Each secondary bronchus supplies air to a:
A) hilum. B) lobe of the lung.
C) lobule of the lung. D) bronchopulmonary segment.
Answer: B
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The afferent division of the nervous system is also known as the _____ division
A. motor B. cranial C. ganglial D. efferent E. sensory
Stimuli produced by sound waves reach the brain following which pathway?
A. Cochlear duct > spiral organ > ossicles > oval window > auditory canal > tympanic membrane > fibers of cochlear nerve B. Auditory canal > tympanic membrane > oval window > cochlear duct > ossicles > spiral organ > fibers of cochlear nerve C. Cochlear duct > oval window > auditory canal > tympanic membrane > ossicles > spiral organ > fibers of cochlear nerve D. Tympanic membrane > auditory canal > ossicles > oval window > cochlear duct > spiral organ > fibers of cochlear nerve E. Auditory canal > tympanic membrane > ossicles > oval window > cochlear duct > spiral organ > fibers of cochlear nerve
The thick filament is composed of bundles of
1.actin. 2.troponin. 3.tropomyosin. 4.troponin + tropomyosin. 5.myosin.
In cell-mediated immune responses, immune cells directly kill antigen-bearing cells.
Answer the following statement true (T) or false (F)