Body regions that have a high degree of sensory sensitivity have:
a. A large amount of space on primary somatosensory cortex
b. A small amount of space on primary somatosensory cortex
A
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The patient complaining of parietal abdominal pain would concern you the MOST is the one who:
A) is sitting upright in a chair, moaning in pain, and drinking antacid. B) walks out to the ambulance informing you he has the worst "belly ache." C) is rolling about on the floor complaining of pain. D) is lying on the floor very still and quiet with his knees drawn up to his chest.
A junctional escape beat occurs when:
A) the AV junction becomes irritable and temporarily overrides the SA node. B) there is a conduction block between the SA node and AV node. C) there is an accessory pathway that causes reentry of the impulse at the AV node. D) the rate of the SA node is slower than that of the AV node.