The resting potential of a neuron is
A) 0 mV.
B) +10 mV.
C) -70 mV.
D) -10 mV.
E) +70 mV.
C) -70 mV.
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Answer the following statements true (T) or false (F)
1. The matrix of the blood, which has a density only slightly greater than water is called serum. 2. Blood cells and blood cell components suspended in the matrix are collectively called the formed elements. 3. Small packets of cytoplasm that contain enzymes and factors important in blood clotting are called platelets. 4. Neutrophils are the most abundant formed elements in the blood. 5. Platelets are components of the immune system.
The residual volume is
a. important in helping prevent lung collapse b. the normal volume of air inhaled c. the normal volume of air exhaled d. the maximum volume of air that can be inspired e. the minimum volume of air that can be inspired
What is true of a mixed nerve?
A) It contains only afferent axons. B) It contains only efferent axons. C) It is found only in the central nervous system. D) It contains both afferent and efferent axons.
Which spinal nerves are not part of a nerve plexus?
A) T1-T12 B) C1-C2 C) T2-T11 and Co1 D) S1-S5 E) L1-L5