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Paulette Lawrence
Physiology 7-13
Question | Answer |
---|---|
Which neuron could transmit a nerve impulse the fastest? | A large-diameter neuron without myelin. |
Impulses sent over which of the following tracts could result in voluntary movement, especially of the hands, fingers, feet, and toes of the opposite side? | Lateral corticospinal |
Which of the following is not associated with the oculomotor nerve? | Closing and opening of the eye (blink reflex) |
Which is not true of the hormone somatostatin? | It stimulates the secretion of insulin. |
The physiological mechanism that dissolves clots is known as | fibrinolysis |
The vagus is said to act as a "brake" on the heart. This situationis called | vagal inhibitiomn |
Which of the following is a powerful poison that acts directly on any cell quickly kills it? | lymphotoxin |
Complement can best be described as a(n): | Enzyme in blood |
During inspiration, the expansion of the lungs causes: | cohesion of visceral and parietal pleura |
Which of the following would you expect to happen to cellular respiration during exercise? | Increased cellular respirationoccurs during exercise, causing a decrease in plasma PCO2. which is detected by central chemoreceptors in the brain and perhaps peipheral chemoreceptors in the carotid sinus and aorta to cause a decrease in respiration rate. |
Which of the following is not a function of the liver? | Secretion of insulin |
An end product of fat digestion is: | glycerol |
The chief function of the T-tubules is to: | allow for electrical signals to move deeper into the cell. |