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Heather B.

Physiology #2

QuestionAnswer
Which of the following is not true of enzymes? They accelerate chemical reactions. They change chemically and are in the end products of the reaction. They are vital to chemical reactions. Many contain vitamins in their structure. They change chemically and are in the end products of the reaction.
Which of the following is not one of the openings that must be blocked when food moves from the pharynx into the esophagus? Oropharynx Nasopharynx Larynx Mouth Oropharynx
The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen. passively out of passively into actively out of actively into passively out of
Which of these is not an example of mechanical digestion? Moistening the food Changing food from large to small particles Propelling food through the digestive tract All of the above are examples of mechanical digestion. Moistening the food
Stimulation of gastric juice secretion occurs in all of the following phases except the _____ phase. cephalic digestive gastric intestinal digestive
CCK is an intestinal hormone that causes the pancreas to increase secretion of exocrine high in enzymatic content. opposes the influence of gastrin on gastric parietal cells. stimulates contraction of the gallbladder so that bile can pass into all of the above
The PCO2 in the atmosphere is: less than in the alveolar air. greater than in the alveolar air. equal to the alveolar air. greater than arterial blood. less than in the alveolar air.
Which of the following constitutes total lung volume? Residual volume and vital capacity Tidal volume, inspiratory reserve volume, and expiratory reserve volume Residual volume and tidal volume Vital capacity and tidal volume Residual volume and vital capacity
What is the function of the spleen? tissue repair hematopoiesis red blood cell and platelet destruction blood reservoir all of the above all of the above
The functions of the lymph nodes are defense and hemostasis. defense and diapedesis. defense and hematopoiesis. hematopoiesis and hemostasis. defense and hematopoiesis.
Which of the following is a powerful poison that acts directly on any cell and quickly kills it? cytotoxin phagotoxin lymphotoxin granulotoxin lymphotoxin
Recognition of antigens by antibodies occurs when an antibody attaches to the target cell’s antigen binding site. antigen’s epitopes fit into and bind to an antigen molecule’s antigen-binding site. antibody’s epitopes fit into and bind to an an antigen’s epitopes fit into and bind to an antigen molecule’s antigen-binding site.
Memory cells: immediately secrete antibodies when they are formed. are supporting cells and are not related to antibody production. are a special type of T cell. become plasma cells when exposed to an antigen. become plasma cells when exposed to an antigen.
Created by: hbyers916
 

 



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