Anatomic Science Quiz 15

Age-Related Change in Dentin

As dentin ages, which of the following changes is typically seen?

Age of Tetracycline Administration Causing Staining in a 17-Year-Old

A 17-year-old patient presents with brownish-gray bands across her teeth, indicating previous tetracycline administration. At which of the following ages was the patient MOST likely prescribed tetracycline?

Vitamin Deficiency LEAST Likely to Directly Affect Enamel Structure

Which of the following vitamin deficiencies is LEAST likely to directly affect enamel structure, as its primary role is related to blood clotting factors?

Epithelium Lining Closed Body Cavities (Mesothelium)

Which type of epithelium is most commonly found lining closed body cavities (e.g., pleura, peritoneum), often referred to as mesothelium?

Component of the Basal Lamina/Basement Membrane

Which of the following is TRUE of the basement membrane (Basal Lamina)?

Keratinized Epithelium in the Oral Cavity

Which of the following oral epithelial types is keratinized?

Dental Tissue with the Lowest Organic Composition

Which of the following dental tissues has the LOWEST organic composition?

Age-Related Change in the Dental Pulp

With increased age of the pulp, each of the following occurs EXCEPT:

Structure that Limits Orthodontic Movement

Which of the following portions of the tooth or its associated structures offers resistance to resorption, which would limit orthodontic movement if it were attached to the alveolar bone?

Most Abundant Nerve Ending in the Periodontal Ligament (PDL)

What type of sensory nerve ending is the most abundant neuronal ending found in the periodontal ligament (PDL)?

Depression Connecting Lingual and Facial Papillae

Which of the following is the depression of the interdental gingiva that connects the lingual and facial papillae and is typically nonkeratinized?

FALSE Statement Regarding the Primary Palate

Which of the following statements is FALSE regarding the primary palate?

Defining Feature of Circumpulpal Dentin

Which of the following best describes circumpulpal dentin?

Daily Rate of Enamel Matrix Deposition

During amelogenesis, enamel matrix is laid down each day at a rate of:

Brain Structure Developing LAST in the Fetus

Formation of which of the following brain structures normally occurs LAST in the fetus?

Cell Type Determining the Shape of the Tooth

During odontogenesis, which of the following cell layers largely determines the definitive shape of the tooth to be formed?

Nerve Providing Sensory Innervation to the Skin Over the Parotid Gland

The area of skin covering the parotid gland receives sensory innervation from which nerve?

FALSE Statement Regarding the Sacral Plexus

Each of the following is TRUE regarding the sacral plexus EXCEPT:

179: Cranial Nerve Lacking Efferent Involuntary Parasympathetic Function

Which of the following cranial nerves does NOT have an efferent involuntary parasympathetic function?

Characteristic of Vagus Nerve (CN X) General Visceral Afferent (GVA) Function

Which statement is TRUE regarding the general visceral afferent (GVA) function of the vagus nerve (CN X)?