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Hole's Human Anatomy & Physiology, 9/e

David Shier, Washtenaw Community College
Ricki Lewis, The University at Albany
Jackie Butler, Grayson County Community College

Respiratory System

True/False Quiz

Please answer all questions


1	In order to maintain homeostasis, chloride ions follow as bicarbonate moves out of the erythrocyte.
		A)	True
		B)	False


2	The main purpose for cellular oxygen is to provide a means of producing most of the cell energy.
		A)	True
		B)	False


3	During the act of swallowing the epiglottis moves upward and the glottis appears as a triangular slit.
		A)	True
		B)	False


4	The alveoli exchange gases between the air and the capillaries within them.
		A)	True
		B)	False


5	The diaphragm is a dome-shaped smooth muscle organ innervated by the phrenic nerves.
		A)	True
		B)	False


6	The surface tension associated with the lungs can either cause the lungs to expand or collapse.
		A)	True
		B)	False


7	Respiratory distress syndrome in an infant results from an inability to breathe because of excess surfactant production in the alveoli by type I cells.
		A)	True
		B)	False


8	During inspiration the diaphragm moves upward while thorax expands and moves outward.
		A)	True
		B)	False


9	When the diaphragm contracts the pressure within the thoracic cavity decreases.
		A)	True
		B)	False


10	The compliance of the lung increases as the lungs expand.
		A)	True
		B)	False


11	The anatomical dead space represents the air that is trapped in the alveoli and is around 150cc.
		A)	True
		B)	False


12	The alveolar dead space is a volume of air that cannot cross the alveoli because of a disease process.
		A)	True
		B)	False


13	Bronchogenic carcinoma is a lung cancer that has spread or metastasized from some outside organ.
		A)	True
		B)	False


14	The alveolar ventilation rate is usually less than the minute respiratory volume.
		A)	True
		B)	False


15	There are chemoreceptors in the aortic and carotid bodies which are very sensitive to fluctuations in the levels of blood oxygen.
		A)	True
		B)	False


16	Decreasing blood oxygen and increasing carbon dioxide cause the major increases seen in breathing rate during strenuous exercise.
		A)	True
		B)	False


17	Hyperventilation causes its symptoms mainly because it results in respiratory acidosis.
		A)	True
		B)	False


18	The respiratory membrane is the simple squamous epithelium of the alveoli.
		A)	True
		B)	False


19	There are phagocytic cells within the lungs that move among the alveoli to remove foreign particles.
		A)	True
		B)	False


20	If the alveolar partial pressure of carbon dioxide was 45 mm Hg, carbon dioxide would not readily diffuse into the air.
		A)	True
		B)	False


21	The PO2 in the pulmonary veins is less than the PO2 in the alveolar air.
		A)	True
		B)	False


22	Retrolental fibroplasia develops in an infant who does not have sufficient blood oxygen.
		A)	TRUE
		B)	FALSE


23	ARDS is a condition of lung collapse or atelectasis in a newborn.
		A)	True
		B)	False


24	At high altitudes it is difficult to breathe because the air has a lower percent of oxygen.
		A)	True
		B)	False


25	Oxygen dissociates faster from hemoglobin during exercise.
		A)	True
		B)	False


26	Carbon dioxide and oxygen compete for binding sites with the hemoglobin.
		A)	True
		B)	False

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