What is the total oxygen content of the blood when PaO2 = 100 mm Hg, Hb saturation = 98%, the carrying capacity of Hb is 1.34 ml of O2 per gram of Hb, and Hb concentration = 20 grams/dL? Assume a normal Hb-O2 dissociation curve and a solubility for O2 in the blood of 0.003 ml O2/(100 ml of blood/mmHg).

What two embryological tissues interact to yield the branching pattern of airway morphogensis in the lungs?

The most common histology seen in non-smokers with lung cancer is

In which cause of hypoxemia will a chest radiograph most likely be abnormal?

  3.4.  This suggests that people were gathering for 4. work/feasts at this time of year. (1)

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Vascular resistance in the alveolar vessels of the lung:

Within the peripheral chemoreceptors, when is the response to a drop in PO2 greatest?

The portal of initial entry for most respiratory fungal pathogens is LEAST likely to be

Which cell type is thought to play a key role in initiating the first phase of an asthma attack, and are thought to be an important target of Cromolyn?