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.
A. It is a bundle of nerve fibers that occupies the vertebral canal from L2 to S5.
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A family of peptides called ________ are released by the endothelium and are among the most potent vasoconstrictors known.
Fill in the blank(s) with the appropriate word(s).
Parietal cells secrete intrinsic factor and
A) pepsinogen. B) gastric lipase. C) pancreatic amylase. D) hydrochloric acid. E) cholecystokinin.
The ABO and Rh blood types are inherited independently of each other.
Answer the following statement true (T) or false (F)
The spinal cord is part of the central nervous system
Indicate whether this statement is true or false.