The common pathway of coagulation begins with the
A) sticking of platelets to damaged tissue.
B) activation of a proenzyme exposed to collagen.
C) release of tissue factor by damaged endothelium.
D) conversion of Factor X to prothrombin activator.
E) conversion of fibrinogen to fibrin.
Answer: D
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Which is not correct regarding the femur?
A. The condyles are located at the distal end of the bone. B. In anatomic position, the femur is angled medially. C. The head of the femur articulates with the acetabulum. D. The intercondylar fossa is located on the anterior surface of the bone. E. The depression in the head of the femur is called the fovea.
Lymph can:
a. carry cancer cells that can be trapped in lymph nodes b. be a possible route for the spread of cancer c. carry bacteria to lymph nodes d. all of the above
Accommodation
a. is the processes focusing the visual image on the retina. b. occurs in fish by moving the lens either forward or backward. c. can be accomplished by changing the fluid volume in the optic chamber . d. only two of these. e. all three of these.
The _________ division of the nervous system conducts actions potentials from the central nervous system to cardiac muscle.
A) afferent B) autonomic C) sensory D) somatic