j t normal resting conditions Inspiration is a passive process b. Expiration is
ID: 177265 • Letter: J
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t normal resting conditions Inspiration is a passive process b. Expiration is a passive process e. Diaphragm is the only active muscle durin inspiration d. Diaphragm is elevated during inspiration Most of the inspiration is accounted for by the contraction of abdominal muscles 39. Which of the following is not an auxiliary muscle of inspiration? a. Scalene d. Trapezius b. Sternocleidomastoid e. Internal Oblique c. Pectoralis minor 40. Calculate the partial pressure of O2 in the air if the atmospheric pressure is 37o mmHg lno is 23 mmHg and concentration of oxygen is 20.93 a. 72.6 mmHg d. 100 mmHg b. 77.4 mmHg e. 60 mmHg. mmHg 41. Diffusion of the respiratory gasses across the respiratory membrane is inversely proportional to th 1. Surface area of the respiratory membrane Thickness of the respiratory membrane 3. Solubility coefficient of the gasses 2. gasses 4. Molecular weight of the 5. Temperature of the alveolar-capillary interface d. 2 and 4 a. 1 and 3 only e. 3 and 5 only b. 2 and 3 only shift of the causes affinity of hemoglobin for oxygen and c. 4 and 5 only 42. An increase in 2,3-DPG Oxyhemoglobin dissociation curve. d. increased; leftward. a. decreased; rightward decreased; downward b. decreased: leftward e. ventilation c. increased; rightward 165 ml. The alveolar 43. Calculate the alveolar ventilation if VE 28L. min 1; Vf 18 b.min-1; and VD is d. 30.97 L. min a. 256.7 L min e. 25.03 L. min b. 83.16 L.min c. 3.05 L min in the blood mainly by the 44. At normal barometric pressure oxygen is carried a. Red blood cells d. Blood proteins e. None of the above b. Blood plasma c. White blood cells receptors ultimately responds to changes inExplanation / Answer
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