Bradypnea and tachypnea:
Refer to breathing rates
Are respiratory changes caused by exercise
Are upper respiratory infections
Are relieved by sitting upright
The Correct Answer is A
A. Refer to breathing rates: Bradypnea = slow breathing; tachypnea = rapid breathing. Both describe respiratory rates.
B. Are respiratory changes caused by exercise: Tachypnea may occur with exercise, but bradypnea does not.
C. Are upper respiratory infections: These are breathing patterns, not infections.
D. Are relieved by sitting upright: This describes orthopnea, not bradypnea/tachypnea.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Dissolved in plasma- only ~1.5% of oxygen is dissolved in plasma.
B. By hemoglobin- ~98.5% of oxygen binds to hemoglobin in red blood cells.
C. By bicarbonate- this primarily transports carbon dioxide, not oxygen.
D. By pulmonary surfactants- surfactant reduces surface tension in alveoli, not related to oxygen transport in blood.
Correct Answer is D
Explanation
A. Trachea
The trachea, commonly known as the windpipe, connects the larynx to the bronchi and allows air passage to the lungs.
B. Pharynx
-upper respiratory tract structure, far from alveoli.
C. Larynx
-upper airway structure above the trachea.
D. Alveoli
-terminal structures where gas exchange occurs.
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