Several esophageal branches emerge off of which of the following vessels?
A. Celiac trunk
B. Bronchial arteries
C. Left gastric artery
D. Superior mesenteric artery
D
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The membranes that line joint cavities and help reduce friction are called ________.
Fill in the blank(s) with the appropriate word(s).
Bradycardia that occurs shortly after you have dressed and bandaged an open neck wound is MOST likely the result of:
A) decreased vagal tone secondary to direct injury to the vagus nerve. B) decreased venous return from the brain and an increase in intracranial pressure. C) an acute pulmonary embolism due to the entrainment of air into one of the jugular veins. D) parasympathetic nervous system stimulation due to excessive pressure on the carotid artery.
Voluntary motor impulses leave the spinal cord via the ________ of gray matter.
A. anterior column B. posterior column C. anterior horn D. lateral horn E. posterior horn
Plasma clearance is the
a. time required to filter blood in the glomerulus b. amount of a substance appearing in the urine in one minute c. amount of a substance that is filtered in one minute d. amount of a substance secreted in one minute e. volume of plasma cleared of a substance by the kidneys in one minute