Which of the following accurately describes thromboplastin?
A. A compound released by healed tissues that initiates clot dissolution
B. A precursor to prothrombin
C. A compound that keeps platelets from sticking to the endothelium
D. A compound released by damaged tissue that initiates the extrinsic clotting pathway
E. A compound released by damaged tissue that initiates the intrinsic clotting pathway
Answer: D
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Indicate whether the statement is true or false
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Indicate whether the statement is true or false
Which feature enables mammals to breathe and chew at the same time?
A. The perpendicular plate of the ethmoid bone B. Large nasal conchae C. The shape of the pterygoid process D. A hard palate that separates the oral and nasal cavities E. The presence of a hyoid bone
The collective term for the genital papilla and the urogenital orifice is the ________
A) urogenital sinus B) vulva C) broad ligament D) fimbriae