Answer the following statements true (T) or false (F)
1. The functions of the nasal conchae are to enhance the air turbulence in the cavity and to increase the mucosal surface area exposed to the air.
2. The lungs are perfused by two circulations: the pulmonary and the bronchial. The pulmonary circulation is for oxygenation of blood. The bronchial circulation supplies blood to the lung structures (tissue).
3. Changes in arterial pH can modify respiration rate and rhythm even when carbon dioxide and oxygen levels are normal.
4. Intrapleural pressure is normally about 4 mm Hg less than the pressure in the alveoli.
5. During normal quiet breathing, approximately 500 ml of air moves into and out of the lungs with each breath.
1. TRUE
2. TRUE
3. TRUE
4. TRUE
5. FALSE
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Hand preference when writing or throwing is an example of
a) cranial nerve damage. b) hemispheric lateralization. c) damage to the olfactory nerve. d) damage to the Broca's area. e) None of these choices.
Mr. Jones has a blood pH of 7.00 and a temperature of 100.5?F. His oxygen-hemoglobin dissociation curve would
A. shift to the right, causing more O2 to be released to his cells. B. shift to the left, allowing less O2 to be released to his cells. C. show no change, allowing the O2 concentration to remain stable.
The epiglottis covers the opening into the larynx during the ________ phase of swallowing.
A. gastric B. voluntary C. pharyngeal D. esophageal E. oral
What is an epithelium?
What will be an ideal response?