When the ventricles relax, the ________ valve prevents backflow of blood into the left ventricle
A) aortic B) left AV C) pulmonary D) mitral E) right AV
A
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Following an automobile accident a piece of metal penetrates into the pleural cavity causing a large gaping hole with resulting lung collapse. What condition is this?
A. Hemothorax B. Cystic fibrosis C. Pneumothorax D. Tension pneumothorax E. Bronchitis
The two major phases of swallowing include an involuntary buccal phase and a voluntary pharyngeal-esophageal phase
Indicate whether the statement is true or false
During a spinal tap, cerebrospinal fluid is obtained from which of the following locations?
A. dural sinus B. epidural space C. subarachnoid space D. subdural space E. sagittal sinus
Much of the endocrine system regulates itself through a process called ____.
A. negative feedback B. positive feedback C. reciprocal inhibition D. receptor inhibition