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Phil Second half

week 7-13

QuestionAnswer
Saliva contains the enzyme amylase
Fats and other nutrients in the duodenum stimulate the intestinal mucosa to release a hormone called gastric inhibitory peptide.
The process of deglutition includes all of the following except the _____ stage. laryngeal
_____ is the passage of substances through the intestinal mucosa into the blood or lymph. Absorption
The wave-like ripple of the muscle layer of the GI tract is called peristalsis.
More than two-thirds of the carbon dioxide carried by blood is carried in the form of bicarbonate ions.
The basic rhythm of the respiratory cycle of inspiration and expiration seems to be generated by the medullary rhythmicity area.
Pressure gradients are established by changes in the thoracic cavity.
The exact amount of oxygen in blood depends mainly on the amount of hemoglobin.
The apparatus used to measure the volume of air exchanged in breathing is called a(n) spirometer.
_____ law states that the volume of a gas is inversely proportional to its pressure. Boyles
The forced expiratory volume test can determine the presence of respiratory obstruction by measuring the volume of air expired per second during forced expiration
According to the law of partial pressures, the partial pressure of gas in a mixture of gases is directly related to the concentration of that gas in the mixture and to the total pressure of the mixture.
During inspiration, as the size of the thorax increases, the intrapleural and alveolar pressures decrease.
The purpose of the lymphatic system is to fight against infection
_____ is used to determine the volume percentage of red blood cells in whole blood. Hematocrit
____, a natural constituent of blood, acts as an antithrombin and prevents clots from forming in vessels. Heparin
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