Which of the following is considered the highest level of evidence?
1. Randomized controlled trials
2. Clinical expertise
3. Nonresearch evidence
4. Case studies
1
Randomized controlled trials are considered to provide the highest level of evidence.
You might also like to view...
What is the responsibility of the nurse as a witness to informed consent?
a. Explain the surgical options b. Explain the operative risks c. Verify/obtain the patient's signature d. Verify the patient's understanding of the procedure
A client's leg was pinned under a piece of heavy equipment in the workplace for several hours, during which he was in severe pain. The physiologic response that the occupational health nurse could have assessed in this situation is
a. a wide pulse pressure. b. constricted pupils. c. dry, cold skin. d. tachycardia.
Which of the following statements is true of prostaglandins?
A. Prostaglandins cause bronchodilation. B. Aspirin inhibits the formation of prostaglandins. C. Prostaglandins are derived from eosinophils. D. Whenever there is injury to body tissue, prostaglandins are rapidly released from mast cells.
Hair follicles, sebaceous and sweat glands, and sense receptors are contained in the
A. epidermis. B. peridermis. C. subcutaneous layer. D. dermis.