Which of the following statements regarding the dermis is correct?
A. The dermis produces a substance that provides color to the skin.
B. The dermis contains hair follicles, sweat glands, and nerve endings.
C. The cells of the dermis are worn away and are constantly replaced.
D. The dermis lies above the germinal layer and provides protection.
Answer: B. The dermis contains hair follicles, sweat glands, and nerve endings.
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The nail plate is produced by
A. melanocytes. B. specialized epithelial cells. C. bone cells. D. fibroblasts.
The parasympathetic division is also known as the
A. Craniosacral division B. Enteric division C. Thoracolumbar division D. Cervicothoracic division
Which process, known as intestinal churning, involves a squeezing motion of the circular layer of smooth muscle in the small intestine?
A) defecation B) deglutition C) peristalsis D) segmentation
Which of the following movements does not occur at the knee joint?
A. flexion B. rotation C. abduction D. extension E. All occur at the knee.