HESI Comprehensive Exam A Practice Questions & Answers

HESI Comprehensive Exam A Practice Questions & Answers 11. Which finding indicates a need to contact the health care provider before the nurse administers metformin (Glucophage)? a) The patient’s blood glucose level is 174 mg/dL. b) The patient is scheduled for a chest x-ray in an hour. c) The patient has gained 2 lb (0.9 kg) in the past 24 hours. d) The patient’s blood urea nitrogen (BUN) level is 52 mg/dL. ANS: D The BUN indicates possible renal failure, and metformin should not be used in patients with renal failure. The other findings are not contraindications to the use of metformin. 12. A patient who has diabetes and reported burning foot pain at night receives a new prescription. Which information should the nurse teach the patient about amitriptyline ? a) Amitriptyline decreases the depression caused by your foot pain. b) Amitriptyline helps prevent transmission of pain impulses to the brain. c) Amitriptyline corrects some of the blood vessel changes that cause pain. d) Amitriptyline improves sleep and makes you less aware of nighttime pain. ANS: B Tricyclic antidepressants (TCAs) decrease the transmission of pain impulses to the spinal cord and brain. TCAs also improve sleep quality and are used for depression, but that is not the major purpose for their use in diabetic neuropathy. The blood vessel changes that contribute to neuropathy are not affected by TCAs.