What is the crista ampullaris associated with?
A. Dynamic equilibrium in angular acceleration
B. Hearing high-pitch sounds
C. Vision related to color
D. Static equilibrium when standing still
E. Static acceleration in linear acceleration
Answer: A
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The general senses
A) involve receptors that are relatively simple in structure. B) are located in specialized structures called sense organs. C) are localized to specific areas of the body. D) cannot generate action potentials. E) include taste and smell.
Which vessel is guarded by a semilunar valve at its base?
A) superior vena cava B) pulmonary trunk C) pulmonary vein D) coronary sinus
Weibel-Palade bodies containing the procoagulant protein von Willebrand's factor are found in:
a. Endothelial cells of the tunica intima b. Fibroblasts of the tunica adventitia c. Macrophages of the tunica intima d. Nerve endings in the tunica adventitia e. Smooth muscle cells of the tunica media
Normal whole blood contains ________ g of hemoglobin per 100 mL
A) 4-8 B) 12-18 C) 15-20 D) 30-35 E) 42-48