Where are the anterior and posterior communicating arteries found?
A. The neck
B. The cerebral arterial circle (circle of Willis)
C. The branches of the celiac trunk
D. The forearm
E. The azygos-hemiazygos system
B. The cerebral arterial circle (circle of Willis)
Anatomy & Physiology
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Down syndrome is the result of
A. incomplete capacitation. B. improper crossing over. C. nondisjunction. D. improper implantation. E. disassociation.
Anatomy & Physiology
The ureter expands into the substance of the kidney as the ________.
A. renal corpuscle B. hilum C. renal capsule D. renal pyramid E. renal pelvis
Anatomy & Physiology
In a blood smear, the vast majority of formed elements are
A. neutrophils B. red blood cells C. leukocytes D. platelets E. white blood cells
Anatomy & Physiology
Which of the following does not have a lymphatic function?
a. tonsils b. liver c. spleen d. appendix
Anatomy & Physiology