Prepare for the NBDHE Dental Hygiene boards with these flashcard questions and answers. This comprehensive guide covers all board exam topics and clinical scenarios.
Q: The tooth germ consists of all of the following except: Enamel organ, Dental sac, Dental pulp, Dental papilla
Answer: Dental Pulp
Q: Which teeth typically have trifurcations? Mandibular molars, Maxillary molars, Maxillary premo;ars, Mandibular premolars
Answer: Maxillary molars
Q: Which of the following anterior teeth have a cingulum which is located off center toward the distal? Max. lateral incisor, Max. canine, Mand. central incisor, Max. central incisor, Mand. lateral incisor, Mand. canine
Answer: Max. central and lateral incisors, and the mand. canine
Q: Which cells form cementum?
Answer: Cementoblasts
Q: How many roots are visible from the buccal aspect of a maxillary first molar?
Answer: Three
Q: The cusp of caribelli is often found on the: Max first molar, Max. second molar, Mand. first molar, Mand. second molar
Answer: Max. first molar
Q: The primary function of the dental pulp is: Sensory, Nutritive, Formative, Protective
Answer: Formative
Q: Which tooth is the smallest and the narrowest of all the permanent teeth? Max. lateral incisor, Mand. lateral incisor, Mand. central incisor, Maxillary central incisor
Answer: Mand. central incisor
Q: The permanent mandibular canine typically erupts at what age? 5-6 years old, 7-8 years old, 9-10 years old, 12-14 years old
Answer: 9-10 years old
Q: A long depression or a v- shaped valley on the occlusal surface of a posterior tooth between ridges and cusps is referred to as: Fossa, Fissure, Pit, Sulcus
Answer: Sulcus
Q: A small elevation of enamel found on the crown portion of a tooth would be classified as a: tubercle, mamelon, Ridge, Developmental depression
Answer: tubercle
Q: Lymph is moved by: Diffusion, Pressure from the heart, Differing osmotic pressure in the capillaries, active transport
Answer: Differing osmotic pressure in the capillaries
Q: Which nerve supplies motor function to the buccinator muscle? Facial, trigeminal, Glossopharyngeal, Hypoglossal
Answer: Facial
Q: The organs of the central nervous system are covered by 3 connective tissue layers collectively called; Plates, Meninges, Tunics, Fascia
Answer: Meninges
Q: Which artery supplies the mucosa of the hard palate posterior to the Maxillary canine? Greater palatine, posterior superior aleolar, sphenopalatine
Answer: The greater palatine
Q: Which structures carry blood away from the heart?
Answer: Arteries
Q: Which duct is associated with the submandibular gland?
Answer: Wharton’s duct
Q: Which is largest of the twelve cranial nerves and is the principal sensory nerve to the principal sensory nerve to the head , particularly the face?
Answer: Trigeminal
Q: Which nerve provides major innervation to the TMJ?
Answer: Auriculotemporal nerve
Q: Which is the largest lymphatic vessel in the body? Right lymphatic duct, Left lymphatic duct, thoracic duct
Answer: Thoracic duct
Q: What is the best way to palpate the posterior aspect of the mandibular condyle?
Answer: Through the external auditory meatus
Q: The mandibular fossa is a part of which bone? Sphenoid, Mandible, Zygomatic, Temporal
Answer: Temporal
Q: Which cells are most abundant in the periodontal ligament?
Answer: Fibroblasts
Q: Surrounding each tooth is a specialized epithelium known as:
Answer: Junctional epithelium
Q: The periodontal ligament is primarily composed of:
Answer: Collagen fibers
Q: Which group of principal fibers of the periodontal ligament runs perpendicular from the alveolar bone to the cementum and resists lateral forces?
Answer: Horizontal
Q: All of the following types of oral mucosa are nonkeratinized except: Buccal mucosa, soft palate, hard palate, floor of the mouth
Answer: Hard palate
Q: All of the following are part of the periodontium except one, which is the exception: cementum, pdl, gingiva, buccal mucosa, alveolar and supporting bone
Answer: Buccal mucosa
Q: The source of minerals for the subgingival calculus is:
Answer: Crevicular fluid
Q: Which of the following is the key etiololgic agent in the initiation of gingivitis and periodontal disease? Calculus, Plaque, TB abrasion, Saliva
Answer: Plaque
Q: Which of the following needs to be evident in order to make a diagnosis of periodontitis? Bleeding, Pocket depths of 5mm or more, Radiographic evidence of bone loss, a change in tissue color and tone
Answer: Radiographic evidence of bone loss