Lecturio QBank - Abdomen Flashcards
- What is the inferior midline surface landmark of the abdomen?
Iliac spine
Rectus abdominis
Inguinal ligaments
Xiphoid process
Pubic symphysis
Pubic symphisis
- Which line separates the abdomen into right and left halves?
Linea aspera
Linea semilunaris
Iliopectineal line
Linea alba
Arcuate line
Linea alba
- The costal cartilages of which ribs form the superior boundary of the abdomen?
6, 7, and 8
8, 9, and 10
9, 10, 11, and 12
7, 8, 9, and 10
7, 8, and 9
7, 8, 9, and 10
- Which costal cartilage does the subcostal plane pass through?
12
11
9
8
10
10
- A patient presents to the emergency department with severe pain on the right side of the abdomen and complains of nausea and vomiting. Which abdominal region is most likely affected?
Left inguinal
Pubic
Right inguinal
Right hypochondriac
Epigastric
Right inguinal
- What is the abdominal region where most of the liver is located?
Left inguinal
Right inguinal
Right hypochondrium
Pubic
Left hypochondrium
Right hypochondrium
- What is the boundary between the right hypochondrium and the epigastrium?
Transtubercular line
Left midclavicular line
Right midclavicular line
Subcostal line
Midaxillary line
Right midclavicular line
- McBurney point is a surface landmark for which structure?
Spleen
Pancreas
Right kidney
Appendix
Liver
Appendix
- Which of the following surface landmarks is used to divide the abdomen into distinct regions?
Femur
Umbilicus
Clavicle
Liver
Appendix
Umbilicus
- Which dermatome is associated with the small intestine?
T11
L1
T12
T10
T9
T10
- From superficial to deep, what is the correct order of the layers of the anterolateral abdominal wall?
Skin, subcutaneous tissue, transversus abdominis muscle, oblique muscles, transversalis fascia, peritoneum
Skin, subcutaneous tissue, transversalis fascia, transversus abdominis muscle, oblique muscles, peritoneum
Skin, subcutaneous tissue, transversalis fascia, oblique muscles, transversus abdominis muscle. peritoneum
Skin, subcutaneous tissue, oblique muscles, transversus abdominis muscle, transversalis fascia, peritoneum
Skin, transversalis fascia, subcutaneous tissue, transversus abdominis muscle, oblique muscles, peritoneum
Skin, subcutaneous tissue, oblique muscles, transversus abdominis muscle, transversalis fascia, peritoneum
- Which statement regarding the external oblique muscle is correct?
It originates from the inner surfaces of ribs 10-12.
It originates from the outer surface of ribs 5–12.
It helps with digestion.
The fibers run superiorly and posteriorly.
It has no relationship to intra-abdominal pressure.
It originates from the outer surface of ribs 5–12.
- Which spinal cord segments innervate the external oblique muscle?
T6–T7
T7–T8
T8–T10
T2–T6
T7–T12
T7–T12
- From which structure(s) does the rectus abdominis muscle originate?
Ilium
Xiphisternum and the lowest portion of the body of the sternum
The shaft of ribs 5–7
Pubic crest
The costal cartilage of ribs 5–7
Pubic crest
- Where does the internal oblique muscle originate?
Pubic symphysis
Linea alba
Inguinal canal
The outer surface of ribs 5–12
Anterior iliac crest
Anterior iliac crest
- Which statement best describes the internal oblique muscle?
It inserts onto the costal cartilage of ribs 5–7.
It extends and rotates the trunk.
It does not originate from the inguinal ligament.
It relaxes the internal viscera by decreasing intra-abdominal pressure.
It flexes and rotates the trunk.
It flexes and rotates the trunk.
- What nerves supply the transversus abdominis?
Celiac nerves
Superior mesenteric nerves
Inferior abdominal nerves
Thoraco-abdominal and subcostal nerves
Subphrenic nerves
Thoraco-abdominal and subcostal nerves
- Above the umbilicus, what structures form the posterior layer of the rectus sheath?
Transversus abdominis aponeurosis and transversalis fascia
Transversus abdominis and external oblique aponeurosis
Transversus abdominis and posterior layer of internal oblique aponeurosis
Transversus abdominis aponeurosis and anterior layer of internal oblique aponeurosis
Transversus abdominis and posterior layer of internal oblique aponeurosis
- What is the most posterior structure above the umbilicus in the anterior abdominal wall?
Femoral artery
Anterior lamina of internal oblique muscle
Aponeurosis of transversus abdominis
External oblique muscle
Rectus abdominis muscle
Aponeurosis of transversus abdominis
- Which of the following structures above the umbilicus is surrounded anteriorly and posteriorly by layers of the internal oblique aponeurosis?
