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chapters 7-13

physio

QuestionAnswer
The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: a. vasoactive intestinal peptide. b. enterogastrone. c. secretin. d. cholecystokinin-pancreozymin. d. cholecystokinin-pancreozymin.
The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen. a. passively out of b. passively into c. actively out of d. actively into d. actively into
Which of these is not an example of mechanical digestion? a. Moistening the food b. Changing food from large to small particles c. Propelling food through the digestive tract d. All of the above are examples of mechanical digestion. a. Moistening the food
Bicarbonates are useful in the GI tract to: a. neutralize hydrochloric acid. b. break down fats. c. activate secretin. d. activate pepsin. a. neutralize hydrochloric acid.
External respiration can be defined as: a. the exchange of gases between the lung and the blood capillaries in the lung. b. pulmonary ventilation. c. the exchange of gases between the blood capillaries and the tissue cells. d. both A and B. a. the exchange of gases between the lung and the blood capillaries in the lung.
Which of the following constitutes total lung volume? a. Residual volume and vital capacity b. Tidal volume, inspiratory reserve volume, and expiratory reserve volume c. Residual volume and tidal volume d. Vital capacity and tidal volume Tidal volume, inspiratory reserve volume, and expiratory reserve volume
Internal respiration can be defined as: a. the exchange of gases between the lung and the blood capillaries in the lung. b. pulmonary ventilation. the exchange of gases between the blood capillaries and the tissue cells. both A and B. a. the exchange of gases between the lung and the blood capillaries in the lung.
The approximate partial pressure of oxygen at standard atmospheric pressure is about _____ mm Hg. a. 23 b. 160 c.300 d. 590 b. 160
Ciliated cells lining the respiratory tract: a. help move air into and out of the lungs. b. trap and phagocytize microorganisms. c. help move the mucus blanket toward the pharynx. d. do both B and C. c. help move the mucus blanket toward the pharynx.
Adaptive immunity, part of the body’s third line of defense, is orchestrated by two different classes of a type of white blood cell called the leukocyte. macrophage. lymphocyte. phagocyte. lymphocyte.
The movement of phagocytes from blood vessels to an inflammation site is called phagocytosis. pavementing. diapedesis. apedesis. diapedesis.
Which antibody is synthesized by immature B cells and then inserted into their plasma membranes? immunoglobulin M immunoglobulin G immunoglobulin A immunoglobulin E immunoglobulin D immunoglobulin M
The lymphatic system serves various functions in the body. The two most important functions of this system are fluid balance and waste removal. fluid balance and immunity. immunity and waste removal. waste removal and gas exchange. fluid balance and immunity.
The physiological mechanism that dissolves clots is known as hemostasis. fibrinolysis. erythroblastosis. diapedesis. fibrinolysis.
a natural constituent of blood, acts as an antithrombin and prevents clots from forming in vessels. Spectrin Erythropoietin Serum Heparin Heparin
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? It flows into the superior vena cava. It flows into the ductus venosus. It flows into the ductus arteriosus. It flows into the ductus venosus.
The olfactory tract carries impulses associated with: taste. equilibrium. smell. pain. smell.
Dynamic equilibrium depends on the functioning of the cupula. macula. otoliths. crista ampullaris. crista ampullaris.
Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition. tectorial basilar vestibular cochlear tectorial
The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? Almost 50 times faster Almost 100 times faster Almost 300 times faster Almost 500 times faster Almost 300 times faster
When current leaps across an insulating myelin sheath from node to node, the type of impulse conduction is called: repolarization. refraction. saltatory conduction. diffusion. saltatory conduction.
Created by: kyleehaight12
 

 



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