PCU EXAM 2025 QUESTIONS AND VERIFIED ANSWERS

PCU EXAM 2025 QUESTIONS AND VERIFIED ANSWERS


what are normal ABG values? - Correct answer pH: acidic 7.35-7.45 basic




CO2: basic 35-45 acidic




HCO3-: acidic 22-26 basic




normal paO2 - Correct answer 80-100 mmHg




what pH levels are lethal? - Correct answer outside 6.8-7.8




where are ABGs drawn from? what test is done to ensure adequate blood flow? - Correct answer peripheral

artery; allen's test for radial artery




How do the kidneys help maintain acid-base balance? - Correct answer retain/excrete basic HCO3 and

retain/excrete acidic H+




treatments for respiratory acidosis - Correct answer -oxygen

-intubation

-bronchodilators

-drug reversal agents

-incentive spirometer

-suction




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, PCU EXAM 2025 QUESTIONS AND VERIFIED ANSWERS
treatments for respiratory alkalosis - Correct answer -breathing into paper bag

-anxiolytics

-analgesics

-reduce fever

-reduce ventilation

-return to normal altitude




treatments for metabolic acidosis - Correct answer -IV sodium bicarbonate

-manage blood sugar

-antibiotics

-reversal for OD

-anti-diarrheal agents

-dialysis

-encourage respirations/ventilate




treatments for metabolic alkalosis - Correct answer -antiemetics

-stop suctioning

-d/c drugs causing acid loss (diuretics, antacids)

-hydrochloric acid (rare)




what is systolic vs diastolic heart failure? - Correct answer systolic: type of L sided HF with reduced EF of <

40%; impaired contraction




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