Anatomy of Inguinal Canal
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Questions and Answers

Where does the superficial ring of the inguinal canal lie?

  • Adjacent and medial to the pubic tubercle (correct)
  • At the lateral edge of the deep ring
  • Above the midpoint of the inguinal ligament
  • Behind the cord

What structures does the inguinal canal transmit in males and females?

  • Spermatic cord in both males and females
  • Spermatic cord in males and round ligament in females (correct)
  • Round ligament in males and spermatic cord in females
  • Round ligament in both males and females

What forms the anterior wall of the inguinal canal?

  • External oblique aponeurosis (correct)
  • Conjoint tendon
  • Internal oblique muscle
  • Transversus abdominis muscle

Where do the inferior epigastric vessels lie in relation to the deep ring of the inguinal canal?

<p>At the medial edge of the deep ring in the posterior wall (C)</p> Signup and view all the answers

What nerve is sensory to the scrotum, labia, and thigh, and lies in the spermatic cord in the inguinal canal?

<p>Ilio-inguinal nerve (B)</p> Signup and view all the answers

What is formed during early development as the testis traverses the inguinal canal to the scrotum?

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

What is the advantage of a transverse incision in the abdomen?

<p>It ensures excellent healing of the scar (A)</p> Signup and view all the answers

Why are transverse incisions particularly useful in the upper abdomen for gall bladder operations?

<p>They provide a strong incision without cutting muscles across-wise (C)</p> Signup and view all the answers

What is the purpose of a Pfannenstiel incision in pelvic operations?

<p>To approach pelvic organs without entering the peritoneum (B)</p> Signup and view all the answers

Why are kidneys best approached from the loin through the bed of the 12th rib?

<p>To prevent entering the pleural cavity (C)</p> Signup and view all the answers

Why are incisions in the abdomen usually closed with a non-absorbable suture like nylon?

<p>To ensure long-term closure strength (B)</p> Signup and view all the answers

What is a unique characteristic of a Pfannenstiel incision compared to other types of abdominal incisions?

<p>It follows skin creases for better scar healing (D)</p> Signup and view all the answers

What type of incision is commonly performed and allows excellent access to all parts of the abdomen?

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

Which structure is divided during a paramedian incision to access the abdominal cavity?

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

What type of incision is usually reserved for appendectomies?

<p>Muscle-splitting 'grid-iron' incision (B)</p> Signup and view all the answers

What is the presentation when a small encysted portion of the processus remains unconnected with the peritoneum or tunica vaginalis?

<p>Hydrocele of the spermatic cord in males (C)</p> Signup and view all the answers

Which incision cuts through the skin and the linea alba without dividing any neurovascular bundles?

<p>Vertical midline incision (C)</p> Signup and view all the answers

During a muscle-splitting 'grid-iron' incision, what fibers are separated after making an oblique skin incision?

<p>External oblique muscle fibers (D)</p> Signup and view all the answers

What can cause a hernia to become irreducible?

<p>Both a and b (D)</p> Signup and view all the answers

What is a sign that an irreducible hernia may be strangulated?

<p>Onset of pain and systemic upset (A)</p> Signup and view all the answers

What is the consequence of arterial obstruction in a strangulated hernia?

<p>Gangrene of the bowel (D)</p> Signup and view all the answers

What is the danger of reducing a tender hernia in masse?

<p>Risk of strangulation (A)</p> Signup and view all the answers

What does the term 'strangulation' mean in the context of a hernia?

<p>Obstruction to the blood supply of the hernia contents (B)</p> Signup and view all the answers

What are indications that the contents of a hernia may be strangulated?

<p>Systemic upset and pain onset (D)</p> Signup and view all the answers

What is a sliding hernia?

<p>A hernia where the sac is composed of bowel that has slid down into it (A)</p> Signup and view all the answers

What is advised for all inguinal hernias, particularly the indirect form?

<p>Consider prophylactic posterior wall repair (D)</p> Signup and view all the answers

What is the purpose of herniorrhaphy in repairing hernias?

<p>To strengthen the medial part of the posterior wall of the canal (B)</p> Signup and view all the answers

In an adult with an indirect sac, what is advisable to perform during repair?

<p>Prophylactic posterior wall repair (D)</p> Signup and view all the answers

What differentiates direct and indirect hernias during repair?

<p>The presence of an indirect sac (D)</p> Signup and view all the answers

What is a characteristic of a hernia that cannot be controlled by pressure over the deep inguinal ring?

<p>Swelling at the medial end of the canal (D)</p> Signup and view all the answers

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