The ________ is a large, saw-toothed, flat, fan-shaped muscle positioned between the ribs and the scapula.
A. serratus anterior
B. levator scapulae
C. subclavius
D. pectoralis minor
E. trapezius
Answer: A
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Beta-blockers ________.
A) increase a dangerously low heart rate B) decrease heart rate and blood pressure C) have widespread sympathetic effects D) are potent antidepressants
The primary source of RBCs in the adult human being is the bone marrow in the shafts of the long bones
Indicate whether the statement is true or false
Which two ligaments extend from the thyroid cartilage to the arytenoid cartilages?
A. Thyrohyoid and cricoids B. Cricoid and arytenoid C. Corniculate and cricoid D. Vestibular and vocal E. Laryngeal and corniculate
An increase in ________ action potential frequency results in a(n) ________ in blood pressure.
A. sympathetic; increase B. parasympathetic; decrease C. parasympathetic; increase D. sympathetic; decrease