Lymph nodes are centers for the production of ______, which act against foreign
particles carried in lymph.
Fill in the blank(s) with correct word
lymphocytes
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In a failing heart, stroke volume does not increase as steeply when end-diastolic volume increases.
Answer the following statement true (T) or false (F)
Sensory adaptation refers to
a. the ability of receptors to become less responsive to a stimulus of a given intensity. b. a phenomenon through which a receptor specialized for one sensory modality evolves to respond to another sensory modality. c. the ability of receptors to become more sensitive to a stimulus as a consequence of repeated exposure. d. none of these.
Which of the following spinal nerve groups is incorrect?
Cervical - 7 Thoracic - 12 Lumbar - 5 Sacral - 5
Which is the correct sequence in the passage of oxygen?
a. left atrium, left ventricle, pulmonary artery, lungs b. right atrium, pulmonary artery, right ventricle, lungs c. pulmonary artery, right atrium, right ventricle, lungs d. right atrium, pulmonary artery, right ventricle, lungs e. right atrium, right ventricle, pulmonary artery, lungs