The following information best describes the _____ phase of an action potential.
Fill in the blank(s) with the appropriate word(s).
-a membrane potential reading of +10 mV
-inactivated voltage-gated sodium channels
-open voltage-gated potassium channels
repolarization
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Considering the left ventricle, why does isovolumetric ventricular contraction occur during ventricular systole?
A) The ventricle needs to pressurize the blood to close the aortic valve. B) Ventricular pressure is greater than atrial pressure so the ventricle cannot eject blood. C) The bicuspid valve needs time to shut before the ventricle can eject blood. D) Aortic pressure is higher than ventricular pressure and the ventricle must pressurize the blood to open the aortic valve. E) The ventricle is still filling with blood and therefore cannot eject blood during this time.
Parasympathetic activation of sweat glands occurs to help reduce body temperatures
Indicate whether the statement is true or false
The calvaria is made up of cranial bones and is part of the skull.
Answer the following statement true (T) or false (F)
Under a light microscope, a tissue appears as a simple squamous epithelium. Can this be a sample of the skin surface? Why or why not?
What will be an ideal response?