The Daily PANCE PANRE Question 7

A 14 year-old is experiencing a severe asthma attack. Although he is using accessory muscles to breath, auscultation of his chest reveals no audible wheezing. His heart rate is 160 and his respiratory rate is 52. Which of the following arterial blood gases represents the worst prognosis? A pH = 7.52; pC02 = 28; p02 = 80 B pH = 7.44; pC02 = 38; p02 = 70 C pH = 7.60; pC02 = 18; p02 = 60 D pH= 7.40; pC02 = 40; p02 = 60 E pH = 7.27; pC02 - 62; p02 = 64 Answer: E This patient has a RR of 52. If she is ventilating, she is blowing of C02 (an acid) and would be alkalotic and should have a low C02. A pH which is acidic with a pC02 which is elevated means that she is no longer ventilating at all (she needs mechanical ventilation or she will die). Note: * This is part of the Daily PANCE and PANRE in your inbox email series: 60 days of PANCE and PANRE Questions and Answers delivered directly to your inbox. It is a great and fun way to learn! If you haven't already you can sign up by clicking Here. The Daily PANCE PANRE Question 7 A 14-year-old is experiencing a severe asthma attack. Although he is using accessory muscles to breath, auscultation of his chest reveals no audible wheezing. His heart rate is 160 and his respiratory rate is 52. Which of the following arterial blood gases represents the worst prognosis? pH = 7.52; pC02 = 28; p02 = 80 pH = 7.44; pC02 = 38; p02 = 70 pH = 7.60; pC02 = 18; p02 = 60 pH= 7.40; pC02 = 40; p02 = 60 pH = 7.27; pC02 - 62; p02 = 64 Answer: E pH = 7.27; pC02 - 62; p02 = 64 This patient has a respiratory rate of 52. If she is ventilating, she is blowing off C02 (an acid) and would be alkalotic and should have a low C02. A pH which is acidic with a pC02 which is elevated means that she is no longer ventilating at all (she needs mechanical ventilation or she will die). Know Your Content BlueprintAcid/Base disorders are part of the NCCPA Content Blueprint Genitourinary System(6%). Read more atSmarty PANCE Acid/Base Disorders. Note: * This is part of the Daily PANCE and PANRE in your inbox email series: 60 days of PANCE and PANRE Questions and Answers delivered directly to your inbox. It is a great and fun way to learn! If you haven't already, you can sign up for FREE by clicking Here. Help support The PA Life for FREE! This is provided as an opportunity for anyone who appreciates this email series to help support it painlessly. If you are going to be purchasing anything from Amazon.com (books, school supplies, etc.) simply start your next Amazon.com purchase by clicking here... it's a free way for you to help support the cause! Just click over to Amazon.com then, when you make your purchase, Amazon will send a portion of the proceeds to The Physician Assistant Life. The money goes toward paying for one-time and ongoing costs (like equipment, hosting, backup services, etc.). Thank you for supporting the site and keeping this content free! 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