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When Does Pressure Occur Science

Fox: Human Physiology, I 17. Physiology of the I Text I I © The McGraw-Hill

Eighth Edition Kidneys Companies, 2003

Clinical Investigation

Emily, a high school senior, visits her family physician complaining of pain in her lower back, somewhere between the twelfth rib and the lumbar vertebrae. Her urine is noticeably discolored, and urinalysis reveals that she has hematuria (blood in the urine). However, she does not report pain during urination.The physician is relieved to see that her urine has only trace amounts of protein. Further examination and tests show that Emily has mild oliguria (reduced urine production), some edema, and an elevated plasma creatinine concentration.

Emily tells the doctor that she is still competing on her cross-country racing team, even though her throat has been sore for almost a month.A throat culture reveals that she has a streptococcus infection. Emily is given antibiotics and hydrochlorothiazide and, within a few weeks, her symptoms are gone.

What was responsible for Emily's symptoms, and why did they disappear with this treatment?

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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