Which of these occurs when air leaves the lungs?
A. Air pressure in the lungs becomes lower than atmospheric pressure.
B. The diaphragm relaxes.
C. The diaphragm flattens, enlarging the thoracic cavity.
D. Thoracic pressure decreases.
E. The intercostal muscles raise the ribs.
Answer: B
Health Professions
You might also like to view...
Which of the following hormones increases the metabolic rate, heart rate and body temperature?
A) Thyroid hormone B) Follicle-stimulating hormone C) Growth hormone D) Insulin
Health Professions
According to the authors' experiences, which mode of mechanical ventilation has met the needs of their patients with neuromuscular disease?
A. APRV B. PRVC C. PC-IRV D. NPPV
Health Professions