ATI RN
Fundamentals of Nursing Oxygenation Questions Questions
Question 1 of 5
Which of the following is TRUE in colostomy feeding?
Correct Answer: B
Rationale: Pouring 30 ml of water before and after flushes the tube, maintaining patency and hydration.
Question 2 of 5
The airway of an unconscious patient with a suspected cervical spine injury can be safely managed by which of the following:
Correct Answer: B
Rationale: Jaw thrust maintains cervical spine neutrality while opening the airway, unlike chin lift which risks spinal movement.
Question 3 of 5
Neurally Adjusted Ventilatory Assist (NAVA) is triggered by excitation of the:
Correct Answer: A
Rationale: NAVA uses diaphragmatic electrical activity via the phrenic nerve to trigger ventilation, synchronizing with patient effort.
Question 4 of 5
Which of these medications are not used to treat COVID-19?
Correct Answer: C
Rationale: Escitalopram is an antidepressant (SSRI), not a treatment for COVID-19, unlike the others which have antiviral or anti-inflammatory roles.
Question 5 of 5
As per Poiseuille's Law, if a patient is polycythemic, the viscosity of the blood is and pressure must to maintain normal blood flow.
Correct Answer: C
Rationale: Polycythemia increases blood viscosity; per Poiseuille's Law, pressure must increase to maintain flow through vessels.