Question

A male patient complains of physical weakness and fatigue A blood test show s his 31) hematocrit to be 30% Which of the following diagnoses is the least likely to explain his symptoms? A) dietary iron deficiency B) kidney disease C) lung disease D) internal bleeding E) dietary vitamin B_12 deficiency Regarding the relationships between the rates of oxygen consumption carbon dioxide 32) - production and alveolar ventilation, which of these statements is TRUE? A) In hyperventilation alveolar Pco_2 can decrease to zero B) a decrease in metabolism without a similar decrease in alveolar ventilation would result in hyperventilation C) Increased ventilation without a similar increase in metabolism is called hypoventilation D) An increase in ventilation with a matching increase in metabolism is called hyperventilation E) In hypoventilation, alveolar Pco_2 decreases below resting levels Which of the following is NOT true regarding ventilation-perfusion inequality? A) It is caused by too little or too much blood flow relative to ventilation B) It is caused by too little or too much ventilation relative to blood flow C) It may result from increased alveolar dead space D) No inequality exists in normal lungs E) It is increased from normal in patients with emphysema A female has a blood test One mL. of her blood is drawn, spun in a centrifuge, and the plasma volume is measured and found to be 0 6 mL Two months later the same patient returns to the doctor and. after doing another blood test, the doctor tells the patient that she has become anemic compared to her previous visit Which of the following is most likely to be the woman's hematocrit on the second visit? A) 100% B) 50% C) 70% D) 35% E) 0.6 mL If all other factors remain the same, which of these results in an increase in the amount of oxygen bound to hemoglobin? A) increased plasma P0_2 B) increased plasma (2, 3 diphosphoglycerate] C) increased plasma [H+] D) increased plasma temperature E) increased plasma [carbon monoxide]

Answer 1

4 and his to be oj- UA 0-50 De iraw ce Antonal bused to explan h stay