HESI Dental Hygiene Practice
1. Under which classification of gingival diseases and conditions is puber- ty-associated gingivitis found?:
Plaque-Induced Gingival diseases modified by systemic factors
2. A patient presents with a short, thick lingual frenum that results in limited tongue movement affecting speech.
Which is the most likely diagnosis of this condition?: Ankyloglossia
3. When is tooth eruption complete?: Tooth has made contact with its antagonists in opposing jaw
4. When does mixed dentition begin?: eruption of the first permanent tooth
5. How many succedaneous teeth are in permanent dentition?: 20
6. The junction of a buccal and lingual triangular ridge is a transverse ridge. The oblique ridge of a maxillary
molar is an example of a transverse ridge.: The first statement is true and the second is false
7. Which factor makes aging enamel less susceptible to caries?: reduced per- meability
8. Which groove is the most identifying characteristic of a three-cusp mandibular second premolar?:
Distolingual
9. Which is true regarding the height of contour?: Greatest elevation of tooth either incisocervically or
occlusocervically
10.How many primary and permanent teeth are typically present in an eight yr old child?: 14 primary; 10
permanent
11.Which describes the junction of two surfaces of a crown?: line angle
12.Which G.V. Black classification involves the proximal surfaces of anterior teeth including the incised edge
or angle?: IV
13.Which ridge is a unique characteristic of permanent maxillary molars?: -
Oblique
14.Which division of the fifth cranial nerve innervates the temporomandibular joint?: Mandibular
15.Facial paralysis can result from damage to the motor neurons of which cranial nerve?: VII
16.Which is the target area for the inferior alveolar nerve block?: mandibular foramen on medial surface of
mandible
17.Which salivary gland is encapsulated?: Sublingual
18.Which type of joint is the temporomandibular?: synovial
19.Which peripheral nervous system and subdivision are responsible for a shutdown of salivary gland
secretion?: autonomic; sympathetic
20.Destroyed enamel cannot reform since the cells that formed it no longer exist. Cavitated enamel can repair
itself by the incorporation of calcium and phosphate ions from saliva?: First statement is true second statement is
false
, HESI Dental Hygiene Practice
21.Which bacterium is most important in causing the progression of carious lesions?: Aciduric
22.Anaerobe bacteria: grow only in the absence of oxygen
23.Which bacterial structure interferes with phagocytosis?: capsule
24.Which bacteria grow best in refrigerated conditions?: Psychrophils
25.Endotoxin is a virulence property of: gram-negative bacteria
26.When comparing viruses to bacteria, viruses: enter host cells before they can multiply
27.Which is treated with nystatin?: Candidiasis
28.Which is detected in the blood within two months after successful immu- nization with the hepatitis B
vaccine?: Anti-HBs
29.Which hypersensitivity reaction is an allergy to the natural rubber latex in examination gloves?: I
30.Which bacterial genus contains species that cause pneumatic fever, scar- let fever, and pharyngitis?:
Streptococcus
31.Each of the following is an antituberculin agent EXCEPT one. Which is the EXCEPTION?: Nizoral
32.Which condition warrants antibiotic premedication?: Repaired congenital heart disease
33.It is noted the medical history the patient has mitral valve prolapse, a stent, pneumatic heart disease, and a
renal dialysis shunt. For which condition does the patient require antibiotic predication?: Renal dialysis shunt
34.A patient's prescription has the abbreviation "qid" meaning?: take medica- tion four times a day
35.Which schedule of controlled substance is indicated when a prescription states "NO REFILLS": schedule II
controlled substance
36.Which vitamin deficiency results from long-term recreational abuse of nitrous oxide?: Cobalamin
(vitamin B-12)
37.Each of the following is a calcium blocking agent EXCEPT one. Which one is the EXCEPTION?: Propranolol
(adrenergic blocking agent which reduces high blood pressure)
38.Which food is a good source of vitamin K?: Kale!
