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Phys.Wk 14
chap 8-14
| Question | Answer |
|---|---|
| The only ion(s) that can diffuse across a neuron’s membrane when the neuron is at rest is (are): | potassium |
| Which neuron could transmit a nerve impulse the fastest? | A large-diameter neuron with myelin |
| Normal infants will show the Babinski reflex up to the age of _____ years. | 1.5-2 |
| All of the following are examples of parasympathetic stimulation except: | increased heart rate. |
| The major hormone produced by the corpus luteum is: | progesterone. |
| Inhibition of sympathetic vasoconstrictor impulses is considered a major mechanism of | vasodilation. |
| _____, a natural constituent of blood, acts as an antithrombin and prevents clots from forming in vessels. | Heparin |
| Which of the following is not a function of the liver? | Secretion of insulin |
| The process of fat emulsification consists of: | breaking fats into small droplets. |
| Which blood vessel carries absorbed food from the GI tract to the liver? | Portal vein |