Rectus abdominis
Inguinal ligament
External oblique
Masticator
Linea alba
Rectus abdominis
- What is the correct arrangement of muscles below the umbilicus?
External oblique, anterior lamina of internal oblique muscle, and rectus abdominis
External oblique, transversus abdominis, and internal oblique
External oblique, internal oblique, and transversus abdominis
External oblique, posterior lamina of internal oblique muscle, and rectus abdominis
External oblique, rectus abdominis, and internal oblique
External oblique, internal oblique, and transversus abdominis
- Which area would a midline incision between the 2 rectus sheaths cut through?
Iliopectineal line
Linea alba
Arcuate line
Linea aspera
Semilunar line
Linea alba
- Which is the name of the line which demarcates the posteroinferior limit of the rectus sheath?
Linea nigra
Linea semilunaris
Arcuate line
Linea aspera
Linea alba
Arcuate line
- During a cesarean section, a transverse suprapubic incision is made below the arcuate line. Which of the following abdominal wall structures will the incision avoid?
Transversus abdominis muscle
Rectus abdominis muscle
Posterior rectus sheath
Anterior rectus sheath
Skin and subcutaneous tissue
Posterior rectus sheath
- What is the name of the inferior margin of the posterior layer of the transversus abdominis aponeurosis which is created at the site where the rectus abdominis becomes posterior to the aponeurosis?
Arcuate line
Inferior epigastric ligament
Transversalis fascia
Internal inguinal ring
Arcuate line
- The superior epigastric artery is the continuation of which artery?
Subclavian
Inferior epigastric
Musculophrenic
Internal thoracic
Diaphragmatic
Internal thoracic
- The inferior epigastric artery is a branch of which artery?
Musculophrenic
Femoral
Internal thoracic
Internal iliac
External iliac
External iliac
- The musculophrenic artery is a branch of which artery?
Internal thoracic
Subclavian
Inferior epigastric
Superior epigastric
Internal iliac
Internal thoracic
- At which level does the internal thoracic artery divide into 2 branches?
At the level of the 7th costal cartilage
At the level of the 4th costal cartilage
At the level of the 8th costal cartilage
At the level of the 5th costal cartilage
At the level of the 6th costal cartilage
At the level of the 6th costal cartilage
- From which spinal cord segment does the subcostal nerve arise?
T10
T11
T9
T12
T12
- Which nerves arise from the L1 spinal cord segment?
Thoracoabdominal and subcostal nerves
Subcostal and ilioinguinal nerves
Ilioinguinal and iliohypogastric nerves
Thoracoabdominal and iliohypogastric nerves
Subcostal and iliohypogastric nerves
Ilioinguinal and iliohypogastric nerves
- During development, which region do the testes pass through to descend into the scrotum?
Inguinal
Epigastric
Lumbar
Hypochondriac
Umbilical
Inguinal
- Which structure is contained in the inguinal canal in women?
Broad ligament of the uterus
Spermatid cord
Round ligament of the uterus
Uterosacral ligament
Suspensory ligament of the ovary
Round ligament of the uterus
- Which statements describe the inguinal region? Select all that apply.
The inguinal canal transmits the round ligament of the uterus in women.
The inguinal ligament forms the posterior wall of the inguinal canal.
The inguinal ligament extends from the iliac crest to the ischial tuberosity.
The inguinal ligament extends from the anterior superior iliac spine to the pubic tubercle.
The inguinal canal transmits the spermatic cord in men.
The inguinal canal transmits the round ligament of the uterus in women.
The inguinal ligament extends from the anterior superior iliac spine to the pubic tubercle.
The inguinal canal transmits the spermatic cord in men.
- Which structures unite to form the conjoint tendon?
The external oblique and transversus abdominis aponeuroses
The internal oblique aponeurosis and the transversalis fascia
The transversus abdominis aponeurosis and the transversalis fascia
The internal oblique and transversus abdominis aponeuroses
The internal oblique and transversus abdominis aponeuroses
- What is the structure whose free edge forms the inguinal ligament?
Internal oblique
Transversalis fascia
Transversus abdominis
External oblique
External oblique
- Which structure forms the inferior wall (floor) of the inguinal canal?
Transversus abdominis
Inguinal ligament
Internal oblique aponeurosis
External oblique aponeurosis
Inguinal ligament
- Which structure does NOT belong to the spermatic cord?
Testicular artery
Cremasteric artery
Obturator nerve
Ductus deferens
Genital branch of the genitofemoral nerve
Obturator nerve
- What is the correct position of the deep inguinal ring in relation to the inferior epigastric vessels?
It lies posterior to the inferior epigastric vessels.
It lies medial to the inferior epigastric vessels.
