Test Yourself: Hernia Quiz

2.

The most likely etiology of a small bowel obstruction in a 45 yo morbidly obese femal with no previous abdominal operation is:

Incarcerated groin hernia
Internal paraduodenal hernia
Adhesions
Meckel's diverticulum

Correct Answer

A. Incarcerated groin hernia

Explanation

Incarcerated groin hernia is the most likely etiology of a small bowel obstruction in a 45-year-old morbidly obese female with no previous abdominal operation. This is because obesity increases the risk of developing hernias, and the presence of a groin hernia can lead to the obstruction of the small bowel. Adhesions are also a common cause of small bowel obstruction, but since the patient has no previous abdominal operation, it is less likely to be the cause in this case. Internal paraduodenal hernia and Meckel's diverticulum are less common causes of small bowel obstruction compared to incarcerated groin hernia.

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3.

Gastroschisis is:

A genetic defect resulting in an abdominal wall defect
The result of an intrauterine umbilical cord rupture
Presence of a peritoneal sac
Associated with multiple congenital anomalies

Correct Answer

A. The result of an intrauterine umbilical cord rupture

Explanation

Gastroschisis is a condition that occurs during fetal development where there is a rupture in the abdominal wall, specifically near the umbilical cord. This rupture leads to the intestines and sometimes other organs protruding outside the body, without the protection of a peritoneal sac. It is not a genetic defect but rather a result of the intrauterine umbilical cord rupture. While gastroschisis can be associated with other congenital anomalies, it is primarily characterized by the abdominal wall defect caused by the umbilical cord rupture.

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4.

The nerve most commonly injured in a laparoscopic preperitoneal inguinal hernia repair is:

Obturator
Genitofemoral
Ilioinguinal
Iliohypogastric

Correct Answer

A. Genitofemoral

Explanation

The genitofemoral nerve is the most commonly injured nerve in a laparoscopic preperitoneal inguinal hernia repair. This nerve runs along the inguinal canal and supplies sensation to the groin and upper thigh. During the surgery, the nerve can be accidentally damaged or compressed, leading to symptoms such as pain, numbness, or weakness in the affected area.

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5.

A characteristic of a spigelian hernia is:

They occur anywhere along the semilunar line
These hernias are readily identified
Interparietal location
Do not have a peritoneal sac

Correct Answer

A. Interparietal location

Explanation

A spigelian hernia is characterized by its interparietal location. This means that the hernia occurs between the layers of the abdominal wall, specifically through the spigelian fascia. Unlike other types of hernias, spigelian hernias do not have a peritoneal sac, which makes them more difficult to diagnose. However, they can be identified through careful examination and imaging techniques.

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6.

What type of hernia involves the protrusion of abdominal contents through the diaphragm into the thoracic cavity?

Inguinal hernia
Femoral hernia
Hiatal hernia
Umbilical hernia

Correct Answer

A. Hiatal hernia

Explanation

A hiatal hernia occurs when part of the stomach pushes upward through the diaphragm. The diaphragm normally has an opening, the hiatus, through which the esophagus passes before connecting to the stomach. In a hiatal hernia, the stomach pushes up through this opening and into the chest. Unlike other types of hernias, which typically involve the abdominal wall, a hiatal hernia specifically involves the diaphragm and the gastrointestinal tract.

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7.

Which hernia is most likely to be strangulated?

Inguinal hernia
Femoral hernia
Hiatal hernia
Umbilical hernia

Correct Answer

A. Femoral hernia

Explanation

Femoral hernias are more prone to strangulation than other types due to their anatomical location in the femoral canal, just below the inguinal ligament. The narrowness of the femoral canal increases the risk of the intestinal segment or fat within the hernia sac becoming constricted, which can cut off blood supply to the herniated tissue. Strangulation is a serious complication that requires immediate surgical intervention to prevent tissue death.

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8.

Which of the following is NOT a common symptom of an inguinal hernia?

A visible bulge in the groin or scrotum.
Pain or discomfort in the groin area, especially when bending over, coughing, or lifting.
Nausea and vomiting.
A high fever.

Correct Answer

A. A high fever.

Explanation

Common symptoms of an inguinal hernia include a visible bulge, pain or discomfort, particularly when engaging in activities such as lifting, bending, or coughing. Nausea and vomiting can also occur, especially if the hernia is strangulated. However, a high fever is not a typical symptom of an inguinal hernia and may indicate another illness or infection.

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9.

During hernia repair surgery, what is the term for the method that involves the placement of a synthetic mesh to reinforce the abdominal wall?

Herniorrhaphy
Hernioplasty
Laparoscopy
Herniotomy

Correct Answer

A. Hernioplasty

Explanation

Hernioplasty, also known as tension-free repair, involves the placement of a synthetic mesh to strengthen the hernia repair area and reduce the risk of recurrence. This method is preferred especially in cases where the surrounding tissue is weak and unlikely to support a simple suture repair (herniorrhaphy) alone. Hernioplasty can be performed using traditional open surgery or through minimally invasive laparoscopic techniques.

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10.

Which factor does NOT increase the risk of developing a hernia?

Chronic cough
Pregnancy
High body mass index (BMI)
Frequent aerobic exercise

Correct Answer

A. Frequent aerobic exercise

Explanation

Factors that increase the risk of developing a hernia include chronic cough, which consistently increases intra-abdominal pressure, pregnancy, which also increases intra-abdominal pressure and stretches tissues, and a high body mass index, which can weaken the abdominal wall. Conversely, frequent aerobic exercise generally strengthens the abdominal and pelvic muscles and is not a risk factor for hernia development; rather, it can potentially help prevent hernias by maintaining a healthy weight and strengthening core muscles.

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Test Yourself: Hernia Quiz

A long-standing scrotal hernia becomes incarcerated and is reduced with difficulty 4 hrs later in the ER. 24 hours later the patient presents with signs of sepsis and an area of localized tenderness in the LLQ and no hernia. The likely cause is:

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The most likely etiology of a small bowel obstruction in a 45 yo morbidly obese femal with no previous abdominal operation is:

Gastroschisis is:

The nerve most commonly injured in a laparoscopic preperitoneal inguinal hernia repair is:

A characteristic of a spigelian hernia is:

What type of hernia involves the protrusion of abdominal contents through the diaphragm into the thoracic cavity?

Which hernia is most likely to be strangulated?

Which of the following is NOT a common symptom of an inguinal hernia?

During hernia repair surgery, what is the term for the method that involves the placement of a synthetic mesh to reinforce the abdominal wall?

Which factor does NOT increase the risk of developing a hernia?