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Ati Critical Care Proctored Exam Latest Updates 2024/2025
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Ati Critical Care Proctored Exam Latest Updates 2024/2025
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Ati Critical Care Proctored Exam Latest Updates 2024/2025Before PFT's how long should a patient refrain from smoking? Using an inhaler? ANS✔✔ smoking: 6-8 h
inhaler: 4-6 h
What test must you do before performing an arterial puncture? ANS✔✔ Allen's test; patency of the
ulnar artery- if blood returns to hand in 15s, then the radial artery can be used for the puncture
How long should one apply pressure after an arterial puncture? ANS✔✔ 5 minutes (20 min if the patient
is on anticoagulant therapy)
What are the normal ranges for ABG's?
(pH, PAO2, PACO2, HCO3, and SAO2) ANS✔✔ pH: 7.35-7.45
PAO2: 80-100 mm Hg
PACO2: 35-45 mm Hg
HCO3: 21-28 mEq/L
SAO2: 95-100%
In what position should you place a patient if air embolism is expected? ANS✔✔ left side in
trendelenburg
How long must a patient be NPO before a bronchoscopy? ANS✔✔ 4-8 hr
What types of medications might one administer prior to a bronchoscopy? ANS✔✔ anxiolytics
atropine (to treat bradycardia)
viscous lidocaine
local anesthetic throat spray
,What should you be monitoring a patient for after a bronchoscopy? ANS✔✔ significant fever (mild is ok
up to 24 hrs after the procedure), productive cough, significant blood in sputum (small amounts are to
be expected), hypoxemia, laryngspasm
Prior to a thoracentesis what diagnostic procedure must be done? ANS✔✔ CXR
What position should the patient be in for a thoracentesis? ANS✔✔ sitting up over the bedside table
What are possible complications of a thoracentesis? How do we tell patients to identify pneumothorax?
ANS✔✔ mediastinal shifts
pneumothorax (deviated trachea, pain at the end of inhalation or exhalation, affected side not moving
with breath, increased HR, shallow respirations, nagging cough, air hunger)
In what chest tube chamber (ONLY) should you see bubbling? ANS✔✔ suction
What is excessive drainage from a chest tube? ANS✔✔ more than 70 ml/hr
How should the nurse document for care following a chest tube? How often? ANS✔✔ color and amount
of drainage qh for 24h after insertion, then q8h
mark date, hour, and drainage level on the container at the end of each shift
What supplies should be kept at the side of a bed for a patient with a chest tube? ANS✔✔ 2 enclosed
hemostats, sterile water, occlusive dressing
What should the nurse instruct the patient to do during chest tube removal? ANS✔✔ valsalva maneuver
,What should the nurse do in the case that a chest tube is disconnected? ANS✔✔ 1. have the client
exhale as much as they can to remove air from the pleural space
2. immerse the end of the chest tube in sterile water to restore the water seal
3. apply dry sterile gauze
What is the FiO2 and the flow rate for a nasal cannula? at what rate do we need to administer
humidification? ANS✔✔ 24-44%
1-6 L/min
humidification at 4 L/min
What is the FiO2 and the flow rate for a simple face mask? ANS✔✔ 40-60%
5-8 L/min (less than this causes the patient to rebreathe CO2)
What is the FiO2 and the flow rate for a partial rebreather mask? ANS✔✔ 40-75%
6-11 L/min
What is the FiO2 and the flow rate for a non-rebreather? ANS✔✔ 80-95%
10-15 L/min
What is the FiO2 and the flow rate for a venturi mask? ANS✔✔ 24-50%
4-10 L/min
What is the FiO2 and the flow rate for a aerosol face mask, face tent, t-piece, and trach collar? ANS✔✔
24-100%
10 L/min at least
*** Humidification requires frequent monitoring
, What does hypercarbia look like? ANS✔✔ restlessness, hypertension, HA
What does oxygen toxicity look like? ANS✔✔ non-productive cough, substernal pain, nasal stuffiness,
n/v, fatigue, HA, sore throat, hypoventillation
How does assist control (AC) work related to respiratory support? ANS✔✔ overtakes breathing for an
intubated client
How does synchronized intermittent mandatory ventilation (SIMV) work related to respiratory support?
ANS✔✔ used in weaning; increases the work of breathing
ventilator and patient work together
How does assist inverse ratio ventillation (IVR) work related to respiratory support? ANS✔✔ prolongs
the inspiration phase to maximize oxygenation
HIGH RISK FOR VOLUTRAUMA
How does airway pressure release ventilation (APRV) work related to respiratory support? ANS✔✔
patient and ventilator work together
breath expelled by the lung's own natural recoil
How does independent lung ventilation work related to respiratory support? ANS✔✔ lungs are
ventilated separately
need: 2 ventilators, sedation, neuromuscular blocking agents
How does PEEP work related to respiratory support? ANS✔✔ preset pressure on expiration
added to treat persistent hypoxemia
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