;milk is an excellent source of calcium; strawberries & sweet potatoes are rich in vitamin c
39.Which medication is administered to manage an acute asthma attack?: Al- buterol
short acting bronchodilator results in an immediate response to an acute asthma attack
, HESI Dental Hygiene Practice
40.Lipitor is a/an: statin (lowers
cholesterol levels)
41.Consuming foods high in retinol will help prevent night blindness because vitamin D helps absorb calcium.:
Both the statement and reason are correct but not related.
Consuming foods high in retinol will help prevent night blindness. Vitamin D DOES help absorb calcium.
42.Which meal lacks an excellent source of vitamin C?: Steak, brown rice, and corn
Although corn has some vitamin C, it is not an excellent source as provided from broccoli, strawberries, and cantaloupe
43.Which element is found in proteins and not carbohydrates?: Nitrogen
Nitrogen is found in protein, but not carbohydrates. Iron is not an element found in either nutrient. Carbon and oxygen ar
found in carbohydrates and proteins.
44.Some vitamin K requirements are met through the synthesis of: intestinal bacteria
45.Which vitamin is associated with the deficiency beriberi?: Thiamin
46.Which is primarily responsible for pharmacologic metabolism?: Liver
47.Which procedure establishes the most definitive diagnosis for oral can- cer?: Scalpel biopsy
48.A 17 yr old presents for a third molar evaluation. The panoramic radiograph reveals the apical thirst of roots
#1 & #2 have fused together. Which best defines this anomaly?: Concrescence
Concrescence is the fusion of 2 individually developed teeth with cementum only. Gemination occurs when a single tooth
bud forms tow joined teeth.
49.A patient's intramural examination reveals a well-circumscribed, raised lesion along the lateral border of
the tongue. The lesion is soft, deep purple and measures 2mm diameter. The patient believes it first appeared
after acci- dentally biting the tongue. Which best defines the lesion?: Hemangioma
50.Intraoral lesions may occur with each of the following condition EXCEPT one. Which one is the
EXCEPTION?: Basal cell carcinoma
Basal cell carcinoma is a skin tumor often found the face or lips, not the oral cavity.
51.Which infectious disease is NOT caused by the coxsackievirus?: Verruca vulgaris
1. Under which classification of gingival diseases and conditions is puber- ty-associated gingivitis found?:
Plaque-Induced Gingival diseases modified by systemic factors
2. A patient presents with a short, thick lingual frenum that results in limited tongue movement affecting speech.
Which is the most likely diagnosis of this condition?: Ankyloglossia
3. When is tooth eruption complete?: Tooth has made contact with its antagonists in opposing jaw
4. When does mixed dentition begin?: eruption of the first permanent tooth
5. How many succedaneous teeth are in permanent dentition?: 20
6. The junction of a buccal and lingual triangular ridge is a transverse ridge. The oblique ridge of a maxillary
molar is an example of a transverse ridge.: The first statement is true and the second is false
7. Which factor makes aging enamel less susceptible to caries?: reduced per- meability
8. Which groove is the most identifying characteristic of a three-cusp mandibular second premolar?:
Distolingual
9. Which is true regarding the height of contour?: Greatest elevation of tooth either incisocervically or
occlusocervically
10.How many primary and permanent teeth are typically present in an eight yr old child?: 14 primary; 10
permanent
11.Which describes the junction of two surfaces of a crown?: line angle
12.Which G.V. Black classification involves the proximal surfaces of anterior teeth including the incised edge
or angle?: IV
13.Which ridge is a unique characteristic of permanent maxillary molars?: -
Oblique
14.Which division of the fifth cranial nerve innervates the temporomandibular joint?: Mandibular
15.Facial paralysis can result from damage to the motor neurons of which cranial nerve?: VII
16.Which is the target area for the inferior alveolar nerve block?: mandibular foramen on medial surface of
mandible
17.Which salivary gland is encapsulated?: Sublingual
18.Which type of joint is the temporomandibular?: synovial
19.Which peripheral nervous system and subdivision are responsible for a shutdown of salivary gland
secretion?: autonomic; sympathetic
