For patients receiving __________ only, assign and report first the appropriate code from ICD-10-CM subcategory Z01.81 (encounter for preprocedural examinations), to describe the preoperative consultations

Which of the following statements is true concerning nutrition of articular cartilage?

a. Articular cartilage can easily repair itself due to its very efficient and effective nutritional system. b. Nutrients are found in large proportions in the more superficial layers of articular cartilage. c. Nutrients from synovial fluid can pass into articular cartilage when external pressure is applied. d. All forms of joint loading will cause poor nutrition to articular cartilage.

Which characteristics are associated with REM sleep?

1. Lower level tonic activity 2. High-voltage, low-frequency waves on an electroencephalogram 3. Absence of tonic activity on an electromyogram 4. Often absent responsiveness to external stimuli a. 1 and 2 c. 1, 2, and 4 b. 3 and 4 d. 2, 3, and 4