When a neurotransmitter like acetylcholine is acting in an excitatory manner which of the following is likely a result of the acetylcholine acting on the post synaptic cell?
A) Chemically gated chloride channels will open.
B) Chemically gated potassium channels will open.
C) Chemically gated sodium channels will open.
D) Chemically gated sodium channels will be closed.
C
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All of the following are part of the inflammation response except
A) production of collagenous framework. B) increased blood flow. C) increased vessel permeability. D) mast cell activation. E) pain.
When the semilunar valves close, the AV valves then
A) close. B) open. C) make the third heart sound. D) All of the answers are correct. E) None of the answers is correct.
The glenoid cavity is where the
A. clavicle articulates with the scapula. B. clavicle articulates with the sternum. C. humerus articulates with the clavicle. D. humerus articulates with the scapula. E. radius articulates with humerus.
All of the following are spinal plexuses EXCEPT ________
A) cervical plexus B) thoracic plexus C) brachial D) lumbar plexus