The two principal divisions that make up the nervous system are the:
a. central and sympathetic
b. sympathetic and parasympathetic
c. peripheral and central
d. peripheral and autonomic
c. peripheral and central
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Muscles of the rotator cuff include all of the following except the
A) supraspinatus. B) infraspinatus. C) subscapularis. D) teres minor. E) rhomboid.
Anchoring filaments of the lymphoid system are attached to which structures?
a. Cords of Billroth in the spleen b. Macrophages of the red pulp of the spleen c. The capsule of lymph nodes d. The connective tissue surfaces of lymphatic capillaries e. Tips of valve leaflets in lymphatic vessels
Intramural ganglia would be found in the:
a. heart b. stomach c. urinary bladder d. all of the above
A skydiver's parachute fails to deploy. After some struggle, his reserve chute deploys in time to save his life. However, his landing is harder than normal and he feels his knee slightly hyperextend. He shakes it off and goes about his normal routine. Later that day he begins experiencing knee pain. Two days later he notices that his knee "pops" when he crouches and soon discovers he has dislocated his femur on the knee. What muscle was likely injured initially?
A. Soleus B. Sartorius C. Quadriceps femoris D. Tensor fasciae latae E. Popliteus