Which of the following nerves innervates the diaphragm?
a. Glossopharyngeal
b. Phrenic
c. Seventh cranial
d. Vagus
ANS: B
Functionally, the diaphragm is divided into a right and left hemidiaphragm. Each hemidiaphragm is innervated by a phrenic nerve that arises from branches of spinal nerves C3, C4, and C5.
You might also like to view...
If a patient dies of natural causes while under his or her physician's care, who is responsible for completion of the medical portion of the death certificate?
A. morgue attendant B. attending physician C. medical examiner D. any health care practitioner in attendance at the time of death E. coroner
What are the "3 Ps" in the interview process?
A. Prepare, prepare, prepare B. Practice, promote, prepare C. Promote, promote, promote D. Practice, practice, practice
Which laboratory employee has the most education and is usually a consultant to other physicians?
a. pathologist b. MLS, medical laboratory scientist c. MLT, medical laboratory technician d. CLA, clinical laboratory assistant
Schedule IV controlled substances include drugs with
A) a high abuse potential and no accepted medical use B) a high abuse potential with a legitimate medical use C) a low abuse potential such as certain hypnotics and minor tranquilizers D) the lowest abuse potential such as some narcotic drugs generally for their antitussive properties