It lies inferior to the inferior epigastric vessels.
It lies lateral to the inferior epigastric vessels.
It lies superior to the inferior epigastric vessels.
It lies lateral to the inferior epigastric vessels.
- Which structure contains the slit-like opening called the superficial inguinal ring?
Internal oblique muscle
External oblique aponeurosis
Transversus abdominis muscle
Transversalis fascia
Linea alba
External oblique aponeurosis
- Which structure strengthens the posterior aspect of the superficial inguinal ring to prevent herniation when the intra-abdominal pressure is raised?
Internal oblique muscle
Transversus abdominis muscle
Rectus sheath
Conjoint tendon
External oblique muscle
Conjoin tendon
- Which boundaries of the inguinal canal are formed by the transversalis fascia?
Floor and anterior wall
Anterior and posterior wall
Roof and posterior wall
Roof and floor
Roof and anterior wall
Roof and posterior wall
- Which structure forms the floor of the inguinal canal at the level of the superficial inguinal ring?
Transversalis fascia
Conjoint tendon
Medial crus of external oblique
Lacunar ligament
Inguinal ligament
Lacunar ligament
- Which of the following structures is not found in the inguinal canal in men?
Blood vessels
Iliohypogastric nerve
Genitofemoral nerve
Lymphatics
Spermatic cord
Iliohypogastric nerve
- What is the primary reason why inguinal hernias are more common in men?
Men have weaker abdominal muscles.
Men have larger superficial inguinal rings.
Men have increased intra-abdominal pressure.
The inguinal canal is shorter in men.
Men have larger superficial inguinal rings.
- Which muscle will form the cremaster muscle around the testes?
External oblique
Internal oblique
Transversus abdominis
Rectus abdominis
Transversalis fascia
Internal oblique
- During development, which structure avoids penetration by the testes?
Transversalis fascia
Internal oblique muscle
Transversus abdominis muscle
External oblique muscle
Transversus abdominis muscle
- Which structure will form the deepest layer of the spermatic cord?
Cremaster muscle
Transversalis fascia
Rectus abdominis muscle
External oblique muscle
Internal oblique muscle
Transversalis fascia
- Which muscle will form the cremaster muscle around the testes?
External oblique
Transversalis fascia
Internal oblique
Rectus abdominis
Transversus abdominis
Internal oblique
ECI=EIT
- At which position related to the inferior epigastric vessels do indirect inguinal hernias occur?
Anterior
Inferior
Medial
Superior
Lateral
Lateral
- Which statements regarding indirect inguinal hernias are accurate? Select all that apply.
They are caused by failure of embryonic closure of the processus vaginalis.
The contents usually go into the upper thigh.
They occur lateral to inferior epigastric vessels.
They are less common than direct hernias.
They are congenital.
They are caused by failure of embryonic closure of the processus vaginalis.
They occur lateral to inferior epigastric vessels.
They are congenital.
- Which nerve passes through the superficial inguinal ring and can be injured during hernia repair?
Pudendal nerve
Obturator nerve
Ilioinguinal nerve
Subcostal nerve
Iliohypogastric nerve
Ilioinguinal nerve
- A patient presents with pain in his scrotum. Examination findings show that he has an indirect inguinal hernia that is compressing a nerve. Which nerve is responsible for the patient’s pain?
Iliohypogastric
Obturator
Subcostal
Genitofemoral
Ilioinguinal
Ilioinguinal
- Which structures pass through the deep inguinal ring in women?
Iliohypogastric nerve
Broad ligament of the uterus
Round ligament of the uterus
Ilioinguinal nerve
Spermatic cord
Round ligament of the uterus
- What is known about a direct inguinal hernia?
It occurs at the level of the superficial inguinal ring.
It is typically found in young men.
It exits the abdomen lateral to the inferior epigastric vessels.
It occurs at the level of the deep inguinal ring.
It occurs at the level of the superficial inguinal ring.
- What is the average length of the esophagus in an adult human?
35 cm
15 cm
10 cm
25 cm
5 cm
25 cm
- What is the correct position of the esophagus in relation to the trachea in the neck?
It lies inferior to the trachea.
It lies posterior to the trachea.
It lies anterior to the trachea.
It lies lateral to the trachea.
It lies medial to the trachea.
It lies posterior to the trachea.
- What is the vertebral level where the esophageal hiatus is located?
T8
T10
T6
T12
T10
- Which of the following cardiac structures is located directly anterior to the esophagus?
Left atrium
Apex
Right ventricle
Right atrium
Left ventricle
Left atrium
- What is the vertebral level where the aorta passes through the diaphragm?
T9
T8
T10
T12
T11
T12
- Which artery supplies blood to the esophagus?
