Support oxygention and ventlation

A 38-year-old man was recently diagnosed with ARDS and underwent recruitment maneuver. Which of the following the respiratory therapist noticed after the procedure?

• SaO2 increased to 91%

• FiO2 increased to 0.6

• pH drop to 7.30

• PaCO2 increased to 60

Which of the following indicates that a patient is ready to be weaned

• PaO2 is 80mmHg on 30% O2

• The patient has active infections

• Systolic BP is 190 mm Hg

• PaO2/ FIO2 ratio is 100

A respiratory therapist would consider terminate SBT under which of the following circumstances?

• The patient obtained sustained RR of 15 breaths/min

• The SpO2 droped from 94% to 82%

• The systolic blood pressure decreases from 150 to 135 mm HgThe systolic blood pressure decreases from 150

• The heart rate decreases from 90 to 80 beats/min

A 40-year-old woman is admitted to the Emergency Department due to difficulty of breathing. She has a history of emphysema. Physical examination showed decreased tactile fremitus, hyperresonant, accessory muscle use, desaturation, and wheezing.

Which of the following is the most appropriate device?

• Simple face mask

• Non-Rebreathing Mask

• Venturi Mask

• Nasal cannula

A 38-year-old man with a history of COPD brought to the Intensive Care Unit. He was mechanically ventilated on ACVC mode. Two days later the respiratory therapist checked the ventilator waveforms and found the following waveform:

What dose this waveform indicate?

• Overdistension

• Low lung compliance 

• High airway resistance

• Air trapping

Answer explanation

How does patient positioning contribute to improving gas exchange and reducing the risk of hypercapnia and hypoxemia in patients with respiratory insufficiency?

• By increasing fluid intake

• By improving lung expansion and ventilation-perfusion matching

• By reducing heart rate

• By increasing red blood cell production

In what clinical scenarios and for which patient populations is manual ventilation, specifically bag-valve-mask ventilation, indicated as a strategy to optimize gas exchange and prevent hypercapnia and hypoxemia, and what are the key considerations and challenges associated with its implementation?

• Only in pediatric patients

• Only in patients with mild respiratory distress

• In various clinical scenarios and for patients unable to breathe adequately or requiring respiratory support

• Only in patients with chronic obstructive pulmonary disease (COPD)

What is the purpose of adjusting the inspiratory-to-expiratory ratio (I:E ratio) in mechanical ventilation, and how does it impact gas exchange and patient ventilation?

• To increase tidal volume during inspiration

• To decrease respiratory rate

• To optimize gas exchange and prevent air trapping

• To improve lung compliance

Which medical condition is the primary indication for CPAP?

• CHF with pulmonary edema

• Acute MI

• COPD, prior to the use of bronchodilators

• Unconscious Asthma