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Nykeisha Jackson
Physiology Week 7-13
Question | Answer |
---|---|
When a neuron is resting, the inner surface of its plasma membrane is slightly positive compared with its outer surface | True |
If the center of a reflex arc is the brain, the response it mediates is called a | Cranial Reaction |
Accommodation for near vision necessitates | An increase in the curvature of the lens, Constriction of the pupils, Convergence of the two eyes |
A hematocrit of 56% would be an indication of | Polycythemia |
What is the functional significance of large areas of cardiac muscle being electrically coupled to form a single functional syncytium? | Because they form a syncytium, muscle cells can pass an action potential along a large area of the heart wall, stimulating contraction in each muscle fiber of the syncytium |
Millions of B cells release millions of | Antibodies |
The T cell is considered | The communicator |
Which of the following would have the greatest accelerating effect on the dissociation of oxygen from hemoglobin ? | Decreased PO2 and increased PCO2 |
Standard atmospheric pressure is _____ mmHG | 760 |
Stimulation of gastric juice secretion occurs in all of the following phases except the ______ phase. | Digestive |
CCK is an intestinal hormone that | Causes the pancreas to increase secretion of exocrine high in enzymatic content, opposes the influence gastrin on gastric parietal cells, stimulates contraction of the gallbladder so that bile can pass into the duodenum. |
The intestinal hormone cholecystokinin: | causes the pancreas to increase exocrine secretions high in enzyme content, opposes the influence of gastrin on gastric parietal cells, stimulates the contraction of the gallbladder. |
The substances absorbed into the lymph capillaries are | Glycerol and Fatty Acids. |