Vertebral
Aorta
Subclavian
Brachiocephalic
Common carotid
Aorta
- Which enzyme is released by the chief cells of the stomach?
Glucagon
Trypsinogen
Chymotrypsinogen
Pepsinogen
Amylase
Pepsinogen
- While studying a normal X-ray film, a medical student notices a gas-filled area on the left side of the film. Which structure is it most likely to be?
Duodenum
Esophagus
Heart
Pylorus
Fundus of the stomach
Fundus of the stomach
- Which area of the stomach is attached to the liver via a peritoneal fold?
Body
Lesser curvature
Fundus
Cardiac orifice
Greater curvature
Lesser curvature
- In relation to the stomach, at which position do the kidneys lie?
Superior
Medial
Anterior
Posterior
Lateral
Posterior
- A patient seen in the emergency department complains of severe abdominal rigidity, fullness, and rebound tenderness and is found to have a fever. The patient states a history of nonsteroidal anti-inflammatory drug (NSAID) use due to arthritis and denies having black stools. Which condition is the patient most likely to have?
Appendicitis
Cholecystitis
Hemorrhage
Pancreatitis
Peritonitis
Peritonitis
- Which organ/structure avoids physical contact with the posterior surface of the stomach?
Transverse mesocolon
Liver
Spleen
Pancreas
Kidney
Liver
- Which region of the stomach is positioned superior to the cardiac orifice?
Pylorus
Body
Antrum
Fundus
Fundus
- Which artery supplies the greater curvature of the stomach?
Left gastric
Gastro-omental
Right gastric
Left Omental
Gastro-omental
- A 65-year-old man with diabetes comes to the outpatient department with complaints of nausea, vomiting, and weight loss. He also has gastroparesis. Which nerve is most likely damaged?
Trigeminal
Vagus
Hypoglossal
Abducent
Glossopharyngeal
Vagus
- Which vessel has branches that supply the fundus of the stomach?
Hepatic artery
Right gastro-omental artery
Right gastric artery
Splenic artery
Gastroduodenal artery
Splenic artery
- The thoracic part of the esophagus receives its blood supply from…?
…the superior mesenteric artery.
…the superior thyroid artery.
…the right gastric artery.
…the thoracic aorta.
…the thoracic aorta.
- Which of the following structures is retroperitoneal?
Transverse colon
Ileum
Jejunum
Duodenum
Appendix
Duodenum
- Which organ receives secretions from both the liver and the pancreas?
Jejunum
Duodenum
Colon
Ileum
Stomach
Duodenum
- In which quadrant of the abdomen does the jejunum originate?
Upper right
Lower right
Lower left
Upper left
Upper left
- Which portion of the intestine follows the duodenum directly?
Ileum
Transverse colon
Jejunum
Ascending colon
Jejunum
- Which structure suspends the small intestine from the posterior abdominal wall?
Greater omentum
Lesser omentum
Fat
Mesentery
Ligament
Mesentery
- Which structure becomes continuous with the cecum distal to the ileocecal junction?
Sigmoid colon
Descending colon
Ascending colon
Rectum
Ascending colon
- Which part of the gastrointestinal tract is separate from the small intestine?
Cecum
Ileum
Jejunum
Duodenum
Cecum
- In which segment of the gastrointestinal tract are Brunner’s glands located?
Colon
Jejunum
Stomach
Ileum
Duodenum
Duodenum
- Which statement regarding the small intestine is inaccurate?
Transverse folds in the small intestine are known as plicae.
The plicae disappear with distension.
The small intestine has villi and microvilli.
The small intestine is 6–7 meters long
Ninety percent of nutrient absorption occurs in the small intestine.
The plicae disappear with distension.
- Which statement describes the chyme entering the small intestine?
It is basic.
It is acidic.
It passes through the cardiac sphincter.
It has not undergone any digestive processes.
It is not buffered by pancreatic secretions.
It is acidic.
- In which part of the duodenum is the major duodenal papilla located?
Superior
Descending
Horizontal
Posterior
Ascending
Descending
- The major duodenal papilla is located at the opening of which structure that leads into the duodenum?
Accessory pancreatic duct
Hepatic duct
Cystic artery
Bile duct
Cystic duct
Bile duct
- Which structure sits in the concavity of the duodenum?
The spleen
The neck of the pancreas
The tail of the pancreas
The gallbladder
The head of the pancreas
The head of the pancreas
- Which statement regarding the jejunum and ileum is true?
The jejunum is greater in diameter.
The jejunum has higher quantities of fat in its associated mesentery.
The jejunum has a reduced blood supply.
The jejunum is paler (less red) in color.
The jejunum is greater in diameter.