18. A patient on a ventilator is receiving supplemental oxygen and has an arterial PO2 of 200 mmHg and a hemoglobin concentration of 20 g/dL. What would her arterial oxygen content be in ml/dL: O2 carried by Hb 1. 2. 3. 4. (a) 1 (b) 2 (c) 3 (d) 4 20.1 25.2 15 26.8 Dissolved O2 0.3 3 0.03 0.6 Total 02 20.4 28.2 15.03 27.4
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- 20. At end-expiration, is A. 0 mm Hg. B. 2 mm Hg. C. 4 mm Hg. D. 6 mm Hg.If an individual fully inhales to a total lung capacity of 4.5 L at sea level (760 mm Hg) and dives to a depth of 66 feet, the lungs will be compressed to about A. 1.0 L B. 1.5 L C. 2.0 L D. 2.5 LVO2 calculation scenario: Body mass= 102 kg, HR= 180 beats/min, SV= 110 ml blood/beat, venous oxygen content = 4 ml O2/100 ml blood. What is the VO2 (ml O2/kg/min) for this scenario? (round to the nearest tenth). Remember your answer, as you will be asked to interpret this VO2 in another question. a. 31.1 b. 776.5 c. 3.5 d. 221.8 e. 7.8
- A child weighing 22 lbs, has an infection and the doctor orders erythromycin drops 2.0 mLp.o. q6h. The bottle states that the usual dosage is 20.0-40.0 mg/kg/day, and there are35.0 mg per 1.5 mL. Find the min and max dosage per day in mL. Is the order within therecommended dosage?"Compute for the Vital Capacity, given residual volume is 1L, Tidal volume is 0.5L, Total lung volume is 5L, Functional residual capacity is 2L, inspiratory reserve volume is 2.5L." a 4L b 3L c 1L d not in the choicesA patient receiving control-mode continuous mandatory ventilation has the following ABGs on an FiO2 of 0.4: pH = 7.51; PCO2 = 30 mm Hg; HCO3– = 25 mm Hg. Her current minute ventilation (VE) is 7.9 L/min. What new VE would you recommend? 9.0 L/min 6.7 L/min 7.5 L/min 5.9 L/min
- A patient receiving control-mode continuous mandatory ventilation has the following ABG on an FiO2 of 0.5: pH = 7.23; PCO2 = 61 mm Hg; HCO3– = 26 mm Hg. The current minute ventilation (VE) is 9.2 L/min. What new VE would you recommend? a. a) 10.6 L/minb) 14.0 L/minc) 12.4 L/mind) 5.8 L/minGiven the following ABG (arterial blood gas) values for an asthmatic patient, what is your diagnosis? Briefly explain how you came to that diagnosis. pH = 7.33 (normal range: 7.38-7.42 PaCO2 = 55 mm Hg (normal range: 38-42 mm Hg) HCO3– = 25 mEq/L (normal range: 22-28 mEq/L) PaO2 = 70 mm Hg (normal range: 75-100 mm Hg)The arterial O₂ concentration is given by the following expression [0₂] = 0.003 P0₂ + (PO₂)².8 +(26) 2.8 1. ЗЧНЬ (Рог ) 2-8 Where Poz is the alveolar O₂ pressure and Hb is the hemoglobin concentration in g/dL, respectively A subject who is at 0-95 ATM (211-0₂) has an arterial O₂ concentration of 19ml/dL and and arterial CO₂ pressure of 38mm Hg. Also, VO₂ = 340mL/min.; VCD₂ = 289 mL/min. Therefore, your hemoglobine level is: A. 14.39 Idl 8. 14.8 g/dl C. 15.2 g/dl D. 15.7g/dL E. 16 g/dL
- What is the Expiratory Reserve Volume (ERV) given that: TV = 550ml, VC = 5L; TLC = 6L; and IRV = 3.2L Group of answer choices 1.5L 4.45L 1.8L 1.55La patient has a Ve of 7.15 L/min and a set rate of 11 breaths per minute. what is the Vt in ml?"Compute for the Expiratory reserve volume, given residual volume is 1L, Tidal volume is 0.5L, Total lung volume is 5L, Functional residual capacity is 2L, inspiratory reserve volume is 2.5L." a 4L b 3L c 1L d not in the choices
