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Study Shack 2
7-13
| Question | Answer |
|---|---|
| The difference between sodium and potassium in the generation of action potential is that: | sodium causes depolarization of the cell membrane, and potassium causes repolarization of the cell membrane. |
| An ion channel that opens in response to a sensory stimulus is a(n) | stimulus-gated channel. |
| Each skin surface area supplied by sensory fibers of a given spinal nerve is a | dermatome. |
| The effect of sympathetic stimulation on the urinary bladder is | relaxation. |
| Both sympathetic and parasympathetic divisions are tonically active, which means they | continually conduct impulses to autonomic effectors. |
| Axon terminals of autonomic neurons release either of two neurotransmitters, | norepinephrine and acetylcholine. |
| The amount of water that moves into the blood from the interstitial fluid depends on the concentration of | plasma protein. |
| The lymphatic organs produce | lymphocytes |
| The amount of oxygen that diffuses into blood each minute depends on which factor? | all of the above |
| The exact amount of oxygen in blood depends mainly on the amount of | hemoglobin. |