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A four-week old infant is admitted to the hospital with projectile vomiting that has been occurring for several days. The infant is dehydrated and lethargic. Arterial blood gas tests reveal a blood pH of 7.6. Imaging tests suggest pyloric stenosis is most likely the cause of the projectile vomiting.

A four-week old infant is admitted to the hospital with projectile vomiting that has been occurring for several days. The infant is dehydrated and lethargic. Arterial blood gas tests reveal a blood pH of 7.6. Imaging tests suggest pyloric stenosis is most likely the cause of the projectile vomiting.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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A four-week-old infant is admitted to the hospital with projectile vomiting that has been occurring for several days. The infant is dehydrated and lethargic. Arterial blood gas tests reveal a blood pH of 7.6. Imaging tests suggest pyloric stenosis is most likely the cause of the projectile vomiting. a. Describe the pH of the patient's blood (is it too acidic, too alkaline, or within normal limits?). b. Is the primary cause of the pH imbalance respiratory or metabolic? c. Identify the pH imbalance in this scenario. Your response should include the terms *respiratory* or *metabolic* and *acidosis* or *alkalosis*. d. Describe how his body will compensate to restore homeostasis.
Transcribed Image Text:A four-week-old infant is admitted to the hospital with projectile vomiting that has been occurring for several days. The infant is dehydrated and lethargic. Arterial blood gas tests reveal a blood pH of 7.6. Imaging tests suggest pyloric stenosis is most likely the cause of the projectile vomiting. a. Describe the pH of the patient's blood (is it too acidic, too alkaline, or within normal limits?). b. Is the primary cause of the pH imbalance respiratory or metabolic? c. Identify the pH imbalance in this scenario. Your response should include the terms *respiratory* or *metabolic* and *acidosis* or *alkalosis*. d. Describe how his body will compensate to restore homeostasis.
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