A. Birth
B. End of 1st year
C. Puberty
D. 4 years
✅ The correct answer is option B. End of 1st year.
Medical
The period of embryo extends_______________?
A. From the end of first week till the eight week
B. from the period of ovum till the tenth week
C. From oogenesis till the eight week
D. From fertilization till the eight week
✅ The correct answer is option D. From fertilization till the eight week.
The connective tissue of the gingiva is known as the______________?
A. Lamina dura
B. Dental cuticle
C. Lamina propria
D. Fibroblasts
✅ The correct answer is option C. Lamina propria.
Epithelium of oral mucous membrane is_______________?
A. Keratinized
B. Non keratinized
C. Ortho, para and non keratinized
D. Only para keratinized
✅ The correct answer is option C. Ortho, para and non keratinized.
At high altitudes the following changes takes place except_______________?
A. Increase in respiratory rate
B. Increases in depth of respiration
C. Increase in oxygen carrying capacity of blood
D. Increase in partial pressure of CO2
✅ The correct answer is option D. Increase in partial pressure of CO2.
Which of the following is a membrane bound enzyme that catalyzes the formation of cyclic AMP from ATP ?
A. Tyrosine kinase
B. Polymerase
C. ATP synthase
D. Adenylate cyclase
✅ The correct answer is option D. Adenylate cyclase.
All are branches of the posterior division of the mandibular nerve except ________________?
A. Lingual nerve
B. Inferior alveolar nerve
C. Deep temporal nerve
D. Mylohyoid nerve
✅ The correct answer is option C. Deep temporal nerve.
The function of vitamin A is/are related to which of the following ?
A. Retinol
B. Retinal
C. Retinoic acid
D. All of the above
✅ The correct answer is option D. All of the above.
Deficiency of cortisol causes_______________?
A. Cushing syndrome
B. Graves’ disease
C. Addison disease
D. Acromegaly
✅ The correct answer is option C. Addison disease.
Tetany is characterized by ________________?
A. Hypotonicity of muscles
B. Hypertonicity of muscles
C. Increased serum calcium concentration
D. None of the above
✅ The correct answer is option B. Hypertonicity of muscles.