As T-lymphocytes leave the thymus, they are
A. naive and not yet competent.
B. naive and immunocompetent.
C. activated but not yet competent.
D. activated and immunocompetent.
B
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The parasympathetic system is sometimes called "rest and _______."
Fill in the blank(s) with correct word
Air moves into the lungs during inspiration due to the force of __________.
A. the diaphragm B. the abdominal muscles C. atmospheric pressure D. the external intercostal muscles
The voluntarily controlled sphincter fashioned by skeletal muscle at the point where the urethra passes through the pelvic floor is called the ________
A) internal urethral sphincter B) internal anal sphincter C) external urethral sphincter D) trigone E) detrusor sphincter
What is the term for muscles that have the same action?
A. Antagonists B. Synergists C. Prime movers D. Fixators