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

Anatomy & Physiology

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The parasympathetic system is sometimes called "rest and _______."

Fill in the blank(s) with correct word

Anatomy & Physiology

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

Anatomy & Physiology

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

Anatomy & Physiology

What is the term for muscles that have the same action?

A. Antagonists B. Synergists C. Prime movers D. Fixators

Anatomy & Physiology