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Physiology6-12
| Question | Answer |
|---|---|
| When you are looking at a large green field, which cones would be sending the green wavelength to the brain? | M |
| The major hormone produced by the corpus luteum is: progesterone. | progesterone. |
| The last step in the non-steroid hormone mechanism of action is: protein kinases | protein kinases activate other enzymes. |
| All of the following are nonsteroid hormones except: cortisol. | cortisol. |
| Dynamic equilibrium depends on the functioning of the : | crista ampullaris. |
| In an electrocardiogram the T wave represents: | repolarization of the ventricles. |
| What causes the ventricles to contract? | The inpulse to the Perkinje Fiber |
| Cardiac output is determined by: | stroke volume and heart rate |
| Factors that affect the strength of myocardial contraction are: | inotropic factors. |
| Inhibition of sympathetic vasoconstrictor impulses is considered a major mechanism of: | vasodilation. |
| The lymphatic organs produce : | lymphocytes |
| Which protein interferes with the ability of viruses to cause disease? | interferon |
| The primary organ of the lymphatic system is the : | thymus |
| In the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. | thymocytes |
| The movement of phagocytes from blood vessels to an inflammation site is called: | diapedesis. |
| T cells attack pathogens more directly, T-cell immune mech. classified as ____ immunity. | cell-mediated |
| Antibody is synthesized immature B cells ,then inserted into their plasma membranes? | immunoglobulin M |
| The _____ represents the largest volume of air an individual can move in and out of the lungs. | vital capacity |
| During inspiration, as the size of the thorax increases, the : | intrapleural and alveolar pressures decrease. |
| Sensors that provide feedback information to medullary rhythmic area : | central & peripheral chemoreceptors |
| An increase in carbon dioxide in the blood causes: | a drop in pH in the blood. |
| The ability of the lungs and thorax to stretch is referred to as : | compliance |
| Spirometry is used to measure all of the following EXCEPT: | Total lung capacity |
| _____ law states that the volume of a gas is inversely proportional to its pressure.: | Boyle’s |
| A right shift of the oxygen-hemoglobin dissociation curve due to increased partial pressure of carbon dioxide is also known as : | the Bohr effect. |
| Oxygen enters blood from alveolar air because the partial pressure of alveolar air is: | greater than the partial pressure of incoming blood. |
| 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 |
Created by:
dweinbergnewton