The Incredible Functions of the Kidneys
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Questions and Answers

Which of the following is NOT a function of the kidneys?

  • Regulate RBC production (correct)
  • Regulate electrolyte balance
  • Regulate blood volume
  • Form urine

What is the main function of erythropoietin produced by the kidneys?

  • Regulate blood pressure
  • Regulate electrolyte balance
  • Stimulate bone marrow to produce RBCs (correct)
  • Convert vitamin D into active form

Which substances secreted by the kidneys affect blood pressure?

  • Prostaglandin E2 and prostacyclin
  • Renin and prostaglandin E2 and prostacyclin
  • Renin and prostaglandin E2 (correct)
  • Renin and prostacyclin

Which of the following will result in an increased Glomerular Filtration Rate (GFR)?

<p>Increased blood flow (A)</p> Signup and view all the answers

What is the average Glomerular Filtration Rate (GFR) in 1 minute?

<p>125 ml/min (B)</p> Signup and view all the answers

What happens to the Glomerular Filtration Rate (GFR) when there is a decreased blood flow through the kidney?

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

Which structure is considered the functional unit of the kidney?

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

Where does the filtration of blood occur in the nephron?

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

Which part of the nephron is responsible for reabsorbing water and nutrients?

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

Which hormone is released by the kidneys to regulate blood pressure and blood volume?

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

Which system is involved in water retention when there is a decrease in blood supply to the kidneys?

<p>Renin angiotensin aldosterone system (D)</p> Signup and view all the answers

Which hormone is released by the kidneys to promote water retention?

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

Which enzyme converts angiotensin 1 to angiotensin 2?

<p>Angiotensin converting enzyme (B)</p> Signup and view all the answers

What is the main function of angiotensin 2?

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

Which hormone is released as a result of angiotensin 2 stimulation?

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

Which of the following is true when blood pressure (BP) falls?

<p>GFR decreases (C)</p> Signup and view all the answers

What does a decrease in GFR promote?

<p>Retention of sodium, chloride, and water (D)</p> Signup and view all the answers

What happens to GFR when blood pressure falls?

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

Which hormone regulates the osmolality of body fluids and causes renal cells to reabsorb water?

<p>Antidiuretic Hormone (ADH) (C)</p> Signup and view all the answers

What is the main function of Antidiuretic Hormone (ADH)?

<p>To regulate osmolality of body fluids (B)</p> Signup and view all the answers

What effect does Antidiuretic Hormone (ADH) have on urine volume?

<p>Decreases urine volume (A)</p> Signup and view all the answers

Which of the following factors can increase or decrease urine output?

<p>Medications / alcohol (C)</p> Signup and view all the answers

What is considered a danger sign in terms of urine output?

<p>Less than 30mL/hour (D)</p> Signup and view all the answers

Which of the following can affect urine output?

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

Which of the following can affect urine output?

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

What disease can hinder physical activity and make it difficult to reach and use toilet facilities?

<p>Alzheimer's (D)</p> Signup and view all the answers

Which condition can cause end-stage renal disease, uremic syndrome, and autoimmune conditions like SLE and Goodpasture?

<p>Diabetes mellitus (C)</p> Signup and view all the answers

Which condition is characterized by the inability of the bladder to empty?

<p>Urinary retention (D)</p> Signup and view all the answers

What is the term for the involuntary leakage of urine?

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

What does urinary diversion involve?

<p>Diversion of urine to external source (B)</p> Signup and view all the answers

Which term refers to the presence of blood in the urine?

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

What is the term for the condition characterized by the inability of the bladder to empty?

<p>Urinary retention (C)</p> Signup and view all the answers

Which term refers to the excessive production of urine?

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

Which of the following is the characteristic color of urine?

<p>Pale-straw (C)</p> Signup and view all the answers

What is the typical odor of urine?

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

What is the usual clarity of urine, unless pathology is present?

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

Which type of urinalysis is frequently done in nursing homes, doctors offices, and hospitals?

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

What is the source of urine specimens used for urinalysis?

<p>Both dipstick and lab (C)</p> Signup and view all the answers

Which statement is true about urine dipsticks?

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

Which age group is most commonly affected by urinary incontinence?

