Which blood vessel carries blood from the left ventricle?
A. aorta
B. right atrium
C. pulmonary trunk
D. pulmonary arteries
E. pulmonary veins
A
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Processing centers of the pyramidal system include which of the following?
A) the cerebral nuclei B) the vestibular nuclei and the superior colliculus C) the inferior colliculus and the mamillary body D) All of the answers are correct. E) the red nucleus and the reticular formation
Which of the following function in immunological surveillance?
A) NK cells B) helper T cells C) plasma cells D) B cells E) regulatory T cells
Normal blood pH is maintained within a range of
A. 1.0 - 14.0. B. 4.5 - 5.5. C. 7.35 - 8.5. D. 6.5 - 9.5. E. 7.35 - 7.45.
The ________ system's main functions are support, movement, and protection.
A. endocrine B. nervous C. skeletal D. cardiovascular