Head and Neck final: Pharyngeal arches and pouches

Question 1

**Pharyngeal arches begin to develop in the __ week of development

Answer 1

4th

Question 2

**The ___ bars that appear in the developing neck of the fetus are called the
__ or __ arches

Answer 2

mesodermal
Pharyngeal
Bronchial

Question 3

**Maxillary prominence gives rise to the __, __ and squamous part of the __ bone

Answer 3

maxilla
zygomatic
Temporal

Question 4

**The cartilage of the first arch is ___ cartilage

Answer 4

Meckel’s

Question 5

**The nerve of the first arch is ___ nerve

Answer 5

Mandibular

Question 6

*Skeletal elements of first arch are the __(3)__

Answer 6

Mandible
Incus
Malleus

Question 7

**Muscles developed from first arch are (4) (4 muscles of mastication), __, __, __

Answer 7

masseter
temporalis
lateral pterygoid
medial pterygoid
Anterior Belly Mylohyoid
Tensor Tympani
Tensor Veli Palatini

Question 8

**Second pharyngeal arch (Hyoid arch) makes a major contribution to the formation of the __ bone

Answer 8

Hyoid

Question 9

T**he cartilage of the second arch is ___ cartilage

Answer 9

Reichart’s

Question 10

**The nerve of the second arch is ___ nerve

Answer 10

facial

Question 11

**Skeletal elements of second arch are the __(4)__

Answer 11

Stapes
Styloid Process
Upper part of body of hyoid
Lesser horn of hyoid

Question 12

**The ligament of senond arch is the ___ ligament

Answer 12

stylohyoid

Question 13

**Muscles developed from second arch are the

Answer 13

Occipitofrontalis
Muscles of facial expression
Platysma
Stylohyoid
Post Belly of Digastric
Stapedius

Question 14

**Nerve of third arch is ___

Answer 14

Glossopharyngeal

Question 15

**Skeletal elements of third arch are

Answer 15

Lower body of hyoid

Greater horn of hyoid

Question 16

**Muscle developed from 3rd arch is ___

Answer 16

Stylopharyngeus

Question 17

**Cartilage that develops from 4th and 6th arches

Answer 17

Thyroid
cricoid
aretynoid
corniculate
cuneiform

Question 18

*Muscles that develop from 4th and 6th arches

Answer 18

Cricotyyroid
Levator Veli palatini
All 3 constrictors
Intrinsic Larynx muscles
Striated muscles of esophagus

Question 19

**Second pouch gives rise to __

Answer 19

palatine tonsil

Question 20

**Third pouch gives rise to __ and ___

Answer 20

inferior parathyroid

thymus

Question 21

**Fourth pouch gives rise to superior ___ and ___

Answer 21

parathyroid gland

ultimopharyngeal

Question 22

**Ultimubronchial body gives rise to ___ cells of thyroid gland

Answer 22

parafollicular

Question 23

**Parafollicular cells are also called __ cells to indicate they produce ___, a hormone involved in the regulation of normal calcium levels in body fluids.

Answer 23

C

Calcitonin

Question 24

**Fifth pouch is ___

Answer 24

Rudimentary