The majority of T cells of the naive lymphocyte pool wait for the encounter with foreign antigens in the ________.
A. plasma
B. thymus
C. blood plasma
D. lymphatic tissues
E. lymph
Answer: D
You might also like to view...
Micturition
A. is another name for urination. B. is a reflex triggered by stretch receptors in the urinary bladder. C. requires contraction of the muscularis layer of the urinary bladder. D. requires the opening of two sphincters. E. All of the choices are correct.
The region in the neck where you can feel your pulse is called the
A) inferior carotid triangle. B) superior carotid triangle. C) posterior cervical triangle. D) suprahyoid triangle. E) submandibular triangle.
Choose the statement that accurately describes why catalysts are biologically necessary.
A. Catalysts increase the activation energy of large populations of molecules. B. Catalysts make reactions go faster without cellular damage that would occur from heat. C. Catalysts provide the heat necessary for molecules to reach activation energy. D. All cell processes would occur without catalysts, but catalysts optimize the reaction rates.
The primary motor area
A. contains a larger area for control of the hand and fingers than for control of the arm and elbow. B. contains neurons that control smooth muscle. C. contains more motor neurons for the thighs than the mouth. D. contains sensory neurons for the face in its inferior portion. E. contains a smaller area for control of the hands than for control of the legs.