Understanding the Function of the Glomerulus in the Nephron
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Questions and Answers

What is the function of the glomerulus in the nephron?

  • Regulating urine pH
  • Reabsorbing water from filtrate
  • Creating urine (correct)
  • Producing ketones
  • Which factor does not affect urine color?

  • Nutrient intake
  • Water intake
  • Presence of leukocytes (correct)
  • Exercise
  • What do ketones in urine indicate?

  • High protein intake
  • High carb intake
  • Fat utilization for energy (correct)
  • Urinary tract infection
  • What does oliguria refer to?

    <p>Little urine production due to renal disease</p> Signup and view all the answers

    What is the role of the urethra in the urinary system?

    <p>Transporting urine from the bladder to outside the body</p> Signup and view all the answers

    How does specific gravity relate to urine composition?

    <p>It measures the amount of solutes in the urine</p> Signup and view all the answers

    What is the active form of vitamin D?

    <p>Calcitriol</p> Signup and view all the answers

    Which hormone helps in increasing erythrocyte production?

    <p>EPO</p> Signup and view all the answers

    What can happen if there is inadequate vitamin D?

    <p>Osteoporosis</p> Signup and view all the answers

    How do the kidneys help regulate blood pressure?

    <p>By secreting aldosterone</p> Signup and view all the answers

    What is the primary function of EPO?

    <p>Increasing erythrocyte production</p> Signup and view all the answers

    What is the medical term for urination?

    <p>Micturition</p> Signup and view all the answers

    Why do women experience higher rates of UTIs compared to men?

    <p>Due to the shorter urethra length in women</p> Signup and view all the answers

    Which structure regulates the release of renin to influence blood volume in the kidney?

    <p>Juxtaglomerular cells</p> Signup and view all the answers

    What happens if osmolarity is low in the kidney cells?

    <p>They relax to remove more water in the urine</p> Signup and view all the answers

    What is the function of ADH in the kidney?

    <p>Causes aquaporin channel proteins to pull water back for reabsorption</p> Signup and view all the answers

    What is glomerular filtration rate (GFR)?

    <p>Amount of filtrate produced per minute</p> Signup and view all the answers

    What causes smooth muscle contraction and relaxation in blood vessels?

    <p>Alterations in blood pressure</p> Signup and view all the answers

    What is obliged to follow sodium according to the provided text?

    <p>Water molecules</p> Signup and view all the answers

    What happens if a person is overhydrated regarding ADH secretion?

    <p>ADH secretion decreases, leading to more water excretion</p> Signup and view all the answers

    What is the function of the Loop of Henle in the nephron?

    <p>Reabsorb water and some sodium</p> Signup and view all the answers

    Which hormone increases the number of calcium channels in the DCT?

    <p>Parathyroid hormone (PTH)</p> Signup and view all the answers

    What does the myogenic mechanism relate to in kidney function?

    <p>Blood pressure control</p> Signup and view all the answers

    What is the primary function of anti-diuretic hormone (ADH) in the kidney?

    <p>Reabsorb water</p> Signup and view all the answers

    What is the role of natriuretic hormones in kidney function?

    <p>Inhibit aldosterone and promote sodium excretion</p> Signup and view all the answers

    Which hormone influences higher calcium levels in the blood?

    <p>Parathyroid hormone (PTH)</p> Signup and view all the answers

    What happens when aldosterone is released due to increased potassium levels?

    <p>Increased potassium and sodium levels in urine</p> Signup and view all the answers

    What is the primary function of endothelins in the kidneys?

    <p>Induce vasoconstriction</p> Signup and view all the answers

    What reflects blood volume and is measured in the aorta and carotid sinuses?

    <p>Blood pressure</p> Signup and view all the answers

    What is turned into urea in the liver for removal from the body?

    <p>Nitrogen waste</p> Signup and view all the answers

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