Kahoot - Development of Head and Neck

Question 1

The posterior end of the neural tube develops into the:

spinal cord
brain
heart
notochord

Answer 1

spinal cord

Question 2

What is the embryological origin of the hyoid bone?

• The first pharyngeal arch
• The first and second pharyngeal arches
• The second pharyngeal arch
• The second and third pharyngeal arches

Answer 2

The second and third pharyngeal arches

Question 3

Which of the following muscles are derived from the first brachial arch?

• The muscles of mastication
• The muscles of mastication and anterior belly of digastric
• The muscles of mastication and anterior and posterior bellies of digastric
• The muscles of mastication, anterior and posterior bellies of digastric and

Answer 3

The muscles of mastication and anterior belly of digastric

Question 4

The following are derived from the first pharyngeal arch

The malleus
Stylohyoid ligament
Stylohoid muscle
All of the above

Answer 4

The malleus

Question 5

Cleft palate may result from all of the following except

• Deficiency in crest derived mesenchyme
• Lack of shelf movement
• Lack of fusion of the primary with the secondary palate.
• Reduced epithelial adhesiveness of the palatal shelves.

Answer 5

Lack of fusion of the primary with the secondary palate.

Question 6

Skeletal structures derived from the second pharyngeal arch include:

• Stapes
• Lesser cornu of the hyoid bone.
• Cricoid cartilage
• stapes, lesser cornu of hyoid bone

Answer 6

stapes, lesser cornu of hyoid bone

Question 7

Concerning the muscles that are derived from the pharyngeal arches:

• The first arch muscles are the muscles of mastication only.
• The 2ND arch muscles; muscles of facial expression, stylohyoid, stapediius
• The third arch does not give rise to any muscles.
• Muscles of the fourth and sixth arches are innervated by cranial nerves IX

Answer 7

The 2ND arch muscles; muscles of facial expression, stylohyoid, stapediius

Question 8

Abnormal development of the first pharyngeal arch components may result in:

• Hypoplasia of the mandible
• Abnormalities of the middle ear ossicles.
• External ear deformities
• All of the above

Answer 8

All of the above

Question 9

When does development of nervous system occur?

2 weeks
3 weeks
4 weeks
6 weeks

Answer 9

3 weeks

Question 10

What do we call the development of the nervous system?

gastrulation
implantation
neurulation
fertilization

Answer 10

neurulation