Identify the primary mechanism of action of digoxin.
A. Blockade of angiotensin receptors
B. Blockade or norepinephrine receptors
C. Release of nitric oxide
D. Increase of myocardial contraction
Answer: D
You might also like to view...
Mr. L is having a myelogram study to evaluate his back pain. Appropriate nursing care would include all of the following except
A) keeping the head of the bed elevated at least 30 to 45 degrees. B) restricting fluids. C) avoiding phenothiazine medications. D) assuring liberal fluid intake.
A resident gets the house diet. Which is correct?
a. The person has no dietary limits or re-strictions. b. The person eats whatever is served. c. The person has no choice in the food served. d. The person takes part in a social dining program.
A nurse reads a tuberculin skin test on a patient and notes a 6 to 7 mm area of induration. The patient is a young adult who has recently immigrated from a country with a high prevalence of tuberculosis
The patient has no other risk factors. The nurse will expect the provider to: a. begin treating this patient with a two-drug regimen of isoniazid and rifampin. b. order a chest radiograph and a sputum culture to assess for active tuberculosis. c. order a nucleic acid amplification test of the patient's sputum. d. reassure the patient that this is not considered a positive test result.
A patient who is recovering from an infectious process has a poor appetite. Which nutrient is of utmost importance to support the healing process?
A. Fats B. Water C. Protein D. Carbohydrates