- (A) Increase in respiratory rate
- (B) Increases in depth of respiration
- (C) Increase in oxygen carrying capacity of blood
- (D) Increase in partial pressure of CO2
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- (A) ADH secretion in collecting duct
- (B) Constant solute load on distal tubule
- (C) Macula densa
- (D) Balance between ascending and descending loop of henle
- (A) More negative
- (B) Less negative
- (C) Positive
- (D) Equal to the intra alveolar pressure
- (A) Cyanosis
- (B) Dyspnea
- (C) Hypercapnia
- (D) Hypoxia
- (A) Tidal volume
- (B) Respiratory rate
- (C) Alveolar ventilation
- (D) FEV 1
- (A) Rise in temperature
- (B) Rise in carbon dioxide tension
- (C) Rise in pH
- (D) Rise in H+ ion
- (A) Decrease in arterial carbon dioxide level
- (B) Increase in arterial carbon dioxide level
- (C) Increase in arterial oxygen level
- (D) None of the above
- (A) P50 and oxygen affinity decrease
- (B) P 50 and oxygen affinity increase
- (C) P 50 decreases and the oxygen affinity increases
- (D) P50 increase and the oxygen affinity decreases
- (A) Intrapulmonary pressure falls
- (B) Intra thoracic pressure rises
- (C) Intra-abdominal pressure rises
- (D) The partial pressure of O2 in dead space rises
- (A) The relative proportion of reduced and oxygenated hemoglobin
- (B) The absolute amount of reduced hemoglobin
- (C) Thickness of the skin
- (D) Fragility of capillaries

