How does the muscularis layer of the esophagus differ from the rest of the digestive tract?
A. it is all skeletal muscle
B. the superior part is skeletal muscle
C. the inferior part is skeletal muscle
D. it has alternating smooth and skeletal muscle sections
B
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Which condition is characterized by an increase in the thoracic curve of the vertebral column?
a) herniated disc b) scoliosis c) kyphosis d) lordosis e) spina bifida
Gray matter is composed mostly of
A. myelinated axons. B. cell bodies and dendrites. C. tracts.
If a graded potential is large enough, it can initiate an action potential before the graded change dies off
a. True b. False Indicate whether the statement is true or false
As the ________ nerve approaches the knee, it divides into two branches, the fibular nerve and the tibial nerve
A) perineal B) femoral C) brachial D) pudendal E) sciatic