Urinary Anatomy

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Questions and Answers

What is the primary function of the urinary system?

  • To regulate body temperature
  • To remove waste products and drugs from the body (correct)
  • To produce hormones for digestion
  • To regulate blood sugar levels

How many parts does the urinary system consist of?

  • Five
  • Four (correct)
  • Three
  • Six

What is the average weight of the right kidney in men?

  • 120-130 gm
  • 150-170 gm
  • 130-150 gm (correct)
  • 140-160 gm

Where are the kidneys situated in the body?

<p>Posteriorly behind the peritoneum (A)</p> Signup and view all the answers

What is the relationship between the right kidney and the liver?

<p>The right kidney is inferior to the liver (B)</p> Signup and view all the answers

What is the shape of the kidneys?

<p>Bilateral bean-shaped (D)</p> Signup and view all the answers

What is the outermost layer of the kidney?

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

What is the main unit of the medulla in the kidney?

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

How many major calyces are usually present in the kidney?

<p>Two to three (C)</p> Signup and view all the answers

What is the function of the renal hilum?

<p>To transmit renal vessels and nerves (A)</p> Signup and view all the answers

What is the name of the connective tissue sheath that envelops each kidney and suprarenal gland?

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

What is the direction of the base of the renal pyramid?

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

Where do the kidneys drain into?

<p>Lateral aortic (lumbar) lymph nodes (C)</p> Signup and view all the answers

What is the function of the ureters?

<p>To transport urine from the kidney to the bladder (B)</p> Signup and view all the answers

What is the anatomical course of the ureters divided into?

<p>Abdominal and pelvic components (D)</p> Signup and view all the answers

What is the point at which the renal pelvis narrows to form the ureter known as?

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

What are the arteries that supply the abdominal part of the ureters?

<p>Renal artery, testicular/ovarian artery, and ureteral branches from the abdominal aorta (A)</p> Signup and view all the answers

What is the length of the ureters?

<p>25 cm (D)</p> Signup and view all the answers

What is the shape of the fundus of the bladder?

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

What is the function of the detrusor muscle in the bladder?

<p>To facilitate micturition (C)</p> Signup and view all the answers

What is the origin of the arterial supply to the bladder?

<p>Internal iliac artery (B)</p> Signup and view all the answers

Which part of the bladder is continuous with the urethra?

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

What is the type of muscle that makes up the internal urethral sphincter?

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

Where do the lymphatics from the superolateral aspect of the bladder drain into?

<p>External iliac nodes (A)</p> Signup and view all the answers

Which nervous system arms control the bladder?

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

What type of epithelium lines the urethra?

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

What is the approximate length of the male urethra?

<p>15-20cm (C)</p> Signup and view all the answers

What part of the male urethra passes through the prostate gland?

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

What is the approximate length of the female urethra?

<p>3-4cm (C)</p> Signup and view all the answers

What is the function of the mucus-secreting glands in the urethra?

<p>To protect the epithelium from corrosive urine (B)</p> Signup and view all the answers

The urethra is responsible for transporting urine from the kidney to an external opening in the perineum.

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

The male urethra is divided into two parts anatomically.

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

The female urethra is approximately 15-20cm long.

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

The stratified columnar epithelium lining the urethra is protected from the corrosive urine by muscular contractions.

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

The bladder receives input from the somatic nervous system only.

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

The prostate gland is part of the female urinary system.

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

The urethral orifice is the point where the urethra begins.

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

The penile urethra is the part of the male urethra that passes through the pelvic floor.

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

The bladder neck is the point where the urethra ends.

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

The urethra is lined by stratified squamous epithelium.

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

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