ATI RN
Oxygenation Nursing Practice Questions Questions
Question 1 of 5
Which of the following tissue changes is the characteristic of emphysema?
Correct Answer: A
Rationale: Emphysema involves alveolar over-distention, loss of elasticity, and rupture, leading to air trapping.
Question 2 of 5
Calculate the ideal body weight for a female patient that is 5'7⁴€ and weighs 165 lb requiring mechanical ventilation.
Correct Answer: A
Rationale: For females, IBW = 45.5 kg + 2.3 kg per inch over 5 feet. At 5'7⁴€ (7 inches over 5 feet), IBW = 45.5 + (2.3 x 7) = 61.6 kg, closest to 64 kg.
Question 3 of 5
Which drug is not an inotropic agent?
Correct Answer: B
Rationale: Salbutamol is a bronchodilator (beta-2 agonist), not an inotrope, unlike the others which enhance cardiac contractility.
Question 4 of 5
Pulmonary hypertension is defined as a mean pulmonary artery pressure greater than:
Correct Answer: B
Rationale: Pulmonary hypertension is defined as a mean pulmonary artery pressure >25 mmHg at rest.
Question 5 of 5
Which of the following lung volumes or capacities is calculated by adding the tidal volume, inspiratory reserve volume, and expiratory reserve volume?
Correct Answer: C
Rationale: Vital capacity (VC) = Vt + IRV + ERV, representing the maximum volume of air that can be exhaled after maximum inhalation.