When the nurse is administering topical nitroglycerin ointment, which technique is correct?
a. Apply the ointment on the skin on the forearm.
b. Apply the ointment only in the case of a mild angina episode.
c. Remove the old ointment before new ointment is applied.
d. Massage the ointment gently into the skin, and then cover the area with plastic wrap.
ANS: C
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A patient is recovering in the CCU following off-pump coronary artery bypass graft (OPCABG) surgery involving the internal mammary artery graft. What nursing intervention is most important for the first 48 hours following surgery for this patient?
A) Administration of anticoagulant therapy B) Administration of calcium channel blockers C) Monitoring of fluid status D) Assessment for hematoma
The nurse is caring for a woman who has a cyst in her breast that was found at her recent mammogram. The physician wants to make sure that the cyst is not malignant. Which test will be used to determine this?
a. Needle aspiration with biopsy b. Paracentesis c. Thoracentesis d. Fiberoptic endoscopy
What is the significance of a diagnostic test with a large positive likelihood ratio?
a. It provides only limited predictive value for disease. b. It provides a high degree of certainty that the patient has the suspected disorder. c. It mandates other supportive diagnostic tests. d. It provides little assistance in clinical decision making.
The major function of the large intestine is:
a. water absorption. b. food digestion. c. carbohydrate absorption. d. glucose storage.