During coagulation a circulating substance creates a meshwork to reinforce the blood clot and stabilize it. What is this substance called?
A) Fibrin
B) Platelets
C) Antibodies
D) Rh antigen
Question 2
After several cycles of lab testing on test animals, a medication can enter clinical trials for evaluation in humans. In phase one clinical trial testing:
A) the trial is expanded to include a large sample size, usually in the thousands of individuals, and establish the overall safety and effectiveness of the drug.
B) the medication is compared to other medications on the market.
C) consists of the drug being tested on a small number (usually 300 or less) of people with the illness or condition the drug is designed to treat.
D) researchers attempt to determine the safe dose and how the medication is both absorbed and eliminated from the body.
The Hepatic Portal Blood Supply The liver receives water, minerals, and nutrients from the digestive
Blood flow through the heart.
Formation of a blood clot
Blood Groups and Blood Types
The hormone leptin is produced in fat cells, moves through the blood, and binds to receptors in the
Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo