FP-C practice questions

FP-C practice questions 2023 Which of the following statements is correct regarding gases as altitude increases ? A. The percentages and total pressure of gases are increased B. The percentages of gases increase as the total gas pressure decreases C. The percentages of gases are unchanges, but the total pressure of the gases decreases. D. The percentages of gases decrease and the total gas pressure remains the same. Ans- C What percentage of the the atmosphere contains Nitrogen? Ans- 78% Gravity is: Ans- The force created by the combined weight of all atmospheric gases upon the surface of the earth. Barometric pressure is: Ans- The weight or force exerted by the atmosphere at any given point. (Physiologic) Efficient Zone Ans- Sea level to 10,00 feet (physiologically) Deficient Zone Ans- 10,000 to 50.000 feet Space equivalent zone Ans- 50,000 to 250,000 feet Space Ans- 250.000 feet The development of gas bubbles within the body at high altitudes is best explained by: A. Boyle's law B. Charles's law C. Henry's law D. Dalton's law Ans- C. Henry's law During a rapid decompression, the rapid change in temperature is best explained by: A. Boyle's law B. Charles's law C. Henry's law D. Dalton's law Ans- B. Charles's law Positive G forces Ans- Blood pools in the lower extremities increasing intravascular pressures and stagnant hypoxia. Can occur during rapid ascent, or turbulence that forces the aircraft upward rapidly. Negative G forces Ans- blood pools in the upper body and may precipitate a headache. Can occur during rapid descent, or turbulence that forces the aircraft downward rapidly. You are exposed to 92 decibels at work, what is the maximal time of unprotected exposure allowed before you are at risk? A. 1 hour B. 2 hours C. 3 hours D. 4 hours Ans- B. 2 hours Decompression sickness is associated with which gas law? A. Boyles law B. Charles's law C. Henry's law D. Graham's law Ans- C. Henry's law (evolved gas disorders) Which of the following IABP timing errors would prevent adequate coronary perfusion? A. Late inflation B. Late deflation C. Early inflation D. Early deflation Ans- A. Late inflation (Early deflation causes a vacuum effect) The opening of which heart valve is associated with arterial systole? A. Mitral valve B. Tricuspid valve C. Aortic valve D. Bicuspid valve Ans- C. Aortic valve During counterpulsation therapy, the IABP balloon should inflate with which of the following events? A. After the P wave B. After the T wave C. Before the dicrotic notch D. After the opening of the aorta Ans- B. After the T wave You are preparing to intubate a 6 year old. You calculate that the ET tube should be: A. 4.5 mm B. 5.o mm C. 5.5 mm D. 6.0 mm Ans- C. 5.5 mm (16 + age in years / 4) A complication of needle jet insufflation is: Ans- It does not allow for adequate exhalation and causes a buildup of CO2