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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

The number of dentinal zones in dentinal caries is_____________?

A One
B Two
C Four
D Five
Correct Answer: Five

In a patient with reduced salivary flow the carious incidence is_______________?

A More than the patient with normal salivary flow
B less than the patient with normal salivary flow
C unaffected
D None of the above
Correct Answer: More than the patient with normal salivary flow

The extra – cellular polysaccharide sythesized by cariogenic streptococci in the presence of excess sucrose are best described as_______________?

A Mucopolysaccharide
B Dextran-like glucan
C Glycogen – like glucan
D Amylopectin
Correct Answer: Dextran-like glucan

Lactobacilli are numerous in caious lesions because they______________?

A Are the main causative agent
B Can produce insoluble extracellular polysaccharides
C Can attack to smooth enamel surfaces
D Are secondary invaders
Correct Answer: Are secondary invaders

Commonest site for carcinoma of tongue is_____________?

A Lateral margin
B Tip of tongue
C Posterio 1/3
D Ventral surface
Correct Answer: Lateral margin

The most reliable single histologic criterion for diagnosis of oral squamous cell carcinoma is____________?

A Invasion
B Degeneration
C Pleomorphism
D Encpsulation
Correct Answer: Invasion

The most common site for metastasis from carcinoma of cheek_____________?

A Brain
B Regional lymph nodes
C Lung
D Liver
Correct Answer: Regional lymph nodes

The most common precancerous lesion for oral malignancy is____________?

A chronic hypertrophic candidiasis
B Leukoplakia
C Dental ulcers
D atrophic glossitis
Correct Answer: Leukoplakia

Carcinoma of lip____________?

A occurs mostly is female
B metastases easily
C occurs mostly in the lower lip
D is mostly basal cell type
Correct Answer: occurs mostly in the lower lip

Granular cell myoblastoma of tongue is____________?

A Benign tumor
B Malignant tumor of the tongue
C Lymphatic enlargement of the tongue
D Developmental anomaly of the tongue
Correct Answer: Benign tumor
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