MDS PREP
Badges should be worn by dental technician every
1. 1 month
2. 3 months
3. 6 months
4. 4 months
Oral Pathology
Answer: 1
Badges should be worn by dental technicians every 3 months to monitor radiation exposure.
Sickle cell trait patient do not have manifestations as that of Sickle cell disease, because-
1) 50% HbS is required for occurrence of sickling
2) HbA prevents sickling
3) 50% sickles
4) HbA prevents polymerization of Hbs
General Pathology
Answer: 1
HbA prevents sickling in sickle cell trait patients because the presence of normal hemoglobin (HbA) reduces the proportion of HbS, preventing polymerization.
A bacterial disease with oral manifestations is
1. Herpes Measles
2. Measles
3. Diphtheria
4. Leishmaniasis
Oral Pathology
Answer: 3
Diphtheria serious bacterial infection that usually affects the mucous
membranes of the nose and throat.
Diphtheria signs and symptoms usually begin 2 to 5 days after a person becomes
infected. Signs and symptoms may include:
A thick, gray membrane covering the throat and tonsils
A sore throat and hoarseness
Swollen glands (enlarged lymph nodes) in the neck
Difficulty breathing or rapid breathing
Nasal discharge
Fever and chills
Tiredness
Skin (cutaneous) diphtheria
A second type of diphtheria can affect the skin, causing pain, redness and
swelling similar to other bacterial skin infections. Ulcers covered by a gray
membrane also may be a sign of skin diphtheria.
Which of the following is most sensitive to radiation induced cancer
1. Nerves
2. Female breast
3. Thyroid
4. Skin
Oral Pathology
Answer: 2
The female breast is most sensitive to radiation-induced cancer.
A 25-year-old woman presents with a painful, red, swollen, and tender area on the dorsum of her foot. She reports a recent injury while playing sports. The area is warm to the touch and has a well-defined border. Which of the following is the most likely diagnosis?
1) Osteomyelitis
2) Cellulitis
3) Gout
4) Plantar wart
Cellulitis is the most likely diagnosis for a painful, red, swollen area on the foot with a recent injury.
Delayed eruption of at least part of the dentition is a recognized feature of all of the following except
1. Rickets
2. Congenital hyperthyroidism
3. Cleidocranial dysplasia
4. Cherubism
Oral Pathology
Answer: 2
Congenital hyperthyroidism does not typically cause delayed eruption of teeth.
Which of the following complement component can be activated in both common as well as alternate pathways?
1) C1
2) C2
3) C3
4) C4
General Pathology Answer: 3C3 is the complement component that can be activated in both the classical and alternative pathways of the complement system.
All of the following statements about an intraoral dental X-ray film are true except
1. It is composed of a cellulose acetate base coated with a silver bromide emulsion
2. It has a thin sheet of lead foil that lies in front of the film to prevent overexposure
3. It has an embossed dot on it which should be orientated towards the source of X-rays
4. It is exposed by the direct action of X-rays on the emulsion
Oral Pathology
Answer: 2
The statement about the lead foil is incorrect; it lies behind the film to prevent backscatter.