When we move from darkness to bright light, retinal sensitivity is lost, but visual acuity is gained
Indicate whether the statement is true or false
TRUE
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Information from the muscle spindle stretch receptors is not conveyed above the level of the spinal cord and thus does not reach consciousness.
Answer the following statement true (T) or false (F)
Venoconstriction ________ the amount of blood within the venous system, which ________ the volume in the arterial and capillary systems
A) doubles; decreases B) reduces; increases C) decreases; doubles D) increases; reduces E) None of the answers is correct.
Which of the following muscles flexes the wrist?
A. anconeus B. coracobrachialis C. flexor pollicis brevis D. extensor carpi radialis brevis E. flexor carpi radialis
Differentiate graded potentials and action potentials. Select all that apply.
-summation of graded potentials can not occur but summation of action potentials are possible. -graded potentials are conducted in a decremental fashion and action potentials are conducted with a constant magnitude -the magnitude of graded potentials is variable and action potentials are all or none.