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Question 1
Correct
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A 38 year old man is to undergo excision of the base of the prostate for malignant growth, which of the following structures is directly related to the base of the prostate?
Your Answer: Urinary bladder
Explanation:The prostate is situated in the pelvic cavity and is also located immediately below the internal urethral orifice at the commencement of the urethra. It is held in position by the puboprostatic ligaments, the superior fascia of the urogenital diaphragm and the anterior portions of the levatores ani. The base of the prostate is directed upward and is attached to the inferior surface of the urinary bladder while the apex is directed downward and is in contact with the superior fascia of the urogenital diaphragm.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 2
Correct
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Which of the following structures lying posterior to the ovary are at risk of injury in excision of a malignant tumour in the right ovary?
Your Answer: Ureter
Explanation:The ovaries are two nodular structures situated one on either side of the uterus in relation to the lateral wall of the pelvis and attached to the back of the broad ligament of the uterus, lying posteroinferiorly to the fallopian tubes. Each ovary has a lateral and medial surface. The ureter is at greater risk of iatrogenic injury at this location.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 3
Incorrect
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The prostatic plexus of nerves contains nerve fibres that innervate penile tissue allowing for erection. From which of the following nerves do these fibres originate?
Your Answer: Pudendal
Correct Answer: Pelvic splanchnics
Explanation:Pelvic splanchnic nerves are examples of the parasympathetic nerves that innervate the smooth muscle and glands of the pelvic viscera. They are also the nerves contributing fibres to the prostatic plexus which innervate penile erectile tissue.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 4
Correct
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Question 5
Correct
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The following structures DO NOT lie between the layers of the mesosalpinx except for the?
Your Answer: Fallopian tube
Explanation:Mesosalpinx is the portion of the broad ligament that stretches from the fallopian tube to the ovary and contains the uterine tubes between it’s layers.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 6
Correct
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Prostatectomy carries a risk of loss of penile erection due to injury to the prostatic plexus responsible for an erection. From which nerves do these fibres originate?
Your Answer: Pelvic splanchnics
Explanation:Erection is a function of the parasympathetic nerves. Of the nerves listed, only the pelvic splanchnic nerves have parasympathetic fibres that innervate the smooth muscles and glands of the pelvic viscera.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 7
Correct
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Which name is given to the inferior fascia of the urogenital diaphragm?
Your Answer: Perineal membrane
Explanation:The urogenital fascia is mostly commonly referred to as the perineal membrane. This term refers to an anatomical fibrous membrane in the perineum. It is triangular in shape, and thus at times referred to as the triangular ligament. It is about 4 cm in depth. Its The perineal membrane’s apex is anterior and is separated from the arcuate pubic ligament by an oval opening for the passage of the deep dorsal vein of the penis. The lateral marginas of this triangular ligament are attached on either side to the inferior rami of the pubis and ischium, above the crus penis. Its base faces the rectum, and connects to the central tendinous point of the perineum. The pelvic fascia and Colle’s fascia is fused to the base of this triangle.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 8
Incorrect
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From which fascia of the pelvic wall muscle does the levator ani muscle arise?
Your Answer: Puborectalis
Correct Answer: Obturator internus
Explanation:The levator ani muscle arises from the posterior surface of the superior ramus of the pubis lateral to the symphysis, behind the inner surface of the spine of the ischium and between these points from the obturator internus fascia. It is attached to the inner surface of the side of the lesser pelvic cavity, supports the viscera in the cavity and surrounds the various structures that pass through it.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 9
Correct
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Which lymph nodes are likely to be enlarged in a patient who has malignant growth involving the anus?
Your Answer: Superficial inguinal
Explanation:The lymphatics from the anus, skin of the perineum and the scrotum end in the superficial inguinal nodes. In case of a malignant growth of the anus, the superficial inguinal lymph nodes would most likely be enlarge.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 10
Incorrect
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A 60-year old patient presenting with squamous cell carcinoma of the anal canal was brought in to the oncology ward for chemotherapy. In which of the following lymph nodes of this patient would you likely find metastases?
Your Answer: Superficial inguinal
Correct Answer: Internal iliac
Explanation:The efferent lymphatics from the anal canal proceed to the internal iliac lymph nodes. This would most likely form the site of enlargement in the lymphatics.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 11
Correct
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An episiotomy is indicated for a woman during a difficult vaginal delivery. Whilst the registrar was performing this procedure she made a median cut too far through the perineal body cutting the structure immediately posterior. Which structure is this?
Your Answer: External anal sphincter
Explanation:An episiotomy is an incision that is made whenever there is a risk of a tear during vaginal deliver. A posterolateral incision, as opposed to a median incision is preferred. Of the options given, the external anal sphincter lies right posterior to the perineal body. The sacrospinous and the sacrotuberous ligaments are deep in the perineum that they should not be involved in this.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 12
Correct
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The line which divides the perineum into two triangles is connected to the?
Your Answer: Ischial tuberosities
Explanation:The perineum has it’s deep boundaries in front of the pubic arch and the arcuate ligament of the pubis, behind the tip of the coccyx and on either side of the inferior rami of the pubis and ischium and the sacrotuberous ligament. It also corresponds to the outlet of the pelvis. A line drawn transversely across, in front of the ischial tuberosities divides the space into two portions, the posterior contains the termination of the anal canal and the anterior, contains the external urogenital organs.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 13
Correct
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A patient at the time of her second delivery opted for a bilateral pudendal nerve block. In order to inject the anaesthetic agent near the pudendal nerve a anaesthetic consultant had to insert a finger into the vagina and press laterally to palpate which landmark?
Your Answer: Ischial spine
Explanation:The ischial spine is always palpated through the walls of the vagina when performing a transvaginal pudendal nerve block and can easily be palpated on the lateral wall of the vagina.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 14
Incorrect
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A 25 year old primi gravida lady was scheduled for a regular antenatal check up. During the vaginal exam of this lady, the registrar discovered a malignant growth on the anterior wall of her vagina. Which of the following structures, adjacent to the vagina, is likely to be involved as well?
Your Answer: Rectovesical fascia
Correct Answer: Fundus of the bladder
Explanation:The fundus of the bladder is related anatomically to the anterior surface of the vagina and the urethra as well. If there was a malignant growth in the anterior surface of the vagina, then most likely the fundus of the bladder would be involved as well aspotentially the urethra.
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This question is part of the following fields:
- Anatomy
- Pelvis
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Question 15
Correct
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Which lymph nodes are most likely to enlarge due to the spread of infection through the lymphatic channels in a patient with a boil on his scrotum?
Your Answer: Superficial inguinal nodes
Explanation:The superficial inguinal nodes drain the perineum and the external genitalia which include the scrotum and the labia majora. The testes, however, drain to the lumbar nodes.
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This question is part of the following fields:
- Anatomy
- Pelvis
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