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Michelle Christensen

AP 221 Final weeks 7-13

QuestionAnswer
The difference between sodium and potassium in the generation of action potential is sodium causes depolarization of the cell membrane, and potassium causes repolarization of the cell membrane.
Name the mechanisms that quickly terminates the action of a neurotransmitter once it binds to its postsynaptic receptor Neurotransmitter molecules are transported into nearby glial cells. Neurotransmitter molecules are transported back into synaptic knobs. Neurotransmitter molecules are metabolized into inactive compounds.
The action potential seems to “leap” from node to node along a myelinated fiber. This type of impulse regeneration is called __________ conduction. saltatory
Audition is a function of the _____ lobe. temporal
Describe the principle of autonomic antagonism as it relates to the autonomic nervous system? If sympathetic impulses tend to stimulate an effector, parasympathetic impulses tend to inhibit it.
The part of the brain that assists in the maintenance of balance is the: Cerebellum
The major hormone produced by the corpus luteum is: Progesterone
Name a characteristic of the endocrine system Chemical messenger travels a short distance.
Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as hematopoietic stem cells.
A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is erythropoietin.
The physiological mechanism that dissolves clots is known as fibrinolysis.
Name a a natural constituent of blood, acts as an antithrombin and prevents clots from forming in vessels Heparin
The mechanisms of which three hormones work together to regulate blood volume aldosterone, ANH, and ADH
The term blood type refers to the type of blood cell antigen.
The lymphatic system serves various functions in the body. The two most important functions of this system are fluid balance and immunity.
The movement of phagocytes from blood vessels to an inflammation site is diapedesis.
Lymphatics in the villi of the small intestines are called lacteals.
Name 4 functions of the spleen tissue repair hematopoiesis red blood cell and platelet destruction blood reservoir
The vital capacity is equal to the sum of the: inspiratory reserve volume, tidal volume, and expiratory reserve volume.
The term used to describe the volume of air exchanged during normal inspiration and expiration is: Tidal volume
The major form by which carbon dioxide is transported in the circulatory system is: as bicarbonate ions.
The process of swallowing is known as: deglutition.
The hormone that stimulates the gallbladder to release bile is: cholecystokinin
The hormone that stimulates the release of bicarbonate substance from the pancreas is: secretin.
Which blood vessel carries absorbed food from the GI tract to the liver? Portal vein
Created by: christensenmjc
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