Which of the following conditions will appear hyperlucent wi…

Which of the following conditions will appear hyperlucent with retrosternal space on a chest x- ray? I.  Atelectasis II. Pneumothorax III. Pneumonia IV. emphysema V.  Acute asthma a. I,II and III only    b. II, III, and  IV     c.  II, III, IV and V     d.  II, IV and V only  

Which of the following statements are true of alveolar overd…

Which of the following statements are true of alveolar overdistension / hyperinflation ? a.  It can be identified by assessing pressure / volume waveform b.  It appears as ” beaking ” deformity on pressure / volume loop c.  If not corrected can lead to barotrauma, VILI and pneumothorax d.  Can be corrected by decreasing tidal volume on Volume control ventilation and decreasing the PIP ( peak inspiratory pressure) on pressure control mode of ventilation e.  All of the above statements are true

A patient is receiving continuous mandatory ventilation in t…

A patient is receiving continuous mandatory ventilation in the control mode at a set rate of 15/min. The inspiratory time is 0.8 second. What is the expiratory time?  What is the I:E ratio? A. 3.2 seconds; 1:4 B. 2.8 seconds; 1:1 C. 2.4 seconds; 1:2 D. 4.2 seconds; 1:3