.
The nurse is caring for a client with chronic liver disease. Which lab value is most concerning?
- A. Elevated AST and ALT
- B. Decreased albumin level
- C. Elevated bilirubin level
- D. Prolonged PT/INR
Correct Answer: D
Rationale: The correct answer is D, prolonged PT/INR. In a client with chronic liver disease, a prolonged PT/INR is the most concerning lab value. This indicates impaired liver function, leading to a higher risk of bleeding. Elevated AST and ALT (choice A) are indicators of liver damage but do not directly assess the risk of bleeding. Decreased albumin level (choice B) reflects impaired liver function but is not as directly related to bleeding risk as a prolonged PT/INR. Elevated bilirubin level (choice C) is a sign of liver dysfunction, specifically related to bile metabolism, and while important, it is not as directly associated with bleeding risk as a prolonged PT/INR in the context of chronic liver disease.
The nurse is assessing a newborn and notes that the infant has a yellowish tint to the skin. What should the nurse do next?
- A. Reassure the parents that this is normal
- B. Monitor the infant's bilirubin levels
- C. Increase the frequency of feedings
- D. Administer phototherapy
Correct Answer: B
Rationale: When a newborn presents with a yellowish tint to the skin, it can indicate jaundice, which is caused by elevated bilirubin levels. Monitoring the infant's bilirubin levels is crucial to assess the severity of jaundice and determine the need for further intervention. Reassuring the parents without proper assessment could lead to delayed treatment if jaundice is present. Increasing the frequency of feedings may not address the underlying cause of jaundice. Administering phototherapy is a treatment option that should be based on bilirubin level assessment and healthcare provider's recommendation.