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Medical MCQs with Explanations

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1631MedicalMedium

Temporo – mandibular ligament is attached to ________?

AMandibular condyle

BPosterior aspect of TMJ

CLateral aspect of TMJ

DCoronioid process

Correct answer

C. Lateral aspect of TMJ

Explanation

The correct answer is Lateral aspect of TMJ.

1632MedicalMedium

Antibiotic sensitivity and resistance of micro organisms is determined by________?

ADNA probe

BCulture

CDirect microscopy

DELISA

Correct answer

B. Culture

Explanation

The correct answer is Culture.

1633MedicalMedium

Facial nerve supply all except________?

ASubmandibular gland

BParotid gland

CLacrimal gland

DNasal gland

Correct answer

B. Parotid gland

Explanation

The correct answer is Parotid gland.

1634MedicalMedium

A drug A & B compared, all are true except________?

AEfficacy is not dose dependent

B1 mg of A causes same effect of 3 mg of B, so A is more potent

C1 mg of A cause effect not caused by 1 mg of B so A is more efficacious

D1 mg of A cause effect not even caused by maximum tolerated dose of B, so drug A is more efficacious

Correct answer

A. Efficacy is not dose dependent

Explanation

The correct answer is Efficacy is not dose dependent.

1635MedicalMedium

The hertwig’s epithelial root shealth is essential to development of the root because it________?

AGiven rise to odontoblasts that lay down dentin of the root

BGives rise to cementoblasts that produce cementum of the root

CMoulds the shape of roots and stimulates differentiation of odontoblasts

DRemians as an essential constituents of the periodontal ligament

Correct answer

C. Moulds the shape of roots and stimulates differentiation of odontoblasts

Explanation

The correct answer is Moulds the shape of roots and stimulates differentiation of odontoblasts.

1636MedicalMedium

Dimensional stability of hydrocolloid impressions may be achieved by________?

AStoring the impression under water

BUsing humidor

CProlonged manipulation

DUsing less water powder ratio

Correct answer

B. Using humidor

Explanation

The correct answer is Using humidor.

1637MedicalMedium

Drugs causing hyperglycemia________?

AAcetylcholine

Ba-blockers

CB-blocker

DGlucocorticoids

Correct answer

D. Glucocorticoids

Explanation

The correct answer is Glucocorticoids.

1638MedicalMedium

Which of the following viruses appears to be involved in the pathogenesis of Kaposi’s sarcoma________?

AHuman Herpes Virus 8

BHuman Herpes Virus 4

CHuman Herpes Virus 1

DHuman Herpes Virus 3

Correct answer

B. Human Herpes Virus 4

Explanation

The correct answer is Human Herpes Virus 4.

1639MedicalMedium

Which one of the following drugs is not contraindicated in bronchial asthma?

APropanolol

BMorphine

CNitroglycerine

DStropine

Correct answer

C. Nitroglycerine

Explanation

The correct answer is Nitroglycerine.

1640MedicalMedium

Formula of hydroxyapatite crystal is________?

ACa3 (Po4)2 CaCo3

BCaPo4 Ca(OH)2

C3Ca (Po4)2 Ca(OH)2

DNone of the above

Correct answer

C. 3Ca (Po4)2 Ca(OH)2

Explanation

The correct answer is 3Ca (Po4)2 Ca(OH)2.

A drug A & B compared, all are true except________?

AEfficacy is not dose dependent

B1 mg of A causes same effect of 3 mg of B, so A is more potent

C1 mg of A cause effect not caused by 1 mg of B so A is more efficacious

D1 mg of A cause effect not even caused by maximum tolerated dose of B, so drug A is more efficacious

Correct answer

A. Efficacy is not dose dependent

Explanation

The correct answer is Efficacy is not dose dependent.

The hertwig’s epithelial root shealth is essential to development of the root because it________?

AGiven rise to odontoblasts that lay down dentin of the root

BGives rise to cementoblasts that produce cementum of the root

CMoulds the shape of roots and stimulates differentiation of odontoblasts

DRemians as an essential constituents of the periodontal ligament

Correct answer

C. Moulds the shape of roots and stimulates differentiation of odontoblasts

Explanation

The correct answer is Moulds the shape of roots and stimulates differentiation of odontoblasts.