A patient is admitted to the hospital for a splenectomy. The nurse understands that the health-care provider prescribes an injection of vitamin K prior to surgery for which action?
To reduce risk of infection
To dry gastric secretions
To promote postoperative healing
To correct a clotting problem
The Correct Answer is D
A. While vitamin K plays a role in immune function, its administration prior to surgery primarily aims to correct potential clotting abnormalities rather than prevent infection.
B. Vitamin K does not affect gastric secretions. Its role in this context is unrelated to gastric function.
C. While vitamin K is involved in various physiological processes, its administration prior to surgery is primarily aimed at preventing bleeding complications by ensuring adequate clotting factor synthesis.
D. Vitamin K is essential for the synthesis of clotting factors in the liver.
Administering vitamin K prior to surgery helps ensure adequate levels of clotting factors, reducing the risk of bleeding during and after the procedure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Bright orange urine could be caused by certain medications, such as rifampicin and phenazopyridine or food dyes, such as those containing carotene.
B. This is because the obstruction of the bile duct leads to an accumulation of bilirubin in the blood, which is then excreted in the urine, giving it a darker color.
C. Pale yellow urine is indicative of normal urine coloration and is not specific to bile duct obstruction.
D. Red urine could indicate the presence of blood, which might suggest other conditions such as urinary tract infections or kidney stones, but not typically bile duct obstruction.
Correct Answer is C
Explanation
A. Jaundice is typically not visible in the webbed areas of the fingers.
B. The nail beds are part of the skin that can show jaundice, but they may also be affected by other factors such as anemia, cyanosis, or nail polish.
C. The hard palate is a part of the oral mucosa that can show jaundice, especially in clients with dark skin tones.
D. This is not an area that the nurse should inspect to monitor for the presence of jaundice in a client who is African American and has cholecystitis. The skin can show jaundice, but it may be difficult to detect in clients with dark skin tones.
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