Block 6 Anatomy Wk 9 From TA's W Xpl

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| By Chachelly

Chachelly

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Quizzes Created: 513 | Total Attempts: 592,897

Questions: 10 | Attempts: 156 | Updated: Mar 21, 2023

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From your friendly anatomy TA's

Questions and Answers

1.

The anastomotic artery running along the border of the large intestine is called?
- A.
  
  Arcade
- B.
  
  Middle colic
- C.
  
  Splenic
- D.
  
  Marginal
- E.
  
  Vasa recta
Correct Answer
D. Marginal

Explanation
Marginal Artery of Drummond provides anastomoses colic arteries

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2.

An indirect inguinal herniation does which of the following?
- A.
  
  Passes through the deep inguinal ring medial to the inferior epigastric vein
- B.
  
  Passes through Hasselbach’s triangle medial to the inferior epigastric vein
- C.
  
  Passes through Hasselbach’s triangle lateral to the inferior epigastric vein
- D.
  
  Passes through the deep inguinal ring lateral to the inferior epigastric vein
- E.
  
  Leaps over small buildings in a single bound
Correct Answer
D. Passes through the deep inguinal ring lateral to the inferior epigastric vein

Explanation
Simply remember the mnemonic (MD's LI) for these herniations. Medial - Direct; Lateral - Indirect; (both in relation to the inferior epigastric BVs). In case you were wondering, E would be if Superman was having an inguinal hernia. Sorry, you don't get points for fictional characters.

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3.

So 15 year old Johnny is dropped off by his mother at the emergency room because he is being a hassle and complaining of a stomach ache. He says it is around his "belly button real bad". The triage nurse asks him to jump and he tries and falls to the floor due to the pain. The visceral pain sensation from the acute appendicitis is carried by which nerves.
- A.
  
  Para sympathetic fibers running to T8-L3
- B.
  
  Sympathetic fibers running to T9-T11
- C.
  
  Para sympathetic fibers running to S2-S4
- D.
  
  Sympathetic fibers running T5-T9
Correct Answer
B. Sympathetic fibers running to T9-T11

Explanation
MDA page 304 has a great picture of spinal cord levels for abdominal viscera. This question is easy as you really only need to know the dermatome for the umbilicus T10. Parasympathetics are not found in thoracic levels

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4.

A 42-year-old obese woman with seven children is brought to a local hospital by her daughter. Physical examination and her radiograph reveal that large gallstones have eroded through the anterior wall of the fundus of the gallbladder into the intestine. Which of the following parts of the intestine is most likely to initially contain gallstones?
- A.
  
  Cecum
- B.
  
  Ascending colon
- C.
  
  Descending colon
- D.
  
  Transverse colon
- E.
  
  Sigmoid colon
Correct Answer
D. Transverse colon

Explanation
The gallbladder is in close relation to the liver, duodenum and transverse colon.

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5.

A pediatric surgeon is resecting a possible malignant mass from the liver of a neonate with cerebral palsy. The surgeon divides the round ligament of the liver during surgery. A fibrous remnant of which of the following fetal vessels is severed?
- A.
  
  Ductus venosus
- B.
  
  Ductus arteriosus
- C.
  
  Left umbilical vein
- D.
  
  Right umbilical vein
- E.
  
  Umbilical artery
Correct Answer
C. Left umbilical vein

Explanation
Remember the right umbilical vein degenerates very early in the fetus, leaving the left umbilical vein to bypass the liver in fetal circulation.

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6.

A 58-year old man comes to your clinic complaining of an enlarged scrotum. He denies recent trauma. His medical history is positive for high blood pressure and high cholesterol. What is the likely cause for his predicament?
- A.
  
  Atherosclerotic changes of superior mesenteric artery
- B.
  
  Portal hypertension backing up renal vein
- C.
  
  Renal carcinoma of the right kidney invading renal vein
- D.
  
  Twisting of spermatic cord blocking testicular veins
- E.
  
  Indirect inguinal hernia into scrotum
Correct Answer
A. Atherosclerotic changes of superior mesenteric artery

Explanation
Atherosclerotic hardening of the superior mesenteric artery classically compresses the left renal vein preventing the left testicular vein from draining. Thus, the patient has a varicocele of the left testicle. B. portal hypertension backs up the portal venous system, not the somatic venous system. C. A renal carcinoma can invade the renal vein, but the right testicular vein drains directly into the inferior vena cava. D. No trauma so torsion isn't likely. E. Indirect inguinal hernia is most likely in a young patient with a patent processus vaginosis.

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7.

A patient goes into surgery and the surgeon says oh this patient has an ileocolic intussusception, where is the most likely location for this type of pathology?
- A.
  
  Jejunoileal junction
- B.
  
  Second part of the duodenum
- C.
  
  Transverse colon
- D.
  
  Ileocecal valve
- E.
  
  Rectum
Correct Answer
D. Ileocecal valve

Explanation
the most common site of intussusception is when the distal ileum telescopes into the cecum (ileocolic)

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8.

Meckel's Diverticulum:
- A.
  
  Is located 2 feet distal to the ileocecal junction
- B.
  
  May contain ectopic gastric tissue
- C.
  
  Is found in ~2% of the population
- D.
  
  A & C
- E.
  
  B & C
- F.
  
  All of the above
Correct Answer
E. B & C

Explanation
It’s usually located 2 feet proximal to ileocecal junction. The 2 tissue types are pancreatic or gastric.

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9.

During a surgery, you identify a loop of bowel as jejunum. You noticed which of the following features in making your identification.
- A.
  
  Tenia coli, many small arcades, greater blood supply
- B.
  
  Greater blood supply, semilunar folds, few arcades
- C.
  
  Few long arcades, highly vascular, plicae circulares
- D.
  
  Plicae circulares, less vascular, few long arcades
- E.
  
  Less vascular, epiploic appendages, plicae circulares
Correct Answer
C. Few long arcades, highly vascular, plicae circulares

Explanation
Tenia coli, semilunar folds, and epiploic appendages are features of large intestine. The jejunum is more vascularized than the ileum.

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10.

There is hepatocellular carcinoma (HCC) directly medial to the gallbladder and bounded laterally by the falciform ligament in anatomical position. You have just completed your general surgery residency and your attending gives you the task of removing the carcinoma in hopes that it will improve the patient's chance to live. Which anatomical lobe will you remove?
- A.
  
  Left
- B.
  
  Right
- C.
  
  Caudate
- D.
  
  Quadrate
Correct Answer
D. Quadrate

Explanation
http://upload.wikimedia.org/wikipedia/commons/a/a3/Gray1087-liver.pngthe quadrate lobe is bounded by the gallbladder and the falciform ligament.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Mar 18, 2012

Quiz Created by
Chachelly

Block 6 Anatomy Wk 9 From Ta's W Xpl

The anastomotic artery running along the border of the large intestine is called?

An indirect inguinal herniation does which of the following?

A pediatric surgeon is resecting a possible malignant mass from the liver of a neonate with cerebral palsy. The surgeon divides the round ligament of the liver during surgery. A fibrous remnant of which of the following fetal vessels is severed?

A 58-year old man comes to your clinic complaining of an enlarged scrotum. He denies recent trauma. His medical history is positive for high blood pressure and high cholesterol. What is the likely cause for his predicament?

A patient goes into surgery and the surgeon says oh this patient has an ileocolic intussusception, where is the most likely location for this type of pathology?

Meckel's Diverticulum:

During a surgery, you identify a loop of bowel as jejunum. You noticed which of the following features in making your identification.