When a person goes __________ minutes without oxygen, brain damage is very likely.
a. 0-4
b. 4-6
c. 6-10
d. more than 10
Answer: c. 6-10
Health Professions
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Most autoimmune diseases _________
a. have no cure b. can be cured if detected and treated in early stages c. reverse spontaneously, even without treatment d. affect the skeletal system
Health Professions
Phase ________ of the cardiac cycle is called ventricular systole. During this phase, both ventricles are completing their contractions while the atria are relaxed
a. 1 b. 2 c. 3 d. 4
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