HESI Dental Hygiene EXAM WITH
PRACTICE QUESTIONS AND VERIFIED
SOLUTIONS LATEST UPDATE
Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found? - ANS>> Plaque-Induced Gingival diseases modified
by systemic factors
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? -
ANS>> Ankyloglossia
When does mixed dentition begin? - ANS>> Eruption of first permanent tooth
How many succedaneous teeth are in permanent dentition? - ANS>> 20
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. - ANS>>
The first statement is true and the second is false
Which factor makes aging enamel less susceptible to caries? - ANS>> reduced
permeability
Which groove is the most identifying characteristic of a three-cusp mandibular
second premolar? - ANS>> Distolingual
Which is true regarding the height of contour? - ANS>> Greatest elevation of tooth
either incisocervically or occlusocervically
Which describes the junction of two surfaces of a crown? - ANS>> line angle
Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle? - ANS>> IV
Which ridge is a unique characteristic of permanent maxillary molars? - ANS>>
Oblique
,Which division of the fifth cranial nerve innervates the temporomandibular joint? -
ANS>> Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve? - ANS>> VII
Which is the target area for the inferior alveolar nerve block? - ANS>> mandibular
foramen on medial surface of mandible
When is tooth eruption complete? - ANS>> Tooth has made contact with its
antagonists in opposing jaw
Which salivary gland is encapsulated? - ANS>> Sublingual
Which type of joint is the temporomandibular? - ANS>> Synovial
Which peripheral nervous system and subdivision are responsible for a shutdown
of salivary gland secretion? - ANS>> autonomic; sympathetic
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? - ANS>> First statement is true second statement is false
Which bacterium is most important in causing the progression of carious lesions? -
ANS>> Aciduric
Anaerobe bacteria - ANS>> grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis? - ANS>> capsule
Which bacteria grow best in refrigerated conditions? - ANS>> Psychrophils
Endotoxin is a virulence property of - ANS>> gram-negative bacteria
When comparing viruses to bacteria, viruses - ANS>> enter host cells before they
can multiply
How many primary and permanent teeth are typically present in an eight yr old
child? - ANS>> 14 primary; 10 permanent
,Which is treated with nystatin? - ANS>> Candidiasis
Which is detected in the blood within two months after successful immunization
with the hepatitis B vaccine? - ANS>> Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex in
examination gloves? - ANS>> I
Each of the following is an antituberculin agent EXCEPT one. Which is the
EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin - ANS>> C. Nizoral
Which condition warrants antibiotic premedication? - ANS>> Repaired congenital
heart disease
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? - ANS>> Renal dialysis shunt
A patient's prescription has the abbreviation "qid" meaning? - ANS>> take
medication four times a day
Which schedule of controlled substance is indicated when a prescription states
"NO REFILLS" - ANS>> schedule II controlled substance
Which vitamin deficiency results from long-term recreational abuse of nitrous
oxide? - ANS>> Cobalamin (vitamin B-12)
Which bacterial genus contains species that cause pneumatic fever, scarlet fever,
and pharyngitis? - ANS>> Streptococcus
Each of the following is a calcium blocking agent EXCEPT one. Which one is the
EXCEPTION? - ANS>> Propranolol (adrenergic blocking agent which reduces
high blood pressure)
Which food is a good source of vitamin K? - ANS>> Kale!
;milk is an excellent source of calcium; strawberries & sweet potatoes are rich in
vitamin c
, Which medication is administered to manage an acute asthma attack? - ANS>>
Albuterol
short acting bronchodilator results in an immediate response to an acute asthma
attack
Lipitor is a/an - ANS>> statin
(lowers cholesterol levels)
Consuming foods high in retinol will help prevent night blindness. Vitamin D
DOES help absorb calcium.
Which meal lacks an excellent source of vitamin C? - ANS>> Steak, brown rice,
and corn
Although corn has some vitamin C, it is not an excellent source as provided from
broccoli, strawberries, and cantaloupe
Which element is found in proteins and not carbohydrates? - ANS>> Iron
Nitrogen is found in protein, but not carbohydrates. Iron is not an element found in
either nutrient. Carbon and oxygen are found in carbohydrates and proteins.
Which vitamin is associated with the deficiency beriberi? - ANS>> Thiamin
Which is primarily responsible for pharmacologic metabolism? - ANS>> Liver
Which procedure establishes the most definitive diagnosis for oral cancer? -
ANS>> Scalpel biopsy
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? - ANS>> Concrescence
Consuming foods high in retinol will help prevent night blindness because vitamin
D helps absorb calcium. - ANS>> Both the statement and reason are correct but
not related.
