Which sinus does the number 1 indicate?
A. Frontal sinus
B. Anterior sinus
C. Ethmoidal sinus
D. Maxillary sinus
E. Sphenoidal sinus
A
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Which valve prevents the backflow of blood into the left ventricle when the ventricles relax?
A. Aortic semilunar valve B. Right atrioventricular valve C. Left atrioventricular valve D. Pulmonary semilunar valve E. None of these answers is correct.
The vertebral arches contribute structurally to surround and protect the
A) spinal nerves. B) cranial nerves. C) vertebrae. D) spinal cord. E) ribs.
The frontal and parietal bones articulate at the ________ suture
A) coronal B) lambdoid C) squamous D) sagittal E) frontal
Which nerve transmits motor information to the effector in the light pupillary reflex?
A) Trigeminal B) Optic C) Abducens D) Oculomotor