20.Destroyed enamel cannot reform since the cells that formed it no longer exist. Cavitated enamel can repair
itself by the incorporation of calcium and phosphate ions from saliva?: First statement is true second statement is
false
, HESI Dental Hygiene Practice
21.Which bacterium is most important in causing the progression of carious lesions?: Aciduric
22.Anaerobe bacteria: grow only in the absence of oxygen
23.Which bacterial structure interferes with phagocytosis?: capsule
24.Which bacteria grow best in refrigerated conditions?: Psychrophils
25.Endotoxin is a virulence property of: gram-negative bacteria
26.When comparing viruses to bacteria, viruses: enter host cells before they can multiply
27.Which is treated with nystatin?: Candidiasis
28.Which is detected in the blood within two months after successful immu- nization with the hepatitis B
vaccine?: Anti-HBs
29.Which hypersensitivity reaction is an allergy to the natural rubber latex in examination gloves?: I
30.Which bacterial genus contains species that cause pneumatic fever, scar- let fever, and pharyngitis?:
Streptococcus
31.Each of the following is an antituberculin agent EXCEPT one. Which is the EXCEPTION?: Nizoral
32.Which condition warrants antibiotic premedication?: Repaired congenital heart disease
33.It is noted the medical history the patient has mitral valve prolapse, a stent, pneumatic heart disease, and a
renal dialysis shunt. For which condition does the patient require antibiotic predication?: Renal dialysis shunt
34.A patient's prescription has the abbreviation "qid" meaning?: take medica- tion four times a day
35.Which schedule of controlled substance is indicated when a prescription states "NO REFILLS": schedule II
controlled substance
36.Which vitamin deficiency results from long-term recreational abuse of nitrous oxide?: Cobalamin
(vitamin B-12)
37.Each of the following is a calcium blocking agent EXCEPT one. Which one is the EXCEPTION?: Propranolol
(adrenergic blocking agent which reduces high blood pressure)
38.Which food is a good source of vitamin K?: Kale!
;milk is an excellent source of calcium; strawberries & sweet potatoes are rich in vitamin c
39.Which medication is administered to manage an acute asthma attack?: Al- buterol
short acting bronchodilator results in an immediate response to an acute asthma attack
, HESI Dental Hygiene Practice
40.Lipitor is a/an: statin (lowers
cholesterol levels)
41.Consuming foods high in retinol will help prevent night blindness because vitamin D helps absorb calcium.:
Both the statement and reason are correct but not related.
Consuming foods high in retinol will help prevent night blindness. Vitamin D DOES help absorb calcium.
42.Which meal lacks an excellent source of vitamin C?: Steak, brown rice, and corn
Although corn has some vitamin C, it is not an excellent source as provided from broccoli, strawberries, and cantaloupe
43.Which element is found in proteins and not carbohydrates?: Nitrogen
Nitrogen is found in protein, but not carbohydrates. Iron is not an element found in either nutrient. Carbon and oxygen ar
found in carbohydrates and proteins.
44.Some vitamin K requirements are met through the synthesis of: intestinal bacteria
45.Which vitamin is associated with the deficiency beriberi?: Thiamin
46.Which is primarily responsible for pharmacologic metabolism?: Liver
47.Which procedure establishes the most definitive diagnosis for oral can- cer?: Scalpel biopsy
48.A 17 yr old presents for a third molar evaluation. The panoramic radiograph reveals the apical thirst of roots
#1 & #2 have fused together. Which best defines this anomaly?: Concrescence
Concrescence is the fusion of 2 individually developed teeth with cementum only. Gemination occurs when a single tooth
bud forms tow joined teeth.
49.A patient's intramural examination reveals a well-circumscribed, raised lesion along the lateral border of
the tongue. The lesion is soft, deep purple and measures 2mm diameter. The patient believes it first appeared
after acci- dentally biting the tongue. Which best defines the lesion?: Hemangioma
50.Intraoral lesions may occur with each of the following condition EXCEPT one. Which one is the
EXCEPTION?: Basal cell carcinoma
Basal cell carcinoma is a skin tumor often found the face or lips, not the oral cavity.
51.Which infectious disease is NOT caused by the coxsackievirus?: Verruca vulgaris
