Question: The thinnest epithelium of oral cavity is found in the____________?

• 1. Buccal gingiva
• 2. Lingual gingiva
• 3. Oral surface of lip
• 4. Sublingual mucosa (floor of mouth)

Question: The red zones of lips have_____________?

• 1. 30% Sebaceous glands
• 2. 75% sebaceous glands
• 3. very small number of sebaceous glands, if any
• 4. Absolutely no sebaceous glands

Question: Masticatory mucosa in the oral cavity covers the_______________?

• 1. Floor of the mouth and soft palate
• 2. Alveolar mucosa and vestibular fornix
• 3. Lip and cheek
• 4. Gingiva and hard palate

Question: Merkel cells are found in which of the following tissue ______________?

• 1. Epidermis
• 2. Papillary layer of dermis
• 3. Reticular of dermis
• 4. Hypodermis

Question: Non keratinized epithelium is found over___________?

• 1. Attached gingiva
• 2. Free gingiva
• 3. Interdental papilla
• 4. Gingival sulcus

Question: Stratum granulosum is not present in_____________?

• 1. Hyper orthokeratosis
• 2. Hyper parakeratosis
• 3. Non keratinized epithelium
• 4. Sulcular epithelium

Question: Biomechanism that unites the epithelium to the tooth surface is_____________?

• 1. Internal basal lamina
• 2. Junctional epithelium
• 3. Reduced enamel epithelium
• 4. Epithelial attachment

Question: Epithelial cells which ultimately keratinize are known as_____________?

• 1. Keratinizing cells
• 2. Melanocytes
• 3. Non-Keratinizing cells
• 4. Clear cells

Question: Lamina densa of the gingival basement membrane is rich in_____________?

• 1. Type I and III collagen
• 2. Type III collagen
• 3. Type IV collagen
• 4. Type I collagen

Question: In which of the following papillae of the tongue are the taste buds predominantly located ?

• 1. Circumvallate
• 2. Filliform
• 3. Foliate
• 4. Fungiform