An action potential begins in a myocardial cell when ________ enters the cell, giving it a ________ charge.
A) calcium; positive
B) sodium; positive
C) sodium; negative
D) calcium; negative
Question 2
What statement indicates that an EMT understands the appropriate use of supplemental oxygen regarding care of a stroke patient?
A) In the short time that we provide care to a stroke patient, the benefits of high-concentration oxygen outweigh the risks.
B) If positive pressure ventilation is required, it should be given with room air and not supplemental oxygen.
C) Since stroke decreases oxygen delivery to the brain, high-concentration oxygen should always be geared toward achieving an SpO2 as near to 100 as possible.
D) Oxygen should be administered at a minimal amount, just enough to get the SpO2 at or above 94.
Response of a yeast cell to glucose
Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne
Sickle Cell Gel Electrophoresis
Attachment and cell entry by HIV.
Basal cell carcinoma
Cell