A. Same as dentin crystals
B. Contains organic portion in the center
C. Roughly texagonal in shape
D. Their diameter is about 5 microns in size
✅ The correct answer is option C. Roughly texagonal in shape.
Medical
Nasopharynx consists of all except_______________?
A. Pyriform recess
B. Pharyngeal recess
C. Pharyngeal tonsil
D. Salpingopharyngeal fold
✅ The correct answer is option A. Pyriform recess.
A child with stunted growth with a stuffed – belly, and short stature with mental retardation is suffering from the deficiency of which of the following______________?
A. Thyroxine
B. Growth hormone
C. Rickets
D. Parathyroid
✅ The correct answer is option A. Thyroxine.
The type of fibrous element in enamel is_____________?
A. Tono filament
B. Keratin like fibre
C. Collagen fibre
D. Vimentin filament
✅ The correct answer is option B. Keratin like fibre.
Jacobson’s organ is________________?
A. Auxillary olfactory sense organ
B. Ellipsoid/Cigar shaped
C. Undergoes degeneration after 4 months of intrauterine life
D. All of the above
✅ The correct answer is option D. All of the above.
Oxygen dissociation cure is shifted to the right in all except_____________?
A. Fall in pH
B. Rise in temperature
C. Increase of 2, 3 3 DPG
D. HbF
✅ The correct answer is option D. HbF.
Urinary protein is detected by______________?
A. Barfoed test
B. Hay’s test
C. Boiling test
D. Ehrlich’s test
✅ The correct answer is option C. Boiling test.
Absolute refractory period in heart______________?
A. Lasts till cardiac contraction
B. Longer than refractory period in skeletal muscle
C. A phase of cardiac cycle in which heart cannot be stimulated by any amount of stimulus
D. Corresponds with duration of action potential
✅ The correct answer is option E. All of the above.
Within which parts of a gastric gland are chief cells located_____________?
A. Fundus
B. Isthmus
C. Neck
D. Gastric pit
✅ The correct answer is option A. Fundus.
Specific disease caused by vitamin B1 deficiency_______________
A. Pellagra
B. Angular cheilitis
C. Megaloblastic anemia
D. Peripheral polyneuritis
✅ The correct answer is option D. Peripheral polyneuritis.