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BONUS: If during normal breathing, inspired air reaches only 50% relative humidity at 37°C, what will be the humidity deficit as air passes through the trachea?

Which of the following fractions is the result of dividing 1/48 by 1/8?

Jenny is a 58 year old lady with no previous cardiac or respiratory dysfunction who presents to the ED with an acute onset of extreme dyspnea, cyanosis, using accessory muscles to breathe and lower extremity edema. She relates increasing shortness of breath over the last three days. Her SpO2 is 84% on room air. Your assessment reveals the following information: Bilateral breath sounds with diffuse inspiratory crackles, RR = 32, HR 138, B/P 129/82, Temp 99.1 F. Blood gases in the emergency department reveal: pH 7.52, PaCO2 22, PaO2 38, HCO3 23, SaO2 80% Which of the following statements best describes her overall V/Q status?

What is the P(A-a)O2 and what does the value indicate? ABG: pH = 7.30, PaCO2 = 52 torr, PaO2 = 63 torr, HCO3 = 25 mEq/L on a 30% air-entrainment mask.  

Which of the following is the pressure between the alveous and the pleural cavity?

During which part of the uterine cycle is the outer layer of the endometrium shed from the uterine wall?

If a patient has the following parameters: Hb level of 14 g/dL, ABG: pH 7.51, PaCO2 29, PaO2 of 55 mmHg, SaO2 85 % and Cardiac out put – 3.3 L/min, approximately how much oxygen is being transported to the peripheral tissues each minute?

Reduce 30/180 to its lowest terms.

Which of the following layers of the ureter exhibits peristalsis?

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