The brainstem is formed by the medulla and cerebellum.
Answer the following statement true (T) or false (F)
False
Rationale: The brainstem is formed by the medulla, pons, and midbrain.
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Which of the following statements about the cauda equina is true?
A. It is a bundle of nerve fibers that occupies the vertebral canal from L2 to S5. B. It is synonymous with the medullary cone. C. It is part of the lumbar enlargement. D. It is a bundle of connective tissue fibers that extends from the medullary cone. E. It innervates structures of the anterior and medial thigh.
Myocardium (cardiac muscle tissue) must rhythmically contract for a lifetime. This requires a considerable amount of energy production by the cells. You would expect to see a relatively high amount of which organelle in these cells?
A) cytoskeleton B) smooth endoplasmic reticulum C) mitochondria D) lysosomes
Which organ is not considered an accessory digestive organ?
A. Teeth B. Salivary glands C. Tongue D. Pancreas E. Pharynx
Atelectasis occurs when:
A) the alveoli are overinflated and rupture. B) a deficiency of surfactant causes alveolar collapse. C) deoxygenated blood diffuses across the alveoli. D) surface tension on the alveolar walls is decreased.