What is a function of the circulatory system?
a. transport carbon dioxide to the lungs
b. absorb carbon dioxide from the alveoli
c. absorb oxygen from body tissues
d. transport oxygenated blood to the lungs
Answer: a. transport carbon dioxide to the lungs
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Lymphocytes are made from ________ stem cells
A) phagocyte B) macrophage C) complement D) hemopoietic
You and your partner arrive at the scene of a middle-aged man who collapsed about 5 minutes ago. He is unresponsive, apneic, and pulseless. Bystanders are present, but have not provided any care. You should:
a. have your partner perform CPR while you question the bystanders. b. begin high-quality CPR and apply the AED as soon as possible. c. perform two-rescuer CPR for 5 minutes and request ALS backup. d. immediately apply the AED pads and analyze his cardiac rhythm.