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Question 1
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Question 2
Incorrect
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The median umbilical ligament is a remnant of what structure?
Your Answer: Paraumbilical Veins
Correct Answer: Urachus
Explanation:MEDIAL umbilical ligament = remnant fetal umbilical arteries
MEDIAN umbilical ligament = remnant of urachus -
This question is part of the following fields:
- Anatomy
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Question 3
Correct
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Which one of the following statements regarding the fetal head is true?
Your Answer: Considered to be engaged when the biparietal diameter passes the level of the pelvic inlet
Explanation:The fetal head is engaged when the head of the foetus or the presenting part enters the pelvic inlet or pelvic brim. It usually occurs at 38 weeks of gestation.
The Spalding sign refers to the overlapping of the fetal skull bones caused by collapse of the fetal brain. It appears usually a week or more after fetal death in utero.
In brow presentation the scalp is deflexed as the foetus is looking upward. Normally the head is inflexed such that the chin is touching the chest. -
This question is part of the following fields:
- Anatomy
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Question 4
Incorrect
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The external anal sphincter is innervated by which nerves?
Your Answer: genitofemoral
Correct Answer: Inferior rectal
Explanation:The external anal sphincter is innervated by the inferior rectal branch of the pudendal nerve (S2-4) while the internal anal sphincter is innervated by autonomic nerves.
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This question is part of the following fields:
- Anatomy
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Question 5
Incorrect
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Which of the following leaves the pelvis via the greater sciatic foramen?
Your Answer: Obturator Nerve
Correct Answer: Pudendal Nerve
Explanation:The pudendal nerve is formed by sacral nerve roots S2, S3 and S4 almost immediately as they exit the spinal foramina. The pudendal nerve exits the pelvis via the greater sciatic foramen, travels behind the sacrospinous ligament before re-entering the pelvis via the lesser sciatic foramen. It is an important nerve to be aware of as it supplies sensation to the genitalia and can also be damaged/compressed at a number of places along its course. Image sourced from Wikipedia
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This question is part of the following fields:
- Anatomy
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Question 6
Correct
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You are asked to assess a patients perineal tear following labour by vaginal delivery. You note a laceration that extends approximately a quarter of the thickness through the external anal sphincter. How would you classify this tear?
Your Answer: 3a
Explanation:1. First-degree trauma corresponds to lacerations of the skin/vaginal epithelium alone.
2. Second-degree tears involve perineal muscles and therefore include episiotomies.
3. Third-degree extensions involve any part of the anal sphincter complex (external and internal sphincters):
i Less than 50 per cent of the external anal
sphincter is torn.
ii More than 50 per cent of the external anal
sphincter is torn.
iii Tear involves the internal anal sphincter
(usually there is complete disruption of the
external sphincter).
4. Fourth-degree tears involve injury to the anal sphincter complex extending into the rectal mucosa. -
This question is part of the following fields:
- Anatomy
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Question 7
Incorrect
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The roof of the femoral triangle is formed by which structure?
Your Answer: Sartorius
Correct Answer: Fascia lata
Explanation:The femoral triangle is bounded:
– Superiorly by the inguinal ligament that forms the base of the femoral triangle.
– Medially by the lateral border of the adductor longus.
– Laterally by the sartorius; the apex of the femoral triangle is formed where the borders of the sartorius and the adductor muscles meet.
– The floor of the femoral triangle is formed by the iliopsoas laterally and the pectineus muscle medially.
– The roof of the femoral triangle is formed by the fascia lata and cribriform
fascia, subcutaneous tissue, and skin. -
This question is part of the following fields:
- Anatomy
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Question 8
Correct
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Regarding the uterine artery which of the following statements are FALSE?
Your Answer: It crosses the Ureter posteriorly
Explanation:The Uterine artery typically arises from the anterior branch of the internal iliac artery. It crosses the ureter ANTERIORLY. It is the primary source of arterial supply to the uterus and its branches anastomose with branches of the ovarian and vaginal arteries.
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This question is part of the following fields:
- Anatomy
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Question 9
Correct
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You see a patient who is 32 weeks pregnant. She complains of tingling to the right buttock and shooting pain down the leg. You suspect Piriformis syndrome. Regarding Piriformis which of the following statements are true?
Your Answer: Insertion is onto the greater trochanter
Explanation:The proximal attachment of the piriformis muscles is from the anterior surface of sacrum and it attaches distally to the superior border of the greater trochanter of the femur. It is innervated by the anterior rami of S1 and S2.
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This question is part of the following fields:
- Anatomy
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Question 10
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