A nurse is providing teaching to a newly licensed nurse about metoclopramide. The nurse should include in the teaching that which of the following conditions is a contraindication to this medication? 1. Hyperthyroidism 2. Intestinal obstruction 3. Glaucoma 4. Low blood pressure A nurse is teaching a newly licensed nurse about contraindications to ceftriaxone. The nurse should include a severe allergy to which of the following medications is a contraindication to ceftriaxone? 1. Gentamicin 2. Clindamycin 3. Piperacillin 4. Sulfamethoxazole-trimethoprim A nurse is caring for a client who has a new diagnosis of oral candidiasis after taking tetracycline for 7 days. The nurse should recognize that candidiasis is a manifestation of which of the following adverse effects? 1. Allergic response 2. Superinfection 3. Renal toxicity 4. Hepatotoxicity A nurse is reviewing the laboratory values for a client who is receiving a continuous IV heparin infusion and has an aPTT of 90 seconds. Which of the following actions should the nurse prepare to take? 1. Administer vitamin K 2. Reduce the infusion rate 3. Give the client a low-dose aspirin 4. Request an INR Final practice a nurse is planning to administer diltiazem via IV bolus to a client who has atrial fibrillation. When assessing the client, the nurse should recognize that which of the following findings is a contraindication to administration of diltiazem?