RDH Anatomy & Physiology for Dental Hygienists

Question 1

Which bone forms the lower jaw and holds the lower teeth in place?

Accepted Answer

Mandible

Answer

Maxilla

Answer

Zygomatic bone

Answer

Palatine bone

Question 2

Which cranial nerve is primarily responsible for facial expressions?

Accepted Answer

Facial nerve (VII)

Answer

Trigeminal nerve (V)

Answer

Glossopharyngeal nerve (IX)

Answer

Vagus nerve (X)

Question 3

What type of tissue primarily composes the gingiva?

Accepted Answer

Dense fibrous connective tissue

Answer

Cartilage

Answer

Adipose tissue

Answer

Smooth muscle

Question 4

Which artery supplies blood to the maxillary teeth?

Accepted Answer

Posterior superior alveolar artery

Answer

Facial artery

Answer

Lingual artery

Answer

Inferior alveolar artery

Question 5

Which muscle elevates the mandible during chewing?

Accepted Answer

Masseter

Answer

Temporalis

Answer

Lateral pterygoid

Answer

Buccinator

Question 6

Which structure connects the cementum of a tooth to the alveolar bone?

Accepted Answer

Periodontal ligament

Answer

Gingival tissue

Answer

Cementum

Answer

Dentin