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MBBCh 2- ANAT2020A > Week 29 Quiz > Flashcards

Week 29 Quiz Flashcards

1
Q

Which muscle is innervated by the nerve originating from the spinal roots of S1 and S2?

Piriformis muscle

Coccygeus muscle

Levator ani muscles

Obturator internus

External anal sphincter

A

Piriformis muscle

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2
Q

Seminal vesicle

Ejaculatory duct

Bulbo-urethral glands

Ductus deferens

Prostate

A

Seminal vesicle

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3
Q

Identify the structure labelled A -

A

Mesonephric duct

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4
Q

Select a derivative of the structure labelled B -

A

Kidney collecting system

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5
Q

Select a derivative of a structure labelled C -

A

Kidney excretory system

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6
Q

Identify the structure labelled D -

A

Urorectal septum

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7
Q

The pudendal nerve seldom gives rise to the inferior rectal nerve

True or False,

A

False

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8
Q

Choose the TWO incorrect statements regarding the development of the uteroplacental circulation

A. Uterine glands dilate to form sinusoids

B. The spiral arteries provide oxygenated blood and remove deoxygenated blood

C. Lacunae develop within the syncytiotrophoblast that become filled with maternal blood

D. Lacunar networks of the syncytiotrophoblast are the primordia of the intervillous space of the placenta

E. It occurs following complete implantation into the endometrium and closure of the epithelial lining

A

A,B

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9
Q

Testes

Tunica vaginalis

Scrotum

Epididymis

Tunica albuginea

A

Tunica vaginalis

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10
Q

Neural crest cells contribute to the pharyngeal arches, 3.4 and 6 and migrate into the developing heart

True or False,

A

True

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11
Q

Ischio-anal fossa

Rectouterine pouch

Retropubic space

Vesicouterine pouch

Rectovesical pouch

A

Rectouterine pouch

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12
Q

Obturator membrane

Sacrotuberous ligament

Lesser sciatic foramen

Greater sciatic foramen

Sacrospinous ligament

A

Lesser sciatic foramen

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13
Q

The pharyngeal arches consist of a core of somatic mesoderm and neural crest cell-derived mesenchyme

True or False,

A

True

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14
Q

Triangular spaces found bilateral to the inferior aspect of the rectum and the anus are known as:

Inguinal triangles

Ischioanal fossae

Sacrogenital folds

Rectovesical pouches

Urogenital triangle

A

Ischioanal fossae

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15
Q

Choose the TWO incorrect statements regarding the early development of the heart

A. The cardiogenic plate undergoes bilateral canalisation to form two cardiac tubes

B. The pericardial coelom will eventually form the pericardial sac

C. The visceral layer of the pericardium is the endothelial lining of the fused cardiac tube

D. Fibrillary movement is present prior to fusion of the cardiac tubes

E. Myoblasts will differentiate into cardiac muscle

A

C,D

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16
Q

The obturator artery near its origin is crossed by the ureter

True or False,

A

True

17
Q

Coccygeus muscle

Piriformis muscle

Iliococcygeus muscle

Puborectalis muscle

Pubococcygeus muscle

A

Iliococcygeus muscle

18
Q

Which of the following structures are part of the content of the deep perineal pouch in FEMALES?

Greater vestibular glands

Bulbo-urethral glands

Clitoris

Superficial transverse perineal muscle

Proximal urethra

A

Proximal urethra

19
Q

External urethral orifice

Labia minora

Clitoris

Mons pubis

Vaginal orifice

A

External urethral orifice

20
Q

The internal pudendal artery enters the perineum via the lesser sciatic foramen

True or False,

A

True

21
Q

The pudendal nerve supplies mucosa of the anal canal proximal to the pectinate line

True or False,

A

False

22
Q

Dorsal nerve of the penis

Inferior rectal nerve

Genitofemoral nerve

Obturator nerve

Pudendal nerve

A

Inferior rectal nerve

23
Q

The coccygeus muscle originates from the:

A. Anococygeal body

B. Posterior surface of the Iliac crest

C. Perineal body

D. Ischial spine

E. Posterior surface of pubic bone

A

D. Ischial spine

MBBCh 2- ANAT2020A (60 decks)

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