This is the fifth – and final –  in a series of comprehenisve clinical anatomy and imaging questions for the abdomen.  Good luck!

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Abdominal Anatomy Part Five MCQ

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Question 1
Which of the following do not provide support for the male urinary bladder?
A
Puboprostaticus
B
Compressor urethrae
C
Levator ani
D
Prostate parenchyma
Question 2
Which is not true of urinary bladder mucosa?
A
M2 receptors are present
B
Beta2 receptors are adenylate cyclase linked
C
It contains unique transitional epithelium
D
The smooth muscle is not capable of prolonged contracture
Question 3
Which of the following is not true of male catheterisation?
A
A minimum of three points of resistance are to be expected in the substance of the penile body
B
A suprapubic catheter passes through rectus abdominis muscle
C
The process encounters more resistance than in the female
D
BPH could lead to stress incontience
Question 3 Explanation: 
Most likely BPH would cause overflow or or urge incontinence
Question 4

Stem 1 of 4

An 82 year-old male presents to ED with a nine-hour painful history of urinary retention and notable previous diagnosis of BPH.   After three failed urethral catheter attempts, a suprapubic catheter is inserted.
The catheter does not pass through
A
rectus abdominis
B
stratum corneum
C
parietal peritoneum
D
anterior aspect of the rectus sheath
Question 5

Stem 2 of 4

If the patient's urinary bladder were to rupture prior to catheterisation, where would the fluid most likely pass into?
A
Pelvic cavity
B
Thigh
C
Superficial perineal cavity
D
Peritoneal cavity
Question 5 Explanation: 
The urinary bladder is far more likely to rupture at its superior-most point. The adhered visceral peritoneum often tears alongside, causing urine to pass into the peritoneal cavity.
Question 6

Stem 3 of 4

Where is the central micturition centre?
A
Primary somatosensory cortex
B
Midbrain
C
Pons
D
Medulla
Question 7

Stem 4 of 4

The patient has previously been placed on medications to relieve his "overactive bladder".  Which of the following are the most likely to have been prescribed?
A
Beta-3-antagonism
B
Cystoscopy
C
Doxazosin
D
Oxybutynin
Question 8
Which is not an accurate statement of the inguinal canal?
A
Its posterior is partly formed of the insertion of transversus abdominis and internal oblique musculature
B
Its "exit" superficially is found superolateral to the pubic tubercle
C
The gubernaculum is contained within the female canal
D
The nerve supplying cutaneous sensation to the inguinal region (L1 root value) passes through both rings
Question 9
Of the spermatic cord ...
A
A venous plexus within the left cord will drain into the left renal vein usually
B
The autonomics are sympathetic only
C
The round ligament is present in the male canal
D
Hesselbach's triangle represents the outer half of the canal's posterior wall
Question 10
A processus vaginalis analogue has herniated through the internal labia majora of the patient and caused a hydrocele.  What is the patient at immediate risk of developing?
A
A direct inguinal hernia
B
An indirect inguinal hernia
C
A femoral hernia
D
A ductus vaginalis
Question 11
Which of the following is not an important landmark of Hesselbach's triangle?
A
Fascia transversalis
B
Internal oblique muscle
C
Rectus abdominis muscle
D
Inferior epigastric vein
Question 12

Stem 1 of 3

A patient presents with localised back pain about a palpable mass, inferior to the twelfth rib, in a paravertebral location.  On examination, the mass is 7cm x 7cm, normal skin colour, non-reducible, absent of thrills, bowel sounds and does not transilluminate.
The hernia has protruded through a floor of transversalis fascia.  What forms the roof of the space through which this has occurred?
A
Internal oblique muscle
B
Quadratus lumborum muscle
C
External oblique muscle
D
Endothoracic fascia
Question 13

Stem 2 of 3

The following is a border of the space for a Grynfeltt-Lesshaft hernia ...
A
The inferior-most false rib
B
The muscle that runs inferomedially of the abdominal wall
Hint:
q
C
The muscle running superolaterally of the abdominal wall
D
The muscle running longitudinally from the xiphisternum to the pubic ramus
Question 13 Explanation: 
This superior lumbar hernia of Grynfeltt-Lesshaft is bordered by the 12th rib (inferior-most floating rib), internal oblique and quadratus lumborum muscles. The external oblique muscle forms the roof.
Question 14

Stem 3 of 3

What is the transverse vertebral plane representing the base of an inferior lumbar hernia of Petit?
A
Supracristal
B
Subcostal
C
Transpyloric
D
Transtubercular
Question 15
A patient presents to their primary care physician 2 months after an operation to successfully reduce their direct hernia.  The patient is complaining of paraesthesia to the suprapubic region unilaterally that is most apparent when the patient is buckling his belt and dressing himself. Which nerve was most likely to have suffered an iatrogenic lesion?
A
Iliohypogastric
B
Ilioinguinal
C
Lateral femoral cutaneous
D
Genitofemoral
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