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A 17 yo girl is killed in a car accident. She had a history of asthma since she was 4 yo, requiring multiple medication treatments and chronic use of an inhaler. Which of the following is most likely to be found in her lungs at autopsy?

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

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?

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?

A 26 yo female student presents complaining of a 3 week history of colored nasal discharge, headache, lethargy, and sneezing. She is taking acetaminophen for her headache. She is a non-smoker with no significant medical history or drug allergies, and does not take any other regular medicines. She appears tired and shivery and is constantly blowing her nose. On examination she has unilateral facial pain and tenderness and a temperature of 38.5°C. What is the most likely cause of the damage that results in her symptoms?