Which of the following increases the affinity of Hb for O2?1. Decreased 2,3-DPG2. Decreased PCO23. Increased pH4. Increased temperature

Mr. Hall 6’ 2” and is being mechanically ventilated due to respiratory failure and complicated by ARDS. The following are the patients ventilator parameters and abg results:Mode    A/C                        Total rate             12                       pH            7.22Rate      12 breaths/min      PIP                      45 cm H2O       PaCO2      63 torrVT         550 ml                    Plat                      40 cm H2O       PaO2         51 torrPEEP    0 cm H2O                                                                       HCO3       26 mEq/LFIO2      0.80                                                                               BE            +2                                                                                                     SaO2         83%                                                                                                     Hb            15 g/dlWhat is this patients CaO2?

Calculate the PAO2 for a patient breathing room air with a barometric pressure of 760 mm Hg. FiO2 is 21% and PaCO2 is 40 mm Hg

How does the pulmonary vessels react to regional lung hypoxia?

When a patient has the following  rhythm, the most immediate action to perform would be:

A start of breath is inhaled until lungs are completely full and then blow out until unable to exhale further is

How does the pulmonary vessels react to regional lung hypoxia?

According to Laplace’s Law, A larger alveoli compared to a smaller alveoli would:I. Expand easierII. Have greater pressureIII. Have a lower surface tensionIV. Decrease in radius

Alveolar shunts can be caused by? I. ARDS II. Pulmonary Fibrosis III. PNA IV. Pulmonary Embolism

Manipulation of breathing that arises from the central chemoreceptors due to varying levels of hydrogen ions occurs where anatomically: