The primary wave of peristalsis in the esophagus is initiated by the ____________________. If this primary wave fails to push the bolus to the stomach, a secondary peristaltic wave is initiated by the ____________________
Fill in the blank(s) with correct word
swallowing center, intrinsic nerve plexus
Anatomy & Physiology
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A. uric acid. B. cholesterol. C. calcium salts. D. bile pigments.
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Which of the following is the active form of calcitriol?
A) calcium B) vitamin A C) vitamin C D) vitamin D E) sodium
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Which of the following is an example of a sensory pathway?
a. reticulospinal tract b. spinocerebellar tract c. corticobulbar tract d. tectospinal tract
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The median space in the thoracic cavity is called the
A. mediastinum. B. pericardial cavity. C. hypochondriac space. D. pleural cavity. E. peritoneal cavity.
Anatomy & Physiology