23
121. Ectodermal derivatives at the cap stage include outer dental epithelium, inner dental
epithelium, and
a. ameloblasts
b. odontoblasts
c. stratum intermedium
d. dental papilla
e. stellate reticulum
122. Which one of the following least accurately describes the difference between mantle and
circumpulpal dentin? Mantle dentin
a. contains ground substance formed by cells other than odontoblasts
b. contains collagen that is less closely packed and interwoven
c. mineralization is not dependent on matrix vesicles
d. is formed before circumpulpal dentin
e. contains collagen that is less closely packed and interwoven
123. All of the following structures may be found in oral mucous membrane except
a. lamina propria
b. basal lamina
c. keratohyaline granules
d. muscularis mucosae
e. stratified squamous epithelium
124. In humans, which one of the following is correct?
a. the parotid gland is chiefly a mixed gland
b. the submandibular gland is chiefly a mucous gland
c. the sublingual is chiefly a serous gland
d. the parotid is chiefly a mucous gland
e. the submandibular gland is chiefly a serous gland
125. At which functional stage would cells of, or arising from, the inner dental epithelium
contain the highest concentration of ribosomes?
a. protective
b. formative (secretory)
c. morphogenic
d. maturation
e. organizing