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Physiology Stack 2
| Question | Answer |
|---|---|
| A slight shift away from the resting membrane potentials in a specific region of the plasma membrane is called a _____ potential. | local |
| How does a dually innervated autonomic effector differ from a singly innervated autonomic effector? | A dually innervated effector receives input from both sympathetic and parasympathetic pathways. A singly innervated autonomic effector receives input from only the sympathetic division. |
| The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is: | malleus, incus, and stapes. |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells. |
| The _____ postulates that when an antigen enters the body, it selects the clone whose cells are committed to synthesizing its specific antibody and stimulates these cells to proliferate and to thereby produce more antibodies. | clonal selection theory |
| Because T cells attack pathogens more directly, T-cell immune mechanisms are classified as _____ immunity. | cell-mediated |
| By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood’s hemoglobin has united with oxygen? | 97% |
| The vital capacity is equal to the sum of the: | inspiratory reserve volume, tidal volume, and expiratory reserve volume. |
| The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen. | passively out of |
| The hormone that stimulates the release of bicarbonate substance from the pancreas is: | secretin |