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Brittney Giron

physiology chapters 7-13

QuestionAnswer
In a myelinated neuron, the impulse can travel under the myelin between nodes of Ranvier. True or False? True
The difference between sodium and potassium in the generation of action potential is that: Sodium causes depolarization of the cell membrane, and potassium causes repolarization of the cell membrane.
The action of acetylcholine is quickly terminated by its being hydrolyzed by the enzyme Acetylcholinesterase
“Fight or flight” physiological changes include all of the following EXCEPT Constriction of respiratory airways
In the extrinsic pathway of stage 1 of the clotting mechanism, chemicals released from damaged tissues trigger the cascade of events that ultimately result in the formation of Prothrombin activator
The molecule that makes up 95% of the dry weight of each red blood cell and is responsible for the red pigment is Hemoglobin
An obstructive lung disorder that is characterized by recurring spasms of the smooth muscles in the wall of the bronchial air passages is Asthma
What variations exist in the body to temporarily store or carry oxygen? Neuroglobin, myoglobin, and fetal hemoglobin
Which oxygen-binding protein helps move oxygen out of the blood and into muscle cells? Myoglobin
Peristalsis is regulated in part by the intrinsic stretch reflexes. It is also thought to be stimulated by the hormone Cholecystokinin
The ejection of bile from the gallbladder is controlled by which hormones? CCK and secretion
Created by: brittneyg0767
 

 



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