Anatomy of the Nephron and Urine Analysis
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Questions and Answers

What is the primary function of the glomerulus in the nephron?

  • To reabsorb water
  • To produce urine
  • To secrete waste products
  • To filter blood (correct)

Which of the following is NOT a factor that can affect urine output?

  • Water intake
  • Blood pressure (correct)
  • Nutrient intake
  • Exercise

What is the purpose of urinalysis?

  • To measure urine production
  • To diagnose kidney disease
  • To assess hydration levels
  • To determine the composition of urine (correct)

What is the normal specific gravity range for urine?

<p>1.0 - 1.3 (C)</p> Signup and view all the answers

What is the primary cause of ketones appearing in the urine?

<p>Low carb/protein diet (A)</p> Signup and view all the answers

Which of the following is the term used to describe little urine production due to renal disease?

<p>Oliguria (A)</p> Signup and view all the answers

What is the primary role of vitamin D in the body?

<p>To regulate calcium and phosphate levels in the blood (A)</p> Signup and view all the answers

Why are large drug molecules harder to remove from the body compared to small drugs or hormones?

<p>Large drug molecules cannot be filtered out by the kidneys (C)</p> Signup and view all the answers

What is the primary function of erythropoietin (EPO) produced by the kidneys?

<p>To increase the production of red blood cells (A)</p> Signup and view all the answers

How do the kidneys regulate blood pressure?

<p>Through the production of antidiuretic hormone (ADH), renin, and aldosterone (D)</p> Signup and view all the answers

What is the primary role of the kidneys in maintaining the body's pH balance?

<p>By filtering out excess acid and base from the blood (B)</p> Signup and view all the answers

What is the role of urea in the Loop of Henle?

<p>It rids the body of nitrogen (B)</p> Signup and view all the answers

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

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

What happens if urine is clear?

<p>ADH is being inhibited (C)</p> Signup and view all the answers

How do the kidneys adjust to changes in blood pressure and blood flow?

<p>By auto-regulating and maintaining waste balance (A)</p> Signup and view all the answers

Which hormone is also called vasopressin and works to reabsorb water?

<p>ADH (B)</p> Signup and view all the answers

What is the medical term for urination?

<p>Micturition (B)</p> Signup and view all the answers

Which blood vessel does blood flow from as it enters the kidney?

<p>Descending aorta (A)</p> Signup and view all the answers

What triggers the contraction or relaxation of juxtaglomerular cells in response to flow rate or sodium disturbances?

<p>Adenosine triphosphate (ATP) (D)</p> Signup and view all the answers

Where does most water reabsorption occur in the nephron?

<p>Proximal convoluted tubule (PCT) (A)</p> Signup and view all the answers

What is the function of ADH in the kidneys?

<p>Induce aquaporin channel protein insertion (A)</p> Signup and view all the answers

What does systemic edema indicate?

<p>Excessive fluid accumulation (B)</p> Signup and view all the answers

Which part of the nephron regulates renin release to influence blood volume?

<p>Macula densa (A)</p> Signup and view all the answers

What is the primary function of nephrons in the kidney?

<p>Produce urine (C)</p> Signup and view all the answers

What is the role of aquaporin channel proteins in the kidneys?

<p>Enhance water reabsorption (C)</p> Signup and view all the answers

What happens if too many proteins get into the urine?

<p>Increased water reabsorption (C)</p> Signup and view all the answers

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