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Randi Rhein
Wk 14 Physiology
| Question | Answer |
|---|---|
| The effect of sympathetic stimulation on the urinary bladder is relaxation. constriction. dilation. no effect. | constriction. |
| Which of the following is NOT an example of sympathetic stimulation? constriction of the bronchioles decreased secretion of the pancreas constriction of the urinary sphincters dilation of skeletal muscle blood vessels | constriction of the bronchioles |
| A reflex consists of either a muscle contraction or a muscle stretch. muscle relaxation. glandular secretion. glandular excretion. | glandular secretion. |
| The somatic motor system includes all the _____ motor pathways _____ the CNS. involuntary; outside voluntary; outside voluntary; within involuntary; within | voluntary; outside |
| The knee jerk can be classified as a segmental reflex because: | impulses that mediate it enter and leave the same segment of the cord. |
| Which of the following is not associated with the oculomotor nerve? Movement of external eye muscles Closing and opening of the eye (blink reflex) Movement of intrinsic eye muscles Proprioception of eye muscles | Closing and opening of the eye (blink reflex) |
| Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition. tectorial basilar vestibular cochlear | tectorial |
| Which division of the autonomic nervous system sends fibers to the heart? sympathetic parasympathetic somatic both A and B | both A and B |
| Which two factors promote the return of venous blood to the heart? | blood-pumping action of respirations and skeletal muscle contractions |
| In the extrinsic pathway of stage 1 of the clotting mechanism, chemicals released from damaged tissues trigger the cascade of events that ultimately result in the formation of calcium. vitamin K. prothrombin activator. fibrin. | prothrombin activator. |