<p>Older adults (D)</p> Signup and view all the answers

What is the recommended fluid intake for patients, unless medically contraindicated?

<p>6-8 glasses/day (D)</p> Signup and view all the answers

What is one important measure to prevent skin breakdown in individuals with urinary incontinence?

<p>Frequent toileting (C)</p> Signup and view all the answers

What are the indications for dialysis?

<p>Worsening of uremic syndrome associated with end-stage renal disease (A)</p> Signup and view all the answers

What is one of the severe abnormalities that may require dialysis?

<p>Severe electrolyte abnormalities that cannot be controlled by simpler measures (A)</p> Signup and view all the answers

When is dialysis indicated for uremic syndrome?

<p>When uremic syndrome is worsening (A)</p> Signup and view all the answers

Which of the following is the method used in peritoneal dialysis to cleanse the blood of waste products?

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

What is instilled into the peritoneal cavity in peritoneal dialysis?

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

How is the dialysate removed from the peritoneal cavity in peritoneal dialysis?

<p>By gravity (C)</p> Signup and view all the answers

During hemodialysis, what happens to the blood?

<p>The blood is removed and filtered in the dialysis machine (D)</p> Signup and view all the answers

What is the purpose of the semi-permeable filtering membrane in the dialysis machine?

<p>To cleanse the blood by removing waste products (C)</p> Signup and view all the answers

What happens to the blood after it is filtered in the dialysis machine?

<p>The cleansed blood is returned to the patient (B)</p> Signup and view all the answers

Which of the following conditions may lead to the creation of a urinary stoma?

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

What is the purpose of creating a urinary stoma?

<p>To divert urine flow from the kidneys (D)</p> Signup and view all the answers

Are urinary stomas always permanent?

<p>No, they can be temporary or permanent (A)</p> Signup and view all the answers

Which procedure involves placing a tube directly onto the renal pelvis to provide urinary drainage?

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

What does a ureter-ostomy involve?

<p>Bringing the end of one or both ureters to the abdominal surface (A)</p> Signup and view all the answers

Which of the following is the purpose of creating a urinary stoma?

<p>To divert the flow of urine from the kidneys to the abdominal surface (A)</p> Signup and view all the answers

What is the function of the urinary stoma?

<p>To divert the flow of urine from the kidneys to the abdominal surface (A)</p> Signup and view all the answers

Where does the flow of urine get diverted to with a urinary stoma?

<p>The abdominal surface (A)</p> Signup and view all the answers

Which pH range is considered normal for most bacteria?

<p>pH 4.6-8.0 (C)</p> Signup and view all the answers

What type of environment do most bacteria favor?

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

What is the pH range that is considered mildly acidic for maintaining an alkaline environment for bacteria?

<p>pH 4.0-6.0 (C)</p> Signup and view all the answers

Which pH range is considered normal for urine?

<p>4.6-8.0 (D)</p> Signup and view all the answers

What is the average pH of normal urine?

<p>6.0 (A)</p> Signup and view all the answers

Which of the following pH ranges is considered abnormal for urine?

<p>7.0-9.0 (C)</p> Signup and view all the answers

Which of the following is a common sign of kidney diseases?

<p>Protein in the urine (A)</p> Signup and view all the answers

What does the presence of protein in the urine indicate?

<p>Abnormal kidney function (A)</p> Signup and view all the answers

What is the significance of protein in the urine?

<p>It indicates kidney diseases (A)</p> Signup and view all the answers

Which range represents the normal specific gravity?

<p>1.0053 - 1.030 (B)</p> Signup and view all the answers

What is specific gravity a measure of?

<p>Density of a substance (B)</p> Signup and view all the answers

Which of the following is NOT within the normal range for specific gravity?

<p>1.035 (A)</p> Signup and view all the answers

Which of the following is a possible consequence of vesicoureteral reflux?

<p>Urinary tract infection (A)</p> Signup and view all the answers

What is the direction of urine movement in vesicoureteral reflux?

<p>From lower to upper urinary tract (A)</p> Signup and view all the answers

Which anatomical structures are involved in vesicoureteral reflux?

<p>Ureters and bladder (D)</p> Signup and view all the answers

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