1
HOSA
HOSA DENTAL TERMINOLOGY EXAM
QUESTIONS AND ANSWERS UPDATED
(2024/2025) (VERIFIED ANSWERS)
vesicant - ANS ✓substance that can produce blistering on direct blistering on
direct contact with skin or mucous membrane
basion - ANS ✓midline point at the anterior margin of the occipital foramen
accretions - ANS ✓accumulation of foreign material such as plaque and calculus
on teeth
asynergy - ANS ✓lack of special muscular coordination
hypnic - ANS ✓inducing or pertaining to sleep
eupnea - ANS ✓easy or normal respirations
hypophysis - ANS ✓pituitary gland
parulis - ANS ✓a gumboil
nasion - ANS ✓root of the nose at the median sagittal plane
mucositis - ANS ✓inflammation of the mucous membrane
pronasion - ANS ✓prominent point on the tip of the nose
typodont - ANS ✓artificial model of teeth used for teaching technique exercises
condyle - ANS ✓rounded surface at a bone's articular end
fluoridate - ANS ✓add fluoride to a water supply
HOSA DENTAL
, 2
HOSA
hemangioma - ANS ✓a benign neoplasm
infradentale - ANS ✓most anterior point of the alveolar mandibular process
adjunct - ANS ✓a drug or other substance that serves a supplemental purpose in
therapy
xanthoma - ANS ✓small yellow nodules that generally occur in subcutaneous
tissue
vestibuloplasty - ANS ✓surgical procedure to restore alveolar ridge height
alopecia - ANS ✓deficiency of hair; baldness
apraxia - ANS ✓inability to act purposefully due to selective damage to brain
centres
iodophor - ANS ✓a loose compound of iodine
leucoplakia - ANS ✓white plaque formed on the oral mucous membranes
kyphosis - ANS ✓humpback
kaolin - ANS ✓a fine, pure-white clay
hydrocephalus - ANS ✓abnormal accumulation of fluid in the cranial vault
Abducens - ANS ✓sixth cranial nerve, used for lateral eye sense and movement
Abfraction - ANS ✓loss of tooth surface in the cervical area, caused by tooth
grinding compression forces
acetaminophen - ANS ✓drug used as an aspirin replacement in children
acidifier - ANS ✓a chemical ingredient that maintains the required acidity of the
fixer and stop-bath solutions
acidity - ANS ✓condition of being sour; makes litmus paper red
acquired pellicle - ANS ✓little skin; thin covering on teeth, plaque
HOSA DENTAL
, 3
HOSA
activate - ANS ✓to adjust an appliance so that it will exert effective force on the
teeth and jaws
activator - ANS ✓substance that reacts with the initiator to start polymerization
acute radiation exposure - ANS ✓radiation resulting from a massive, short-
term, ionizing dose, such as an accidental exposure or explosion of radiation
material
adenoid - ANS ✓lymphatic tissue found in the nasopharynx area
adjunctive orthodontics - ANS ✓procedures necessary to correct or restore
function
adrenocorticosteroids - ANS ✓by-products from the adrenal cortex; drugs to
treat inflamed conditions, allergies, and emergencies
ala-tragus line - ANS ✓imaginary line from the ala (wing) of the nose to the ear
meatus (center)
allograft - ANS ✓human bone graft from a person other than the patient
allopexia - ANS ✓deficiency of hair, baldness
alternating pulse sound - ANS ✓alternate weak and strong pulsations
alveolectomy - ANS ✓surgical removal of alveolar bone crests
alveolitis - ANS ✓infection or inflammation of the alveolar bone; a dry socket
alveolus - ANS ✓bone growth on the border of maxilla and mandible; makes up
and forms the tooth sockets
alveoplastomy - ANS ✓surgical reshaping or contouring of alveolar bone
AMBU bag - ANS ✓bag placed over the nose and mouth of the victim to force air
into the lungs
amoxicillin - ANS ✓anti-infective antibiotic drug (ex. Amosil, Larotid)
ampicillin - ANS ✓anti-infective antibiotic type of drug (ex. Polucillin, Omnipen)
HOSA DENTAL
, 4
HOSA
analgesia - ANS ✓without pain
aneroid - ANS ✓dial-type blood pressure device using air pressure readings
aneurysm - ANS ✓dilation of a blood vessel due to wall weakness, possible
rupture
anodyne - ANS ✓agent or drug for pain relief (mild drug)
angina pectoris - ANS ✓pain or pressure around the heart
ankyloglossia - ANS ✓shortness of the lingual frenum, "tongue-tied", limited
tongue movement
ankylosis - ANS ✓stiff joint caused by bone fusion; tooth fixation, retention of a
deciduous tooth
anopsia - ANS ✓blindness
anosmia - ANS ✓loss of sense of smell
anoxia - ANS ✓total lack of oxygen
antagonism - ANS ✓opposite or contrary action of a drug
antagonist - ANS ✓opposing tooth; tooth that occludes or counteracts
antecubital fossa - ANS ✓interior depression of the elbow; blood pressure site
anticoagulants - ANS ✓drugs used to delay or prevent the clotting of blood
antiflux - ANS ✓material, usually graphite, applied to retard the forward
advance of melted solder
antihyperlipids - ANS ✓drugs that decrease or prevent high blood lipid plasma
antipyretic - ANS ✓drug used to reduce a fever
aperture - ANS ✓opening or port in the lead collimator disk that regulates the
size of the beam
apexification - ANS ✓treatment of a nonvital tooth to stimulate closure
HOSA DENTAL
