Secondary bronchi supply air to the
A) lungs.
B) lobes of the lungs.
C) lobules of the lungs.
D) alveoli.
E) alveolar ducts.
Answer: B
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What causes the opening and closing of the heart valves?
A. The action of the papillary muscles and chordae tendineae B. A pressure difference on the two sides of the valve C. Turbulent flow in the atria and ventricles D. Na+ and K+ fluxes during ventricular depolarization E. Stimulation by the sympathetic and parasympathetic nerves
The auditory cortex is in the ____ lobe of the cerebral cortex
a. frontal b. occipital c. parietal d. prefrontal e. temporal
From which artery is a person able to feel his or her pulse?
A) internal carotid artery B) common carotid artery C) facial artery D) maxillary artery
Injury to the reticular formation can result in which of the following?
A) Hypertension B) Alzheimer disease C) Parkinson disease D) Irreversible coma