In cardiac muscle, after the plateau phase and at the beginning of replolarization,
a. voltage-gated sodium channels open.
b. voltage-gated potassium channels open.
c. voltage-gated calcium channels open
b. voltage-gated potassium channels open.
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The lateral or Sylvian fissure is external to the
A. frontal lobe. B. temporal lobe. C. parietal lobe. D. occipital lobe. E. insula.
If the nerves from the carotid and aortic bodies are cut, which of these would occur?
A. An increase in arterial lactic acid will inhibit ventilation. B. A decrease in arterial PO2 will inhibit ventilation. C. An increase in arterial PCO2 will no longer increase ventilation. D. A decrease in arterial PO2 will no longer increase ventilation. E. An increase in arterial PCO2 will inhibit ventilation.
Which system is concerned with internal organs (viscera)?
A. Autonomic B. Somatic C. Somatic and autonomic
What characteristic do all inflammatory chemicals share?
A. They are all a type of histamine. B. They all help stop bleeding. C. They are all vasodilators. D. They are all secreted by macrophages.