Which sphincter controls the opening from the esophagus to the stomach?
A. Cardiac
B. Gastric
C. Esophageal
D. Pyloric
Answer: A
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The skeleton of the heart consists of
A. fibrous connective tissue in the endocardium. B. fibrous connective tissue encircling the atrioventricular orifices. C. bone within the interatrial septum. D. bone within the myocardium.
What would you expect to be the result of an accident where a person severed the spinal cord at the level of T12?
A. Quadriplegia B. Hemiplegia C. Paraplegia D. Immediate death E. Paresis of the lower limbs
The autonomic nervous system controls all of the following except the __________.
A. adrenal gland B. smooth muscle in the walls of the aorta C. cardiac muscle in the right atrium D. skeletal muscle in the rectus abdominis E. parotid salivary gland
Each one of the coxal bones is formed by the fusion of ________ bones
A) 2 B) 3 C) 4 D) 5 E) 6