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?What is the name of the supporting structure of the tooth
Crown
Gingivae
Periodontium
Enamel
:Q2
?Which of the following best describes a biofilm
A type of algae
A type of virus
A group of fungi
A thin layer of bacteria that sticks to a surface
:Q3
?How many baby teeth are in primary dentition
26
20
30
32
:Q4
?Which of the following can cause intrinsic staining
Tetracycline taken as an antibiotic during early childhood or passed to the fetus when the
.mother is pregnant
.Tannin in tea and coffee
.Betel nut chewing
.Tobacco
:Q5
?Which one of the following terms refers to excessive dryness of the mouth
Neuro-linguistic programming
Non-verbal types of communication
Phonics and visual communication
Paralinguistic communication
:Q6
?What is tooth morphology
The study of how teeth grow
The arrangement of teeth in the mouth
The number of teeth in the mouth
The shape of teeth in relation to their function
:Q7
?What is a fissure sealant
A clear aligner for orthodontic treatment
A plastic resin material used to prevent or arrest caries
A dental filling material to replace decay
A toothpaste for sensitive teeth
:Q8
How are intrinsic sugars different from extrinsic sugars according to the Committee on
?Medical Aspects of Food and Nutrition Policy (COMA)
Intrinsic sugars are healthier than extrinsic sugars
Intrinsic sugars are found in processed foods, while extrinsic sugars are found in natural
foods
Intrinsic sugars are added to foods, while extrinsic sugars are natural sugars
Intrinsic sugars are natural sugars found within the cell structure of food, while extrinsic
sugars are released from the cell structure
:Q9
Which of the following is the largest salivary gland and produces 25% of the total volume of
?saliva
Thyroid gland
Parotid gland
Submandibular gland
Sublingual gland
:Q10
?What is the message that the OHE should promote
Healthy gums should be swollen
Healthy gums should be painful
Healthy gums should not bleed
Healthy gums should be red
:Q11
?What are the three main types of caries
Smooth surface, pit and fissure, and root caries
Acute, chronic, and aggressive caries
Root, enamel, and dentin caries
Early childhood, adult, and elderly caries
:Q12
?What is the primary benefit of sugar-free chewing gum
.It increases saliva flow to wash away debris
.It is a substitute for a meal
It is a replacement for brushing teeth
.It neutralizes the acid in the mouth
:Q13
?What is the primary cause of chronic gingivitis
Alcohol consumption
Smoking
Poor oral hygiene
Poor diet
:Q14
?What are the two main types of calculus
Smooth and rough
Organic and inorganic
Soft and hard
Supragingival and subgingival
:Q15
?Which part of the teeth are the most common sites for plaque to form
Occlusal pits and fissures
Incisal edges
Between teeth
In the roots
:Q16
?Which type of teeth are sharp and pointed for gripping and tearing food
Incisors
Molars
Premolars
Canines
:Q17
?Which of the following is the definition of caries
The strengthening of teeth by fluoride treatment
The growth of new teeth
The repair of enamel and dentine
The destruction of enamel, dentine, and cementum due to microbial activity
:Q18
?What is abrasion
The loss of dental hard tissue when bacterial action is not a factor
The loss of dental hard tissue caused by tooth-to-tooth contact
The loss of dental hard tissue from bacterial action
The progressive loss of hard tissue due to mechanical factors other than tooth-to-tooth
contact
مقآإلي
?What are two benefits of fluorinated water
.What is xerostomia? Mention any two causes of xerostomia
Which of the following agencies is widely known and responsible for publishing the
?list of known or suspected occupational carcinogens
.International Labour Organization (ILO)
.Health and Safety Executives (HSE)
.International Agency for Research on Cancer (IARC)
.World Health Organization (WHO)
Which of the following health effects is a consequence of exposure to hexavalent
?,chromium compounds
.Alzheimer’s disease
.Cardiac arrhythmias
.Pulmonary carcinogen
.Glucose metabolism
Which of the following is produced by the incomplete combustion of carbonaceous
?compounds
.CO
.CH4
.O3
.SO4
?Which of the following is one index of acute toxicity in animal studies
.LOAEL
.SCE
.WELs
.LD50
?Which of the following diseases is an occupational Food and water-borne infection
.Escherichia coli
.Hepatitis C virus
.AIDS
Psittacosis
:Q6
?What is the primary role of occupational health in the workplace
.Education
.Practices
.Prevention
.Skills
:Q7
Which of the following diseases is a tick-borne disease that affects deer and rodents
?and can be transmitted to humans
.Malaria
.Psittacosis
.Orf
.Lyme disease
:Q8
Which of the following occupational lung disorders is caused by the accumulation of
?dust in the lungs and tissues reaction to its presence
.Extrinsic allergic alveolitis
.Pneumonia
.Acute inflammation
.Pneumoconiosis
:Q9
Which of the following terms is defined as a multifaceted and multidisciplinary
?activity concerned with the prevention of ill health in employed populations
.Occupational health
.Occupational toxicology
.Occupational therapy
.Occupational epidemiology
:Q10
Which of the following particles is generated by the machining and processing of
?timber and affects mucosal surfaces and the upper respiratory tract
.Synthetic mineral fibers
.Wood dust
.Asbestos
.Coal dust
:Q11
Which of the following diseases is the most common coinfection among those who
?have AIDS due to their compromised immune system
.Tuberculosis
.Hepatitis A
.Avian Flu
.Norovirus
:Q12
Which of the following agents affects the reproductive system that causes
?prematurity and birth defects
.Ionizing radiation
.Anesthetic gases
.Cytotoxic drugs
Calcium carbonate
:Q13
Which of the following occupational groups are at high risk of contracting
?Meningococcal meningitis
.Farmers
.Agricultural advisers
.Ambulance crew
Forestry workers
:Q14
Which of the following terms is defined as the study of substances that can have
?adverse health effects, especially in relatively small doses
.Occupational toxicology
.Occupational epidemiology
.Occupational health
.Occupational therapy
:Q15
Which of the following agencies is the main governmental agency for enforcing
?occupational health and safety legislation in the United States (USA)
.National Health Service (NHS)
.American Conference of Governmental Industrial Hygienists (ACGIH)
.Health and Safety Commission (HSC)
.Occupational Health and Safety Administration (OSHA)
:Q16
Which of the following gases is the product of anaerobic decay of organic matter and
?found in sewers and wherever biodegradable organic matter is stored or dumped
.Methane
.Carbon Dioxide
Nitrogen
.Ammonia
:Q17
Which one of the following countries has a legal requirement for the provision of
?occupational health services
.Developed countries
.Non-industrialized countries
.Developing countries
Rapidly industrialized countries
:Q18
?Which of the following health effects is caused by stochastic ionizing radiation
.Cataracts
.Genetic damage
.Dermatitis
.Acute radiation syndrome
نقال
There are many Health promotions and activities aimed at strengthening the health
status of workers. List any 4 of these Health promotion activities
What are the 4 determinants of the toxicity of substances that can make them
?capable of causing harm
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