The phrenic nerve arises from which plexus?
A. Cervical
B. Brachial
C. Lumbar
D. Sacral
E. Pelvic
A. Cervical
You might also like to view...
ATP is the body's most important form of long-term energy storage.
Answer the following statement true (T) or false (F)
Dermatomal maps are important clinically because they
A. indicate what muscles are innervated by each spinal nerve. B. locate the position of cranial nerves. C. can be used to check for motor function. D. can be used to detect cranial nerve damage. E. can be used to help locate nerve damage.
Axon endings contain acetylcholinesterase?
a. true b. false
Matching
A) C B) E C) D D) A E) B 1) Produces ATP aerobically. 2) Site of enzymatic breakdown of phagocytized material. 3) Packages proteins for insertion in the cell membrane or for exocytosis. 4) Site of synthesis of lipid and steroid molecules. 5) Forms the mitotic spindle. 6) Replicate for cell division. 7) When ruptured it releases the enzymes responsible for autolysis.