Negative selection occurs when
a. cells become positive for either CD4 or CD8 when they recognize either the MHC class I or class II molecule
b. cells become negative for both CD4 or CD8 when they recognize either the MHC class I or class II molecule
c. cells that recognize self-antigens are allowed to live
d. cells that recognize self-antigens undergo apoptosis
d. cells that recognize self-antigens undergo apoptosis
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Break down the medical word into its word parts, and give the meaning of each word part. Then, give the definition of the medical word.
Hysterosalpingo-oophorectomy Definition: Prefix and definition: Combining form and definition: Suffix and definition:
Which statement made by the student nurse indicates effective learning about the coagulation factors and intrinsic pathway?
1. "The clotting time is measured by prothrombin time." 2. "The clotting time is measured by activated partial thromboplastin time (aPTT)." 3. "TF-factor VII is formed by factor VII and tissue factor." 4. All of the above
The combining vowel is used between a prefix and a word root to ease pronunciation
Indicate whether the statement is true or false
The largest percentage of certified athletic trainers are employed in:
A. Schools and colleges B. Sports associations C. Clinics and hospitals D. Yoga centers