Most inspired particles such as dust fail to reach the lungs because of the ________.
A) ciliated mucous lining in the nose
B) abundant blood supply to nasal mucosa
C) porous structure of turbinate bones
D) action of the epiglottis
A) ciliated mucous lining in the nose
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The superficial layer of the urogenital triangle contains three muscles. Select the exception.
A. Superficial transverse perineal B. Puborectalis C. Ischiocavernosus D. Bulbospongiosus
The complex network of tiny islands of gray matter in the brain, that upon receiving incoming sensory impulses responds by activating wakefulness in the cerebral cortex, is the
A. limbic system. B. dentate nucleus. C. reticular formation. D. corpora quadrigemina.
What are the main organs for digestion, and where are most of the nutrients absorbed?
What will be an ideal response?
Which of the following are the four signs of inflammation?
A. Redness, swelling, pain, heat B. Heat, pus, swelling, pain C. Swelling, cold, pain, cyanosis D. Redness, itch, swelling, bleeding E. Pain, phagocytosis, redness, pus