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Cierra Austin 7-13
Physiology
| Question | Answer |
|---|---|
| What is the movement of the membrane potential away from zero (below the usual RMP) called? | Hyperpolarization |
| Which membrane receptor acts to directly change ion permeability when stimulated? | Gated-channel receptor |
| The active transport mechanism in the plasma membrane that transports sodium and potassium ions in opposite directions and at different rates is what? | sodium-potassium pump. |
| What is the term commonly used as a synonym for action potential? | nerve impulse |
| Which chemicals allow neurons to communicate with one another? | neurotransmitters |
| What would the result be if the phrenic nerve received an impulse from the cervical plexus? | The diaphragm would stop contracting. |
| What does the cerebellum act with to produce skilled movement? | Cerebrum |
| Which is the neurotransmitter(s) in a somatic motor pathway? | Acetylcholine |
| What is the vomiting reflex mediated by? | The medulla |
| What is the major hormone produced by the corpus luteum? | progesterone |
| Which of the following is not a formed element found in the blood? | plasma |
| What is a decrease in the amount of white blood cells called? | leukopenia |
| Which division of the autonomic nervous system sends fibers to the heart? | Sympathetic and parasympathetic |