The most numerous of the leukocytes is the
A. neutrophil.
B. basophil.
C. eosinophil.
D. lymphocyte.
E. monocyte.
A
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The thirst mechanism is usually not triggered until the volume of the body water has been decreased by 5-10%.
Answer the following statement true (T) or false (F)
Neurons synapsing on the hair cells of the maculae and the crista ampullaris have cell bodies in the ________.
A. medial geniculate nucleus B. vestibular ganglion C. superior olivary nucleus D. cochlear ganglion E. superior colliculus
Because most pathways decussate, each side of the brain processes information from the ________ side of the body.
A. ipsilateral B. contralateral
What is the role of tropomyosin in a sarcomere?
A. It is the main protein component of thin myofilaments. B. It is the main protein component in thick myofilaments. C. It blocks the active sites on actin filaments in relaxed muscle fibers. D. It binds to calcium to initiate muscle contraction. E. It is the main component of elastic filaments.