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. 90-95%: acceptable in some chronic conditions, but not the ideal normal.
B. 95-100%: this is the normal range for oxygen saturation in healthy adults.
C. 86-89%: indicates hypoxemia.
D. 80-85%: severely hypoxic, needs medical attention.
Correct Answer is D
Explanation
A. is responsible for the pumping of O2 from the alveoli into the pulmonary capillaries: gas exchange occurs by diffusion, not nerve stimulation.
B. Is responsible for exhalation: exhalation is a passive process; phrenic nerve controls diaphragm contraction for inhalation.
C. Decreases thoracic volume: diaphragm contraction increases thoracic volume.
D. Causes the diaphragm to contract: the phrenic nerve innervates the diaphragm and stimulates its contraction for inhalation.
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