Reproductive

Question 1

Maxillary process -->􀁰 Maxilla, zygoMatic
bone
Mandibular process--> Meckel cartilage
--> Mandible
Malleus and incus,
sphenoMandibular
ligament

Answer 1

1st arch

Question 2

Muscles of Mastication
(temporalis, Masseter,
lateral and Medial
pterygoids), Mylohyoid,
anterior belly of digastric,
tensor tympani, tensor veli
palatini

Answer 2

1st arch

Question 3

Reichert cartilage:
Stapes, Styloid
process, lesser horn
of hyoid, Stylohyoid
ligament

Answer 3

2nd arch

Question 4

Muscles of facial expression,
Stapedius, Stylohyoid,
platySma, posterior belly
of digastric

Answer 4

2nd arch

Question 5

CN V2 and V3

Answer 5

1st arch

Question 6

micrognathia,
glossoptosis, cleft
palate, airway
obstruction

Answer 6

Pierre Robin sequence—

Question 7

—neural crest dysfunction
–>􀁰 mandibular hypoplasia, facial
abnormalities

Answer 7

Treacher Collins

syndrome

Question 8

CN VII (facial
expression)
smile

Answer 8

2nd arch

Question 9

Greater horn of hyoid

Answer 9

3rd arch

Question 10

Stylopharyngeus (think
of stylopharyngeus
innervated by
glossopharyngeal nerve)

Answer 10

3rd arch

Question 11

CN IX (stylopharyngeus)
swallow stylishly

Answer 11

3rd arch

Question 12

Arytenoids, Cricoid,
Corniculate,
Cuneiform, Thyroid
(used to sing and
ACCCT)

Answer 12

4-6 arches

Question 13

most pharyngeal
constrictors; cricothyroid,
levator veli palatini

Answer 13

4TH ARCH

Question 14

all intrinsic
muscles of larynx except
cricothyroid

Answer 14

6th arch

Question 15

form posterior 1⁄3 of tongue;

Answer 15

Arches 3 and 4

Question 16

maxillary artery

Answer 16

1st aortic arch

Question 17

cca and proximal ica

Answer 17

3rd aortic arch

Question 18

stapedial and hyoid artery

Answer 18

2nd aortic arch

Question 19

left (aortic arch) and right is the proximal right subclavian artery

Answer 19

4th aortic arch

Question 20

right recurrent laryngeal nerve wraps around

Answer 20

right subclavian artery

Question 21

ductus arteriosus

Answer 21

6th aortic arch

Question 22

left recurrent laryngeal nerve wraps around

Answer 22

aortic arch

Question 23

external auditory meatus

Answer 23

1st branchial cleft

Question 24

temporal cervical sinuses ; obliterated by 2nd arch mesenchyme

Answer 24

2nd-4th branchial cleft

Question 25

persistent cervical sinus

Answer 25

branchial cleft cyst within lateral neck that doesn't move with swallowing

Question 26

Middle ear cavity, eustachian | tube, mastoid air cells.

Answer 26

1st pouch

Question 27

Epithelial lining of palatine | tonsil.

Answer 27

2nd pouch

Question 28

Dorsal wings 􀁰 inferior parathyroids. Ventral wings 􀁰 thymus.

Answer 28

3rd pouch

Question 29

``` Dorsal wings 􀁰 superior parathyroids. Ventral wings 􀁰 ultimobranchial body 􀁰 parafollicular (C) cells of thyroid. ```

Answer 29

4th pouch

Question 30

Chromosome 22q11 deletion. Aberrant development of 3rd and 4th pouches--> 􀁰 T-cell deficiency (thymic aplasia) and hypocalcemia (failure of parathyroid development). Associated with cardiac defects (conotruncal anomalies).

Answer 30

Digeorge syndrome

Question 31

failure of fusion of the maxillary and | medial nasal processes (formation of 1° palate).

Answer 31

cleft lip

Question 32

failure of fusion of the two lateral palatine shelves or failure of fusion of lateral palatine shelves with the nasal septum and/or median palatine shelf (formation of 2° palate).

Answer 32

cleft palate

Question 33

paramesonephric duct aka

Answer 33

mullerian duct

Question 34

mesonephric duct aka

Answer 34

wolffian duct

Question 35

genital tubercle gives rise to:

Answer 35

glans penis, corpus cavernosum, spongiosum, vestibular bulbs, and glans clitorris

Question 36

glans penis =

Answer 36

glans clitorris

Question 37

corpus cavernosum and spongiosum=

Answer 37

vestibular bulbs

Question 38

urogenital sinus gives rise to

Answer 38

bulbourthral glands of Cowper, prostate gland, greater vestibular glands of bartholin and urethral/paraurethral glands of skene

Question 39

bulbourethral glands =

Answer 39

greater vestibular glands of bartholin

Question 40

prostate gland=

Answer 40

urethral/paraurethral glands of skene

Question 41

ventral shaft of the penis=

Answer 41

labia minoria

Question 42

labia majora=

Answer 42

scrotum

Question 43

labioscrotal swelling gives rise to

Answer 43

the labia major and scrotum

Question 44

urogenital folds give rise to

Answer 44

labia minora and ventral shaft of the penis

Question 45

lymph drainage: | Body of uterus/cervix/superior bladder

Answer 45

􀁰 external iliac nodes.

Question 46

Lymph drainage: | Ovaries/testes

Answer 46

􀁰 para-aortic lymph nodes.

Question 47

Lymph drainage: Prostate/cervix/corpus cavernosum/proximal vagina

Answer 47

􀁰 internal iliac nodes.

Question 48

Lymph drainage: | Distal vagina/vulva/scrotum/distal anus

Answer 48

􀁰 superficial inguinal nodes.

Question 49

Lymph drainage: | Glans penis

Answer 49

􀁰 deep inguinal nodes.