HOSA
HOSA DENTAL TERMINOLOGY EXAM
QUESTIONS AND ANSWERS UPDATED
(2024/2025) (VERIFIED ANSWERS)
vesicant - ANS ✓substance that can produce blistering on direct blistering on
direct contact with skin or mucous membrane
basion - ANS ✓midline point at the anterior margin of the occipital foramen
accretions - ANS ✓accumulation of foreign material such as plaque and calculus
on teeth
asynergy - ANS ✓lack of special muscular coordination
hypnic - ANS ✓inducing or pertaining to sleep
eupnea - ANS ✓easy or normal respirations
hypophysis - ANS ✓pituitary gland
parulis - ANS ✓a gumboil
nasion - ANS ✓root of the nose at the median sagittal plane
mucositis - ANS ✓inflammation of the mucous membrane
pronasion - ANS ✓prominent point on the tip of the nose
typodont - ANS ✓artificial model of teeth used for teaching technique exercises
condyle - ANS ✓rounded surface at a bone's articular end
fluoridate - ANS ✓add fluoride to a water supply
HOSA DENTAL
, 2
HOSA
hemangioma - ANS ✓a benign neoplasm
infradentale - ANS ✓most anterior point of the alveolar mandibular process
adjunct - ANS ✓a drug or other substance that serves a supplemental purpose in
therapy
xanthoma - ANS ✓small yellow nodules that generally occur in subcutaneous
tissue
vestibuloplasty - ANS ✓surgical procedure to restore alveolar ridge height
alopecia - ANS ✓deficiency of hair; baldness
apraxia - ANS ✓inability to act purposefully due to selective damage to brain
centres
iodophor - ANS ✓a loose compound of iodine
leucoplakia - ANS ✓white plaque formed on the oral mucous membranes
kyphosis - ANS ✓humpback
kaolin - ANS ✓a fine, pure-white clay
hydrocephalus - ANS ✓abnormal accumulation of fluid in the cranial vault
Abducens - ANS ✓sixth cranial nerve, used for lateral eye sense and movement
Abfraction - ANS ✓loss of tooth surface in the cervical area, caused by tooth
grinding compression forces
acetaminophen - ANS ✓drug used as an aspirin replacement in children
acidifier - ANS ✓a chemical ingredient that maintains the required acidity of the
fixer and stop-bath solutions
acidity - ANS ✓condition of being sour; makes litmus paper red
acquired pellicle - ANS ✓little skin; thin covering on teeth, plaque
HOSA DENTAL
, 3
HOSA
activate - ANS ✓to adjust an appliance so that it will exert effective force on the
teeth and jaws
activator - ANS ✓substance that reacts with the initiator to start polymerization
acute radiation exposure - ANS ✓radiation resulting from a massive, short-
term, ionizing dose, such as an accidental exposure or explosion of radiation
material
adenoid - ANS ✓lymphatic tissue found in the nasopharynx area
adjunctive orthodontics - ANS ✓procedures necessary to correct or restore
function
adrenocorticosteroids - ANS ✓by-products from the adrenal cortex; drugs to
treat inflamed conditions, allergies, and emergencies
ala-tragus line - ANS ✓imaginary line from the ala (wing) of the nose to the ear
meatus (center)
allograft - ANS ✓human bone graft from a person other than the patient
allopexia - ANS ✓deficiency of hair, baldness
alternating pulse sound - ANS ✓alternate weak and strong pulsations
alveolectomy - ANS ✓surgical removal of alveolar bone crests
alveolitis - ANS ✓infection or inflammation of the alveolar bone; a dry socket
alveolus - ANS ✓bone growth on the border of maxilla and mandible; makes up
and forms the tooth sockets
alveoplastomy - ANS ✓surgical reshaping or contouring of alveolar bone
AMBU bag - ANS ✓bag placed over the nose and mouth of the victim to force air
into the lungs
amoxicillin - ANS ✓anti-infective antibiotic drug (ex. Amosil, Larotid)
ampicillin - ANS ✓anti-infective antibiotic type of drug (ex. Polucillin, Omnipen)
HOSA DENTAL
, 4
HOSA
analgesia - ANS ✓without pain
aneroid - ANS ✓dial-type blood pressure device using air pressure readings
aneurysm - ANS ✓dilation of a blood vessel due to wall weakness, possible
rupture
anodyne - ANS ✓agent or drug for pain relief (mild drug)
angina pectoris - ANS ✓pain or pressure around the heart
ankyloglossia - ANS ✓shortness of the lingual frenum, "tongue-tied", limited
tongue movement
ankylosis - ANS ✓stiff joint caused by bone fusion; tooth fixation, retention of a
deciduous tooth
anopsia - ANS ✓blindness
anosmia - ANS ✓loss of sense of smell
anoxia - ANS ✓total lack of oxygen
antagonism - ANS ✓opposite or contrary action of a drug
antagonist - ANS ✓opposing tooth; tooth that occludes or counteracts
antecubital fossa - ANS ✓interior depression of the elbow; blood pressure site
anticoagulants - ANS ✓drugs used to delay or prevent the clotting of blood
antiflux - ANS ✓material, usually graphite, applied to retard the forward
advance of melted solder
antihyperlipids - ANS ✓drugs that decrease or prevent high blood lipid plasma
antipyretic - ANS ✓drug used to reduce a fever
aperture - ANS ✓opening or port in the lead collimator disk that regulates the
size of the beam
apexification - ANS ✓treatment of a nonvital tooth to stimulate closure
HOSA DENTAL
