____________________ cells form myelin around neurons in the peripheral nervous system
Fill in the blank(s) with correct word
Schwann
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Which of the following is not true regarding rheumatoid arthritis?
A. It is associated with rheumatoid factor (an autoantibody). B. It affects 85% of people older than 70. C. It may lead to ankylosis. D. The synovial membrane thickens. E. The articular cartilage degenerates.
Brain waves that generally appear during periods of sensory input and mental activity are called
a) alpha waves. b) beta waves. c) theta waves. d) delta waves. e) P waves.
Carboxypeptidase is an enzyme that helps digest
A. peptides within the small intestine. B. starch within the stomach. C. disaccharides within the duodenum. D. amino acids within the stomach. E. complex carbohydrates within the small intestine.
What are epidermal derivatives?
A) Epidermal derivatives are pigment molecules produced by the epidermis, including carotene and melanin. B) Epidermal derivatives are the different cell types found in the epidermis, including epithelial cells and melanocytes. C) Epidermal derivatives are chemicals produced by the epidermis, such as heparin and prostaglandins. D) Epidermal derivatives are secretions produced by the epidermis, including sweat and sebum. E) Epidermal derivatives are accessory structures that originate from the epidermis during embryonic development, including hair follicles, sebaceous and sweat glands, and nails.