Which of the following is true for the relative affinity of hemoglobin for oxygen in the lungs and tissue with the oxygen dissociation curve in its normal position?

Lungs Tissue

a. High Low
b. Low Low
c. High High
d. Low Low


ANS: A
The affinity of hemoglobin for oxygen is high in the lungs, so that loading of hemoglobin with oxygen is facilitated. It is lower in tissue to facilitate the delivery of oxygen to tissue.

Health Professions

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Fill in the blank(s) with correct word

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a. By increasing HCO3– reabsorption b. By increasing alveolar ventilation c. By decreasing HCO3– reabsorption d. By decreasing alveolar ventilation

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What should be avoided when documenting in a medical record?

a. Spelling out abbreviations b. Using abbreviations c. Using approved abbreviations d. Using a 0 before a period in a report of measurement

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10.78 × 100

What will be an ideal response?

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