Blog

A 40 year old patient recovering from ARDS is receiving mechanical ventilation with an IBW is 72 Kg. The following information is gathered: PaCO2= 43 torr, PaO2= 79 torr, PECO2= 22 torr, f= 15 bpm, Vt= 650 mLCalculate the patient’s physiologic deadspace in a single breath mL. 

Reaction steps that are far from equilibrium are good control points in metabolic pathways because:

The MOST sensitive indicator of the energetic status of the cell is the concentration of:

A metabolic pathway that is both catabolic and anabolic is ________. An example of such a pathway is ________.

The reaction ATP to  ADP + Pi is an example of a(n) _____ reaction.

The RRT is managing a patient on a Drager v500 ventilator in PC-SIMV. Which of the following are acceptable strategies to increase PaCO2? Decreasing the inspiratory flow Decreasing the inspiratory pressure Increasing pressure support Adding PEEP Decreasing the set rate

Triose phosphate isomerase catalyzes a reaction that is most like that of _____.

In the pressure-time scalar below, the difference between breath A and breath B would be caused by which of the following?  

The step at which acetyl CoA enters the citric acid cycle is classified as a ________ reaction

Over the course of an 8-hour shift, the respiratory therapist notices that a patient receiving ventilation in the VC mode has had a decrease in the PIP from 35 to 30 cmH2O, and Pplat remained 25 cmH2O. What could have caused the change?