PRACTICE QUESTIONS AND VERIFIED
SOLUTIONS LATEST UPDATE
Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found? - ANS>> Plaque-Induced Gingival diseases modified
by systemic factors
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? -
ANS>> Ankyloglossia
When does mixed dentition begin? - ANS>> Eruption of first permanent tooth
How many succedaneous teeth are in permanent dentition? - ANS>> 20
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. - ANS>>
The first statement is true and the second is false
Which factor makes aging enamel less susceptible to caries? - ANS>> reduced
permeability
Which groove is the most identifying characteristic of a three-cusp mandibular
second premolar? - ANS>> Distolingual
Which is true regarding the height of contour? - ANS>> Greatest elevation of tooth
either incisocervically or occlusocervically
Which describes the junction of two surfaces of a crown? - ANS>> line angle
Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle? - ANS>> IV
Which ridge is a unique characteristic of permanent maxillary molars? - ANS>>
Oblique
,Which division of the fifth cranial nerve innervates the temporomandibular joint? -
ANS>> Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve? - ANS>> VII
Which is the target area for the inferior alveolar nerve block? - ANS>> mandibular
foramen on medial surface of mandible
When is tooth eruption complete? - ANS>> Tooth has made contact with its
antagonists in opposing jaw
Which salivary gland is encapsulated? - ANS>> Sublingual
Which type of joint is the temporomandibular? - ANS>> Synovial
Which peripheral nervous system and subdivision are responsible for a shutdown
of salivary gland secretion? - ANS>> autonomic; sympathetic
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? - ANS>> First statement is true second statement is false
Which bacterium is most important in causing the progression of carious lesions? -
ANS>> Aciduric
Anaerobe bacteria - ANS>> grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis? - ANS>> capsule
Which bacteria grow best in refrigerated conditions? - ANS>> Psychrophils
Endotoxin is a virulence property of - ANS>> gram-negative bacteria
When comparing viruses to bacteria, viruses - ANS>> enter host cells before they
can multiply
How many primary and permanent teeth are typically present in an eight yr old
child? - ANS>> 14 primary; 10 permanent
,Which is treated with nystatin? - ANS>> Candidiasis
Which is detected in the blood within two months after successful immunization
with the hepatitis B vaccine? - ANS>> Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex in
examination gloves? - ANS>> I
Each of the following is an antituberculin agent EXCEPT one. Which is the
EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin - ANS>> C. Nizoral
Which condition warrants antibiotic premedication? - ANS>> Repaired congenital
heart disease
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? - ANS>> Renal dialysis shunt
A patient's prescription has the abbreviation "qid" meaning? - ANS>> take
medication four times a day
Which schedule of controlled substance is indicated when a prescription states
"NO REFILLS" - ANS>> schedule II controlled substance
Which vitamin deficiency results from long-term recreational abuse of nitrous
oxide? - ANS>> Cobalamin (vitamin B-12)
Which bacterial genus contains species that cause pneumatic fever, scarlet fever,
and pharyngitis? - ANS>> Streptococcus
Each of the following is a calcium blocking agent EXCEPT one. Which one is the
EXCEPTION? - ANS>> Propranolol (adrenergic blocking agent which reduces
high blood pressure)
Which food is a good source of vitamin K? - ANS>> Kale!
;milk is an excellent source of calcium; strawberries & sweet potatoes are rich in
vitamin c
, Which medication is administered to manage an acute asthma attack? - ANS>>
Albuterol
short acting bronchodilator results in an immediate response to an acute asthma
attack
Lipitor is a/an - ANS>> statin
(lowers cholesterol levels)
Consuming foods high in retinol will help prevent night blindness. Vitamin D
DOES help absorb calcium.
Which meal lacks an excellent source of vitamin C? - ANS>> Steak, brown rice,
and corn
Although corn has some vitamin C, it is not an excellent source as provided from
broccoli, strawberries, and cantaloupe
Which element is found in proteins and not carbohydrates? - ANS>> Iron
Nitrogen is found in protein, but not carbohydrates. Iron is not an element found in
either nutrient. Carbon and oxygen are found in carbohydrates and proteins.
Which vitamin is associated with the deficiency beriberi? - ANS>> Thiamin
Which is primarily responsible for pharmacologic metabolism? - ANS>> Liver
Which procedure establishes the most definitive diagnosis for oral cancer? -
ANS>> Scalpel biopsy
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? - ANS>> Concrescence
Consuming foods high in retinol will help prevent night blindness because vitamin
D helps absorb calcium. - ANS>> Both the statement and reason are correct but
not related.
