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Physiology 6-17
Study Stack 2
| Question | Answer |
|---|---|
| Which phase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food? | Cephalic phase |
| Hydrolysis refers to: | using water to split larger compounds into smaller ones. |
| The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: | vasoactive intestinal peptide. |
| When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as _____ enzymes. | hydrolyzing |
| Which of the following is not true of enzymes? | They change chemically and are in the end products of the reaction. |
| Which blood vessel carries absorbed food from the GI tract to the liver? | Portal vein |
| The approximate partial pressure of oxygen at standard atmospheric pressure is about _____ mm Hg. | 160 |
| The symbol HbNCOOH– is used for: | carbaminohemoglobin. |
| The PCO2 in alveolar air is _____ blood | less than in the systemic venous & equal to the systemic arterial |
| The PCO2 in the atmosphere is: | less than in the alveolar air |
| If the tidal volume of a given individual is 500 ml, then the anatomical dead space is approximately _____ ml. | 150 |
| Dalton law states that the partial pressure of a gas in a mixture of gases is _____ to the total pressure of the mixture | directly related to the concentration of that gas in the mixture and |
| The vital capacity is equal to the sum of the: | inspiratory reserve volume, tidal volume, and expiratory reserve volume. |
| Which type of breathing is characterized by repeated sequences of deep gasps and apnea, and is usually seen in people with increased intracranial pressure? | Biot’s breathing |
| Carbon dioxide is carried in three forms in the blood. Ranking them from greatest to least amount carried, the sequence would be: | bicarbonate ion, carbaminohemoglobin, and dissolved in plasma |
| Boyle’s law states that the volume of a gas varies _____ with pressure at a _____ temperature. | inversely; constant |
| The neurotransmitter(s) that inhibit(s) the conduction of pain impulses is(are): | enkephalins. |
| Which of the following antidepressants acts by blocking the action of monoamine oxidase (MAO)? | Phenelzine |
| The fastest nerve fibers in the body can conduct impulses up to approximately _____ meters per second. | 130 |
| Accommodation for near vision necessitates | an increase in the curvature of the lens, constriction of the pupil, and convergence of the two eye. |
Created by:
superchamalie1
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