Atrioventricular valves close at the beginning and the semilunarvalves open at the end of which stage of the cardiac cycle?
| | ejection |
| | isovolumic relaxation |
| | ventricular systole |
| | isovolumic contraction |
Which of the following will induce the strongest consciousperception of suffocation?
| | high blood carbon dioxide |
| | low blood oxygen |
| | high blood pH |
If an individual were confined in a small space, andre-inspiring expired gasses, which of the following would beexpected?
| | a sense of suffocation |
| | high pH |
| | low blood carbon dioxide |
Which of the following would result if one were to breathe anatmosphere with normal oxygen levels, but excessive carbon dioxidelevels?
| | depressed respiratory rate |
| | low pH |
| | remarkably reduced blood oxygen |
In which of the following situations would blood pH be low?
| | the manure pit |
| | the non-pressurized aircraft cabin |
| | the Apollo 13 capsule |
Which of the following is NOT used by the cerebellum to maintainbalance?
| | gustatory |
| | proprioception |
| | vestibular function |
| | vision |
How many forms of sensory feedback is the cerebellum of a blindindividual with a vestibular deficit receiving?
An intention tremor and ataxia are consistent with which of thefollowing?
| | a basal ganglion lesion |
| | a proprioceptive deficit |
| | a vestibular deficit |
| | a cerebellar lesion |
A positive Rhomberg sign along with an inability to judge theposition of a limb or digit suggests which of the following?
| | a basal ganglion lesion |
| | a proprioceptive deficit |
| | a cerebellar lesion |
| | a vestibular deficit |
A resting tremor is consistent with which of the following?
| | a proprioceptive deficit |
| | a basal ganglion lesion |
| | a cerebellar lesion |
| | a vestibular deficit |
Which of the following hormones inhibits prolactinsecretion?
