ATI RN
Nursing Fundamentals Oxygenation Questions Questions
Question 1 of 5
This is the amount of heat required to raise the temperature of 1 kg water to 1 degree Celsius
Correct Answer: A
Rationale: A calorie is defined as the heat required to raise 1 kg of water by 1°C, a standard unit of energy.
Question 2 of 5
What is the BMI Of Budek, weighing 120 lbs and has a height of 5 feet 7 inches.
Correct Answer: A
Rationale: For 5'7 (67 inches) and 120 lbs, BMI = (120 ×703) / (67²) = 18.8, closest to 20 (normal range).
Question 3 of 5
Which of the following factors will have the greatest influence on evaporation in a humidifier?
Correct Answer: D
Rationale: Temperature has the greatest influence on evaporation rate in a humidifier because it directly affects the kinetic energy of water molecules, increasing vaporization more than surface area, time, or pressure.
Question 4 of 5
Which of the following strategies would be best to switch a patient with a King LT airway to an ETT?
Correct Answer: D
Rationale: An airway exchange catheter with laryngoscopy is the safest and most effective method to transition from a King LT to an ETT, maintaining airway control.
Question 5 of 5
When listening to heart sounds 'Lub' represents closure of what valve(s)?
Correct Answer: B
Rationale: The 'Lub' (S1) sound is from the closure of the mitral and tricuspid valves at the start of systole.