Which of the following is predominantly mucous?

 # Which of the following is predominantly mucous?

A. Parotid gland

B. Submandibular gland

C. Sublingual gland

D. Von  Ebner’s gland

The correct answer is C. Sublingual gland.

Sublingual gland is a mixed gland and is predominantly mucous. @ MuSuLi.

Parotid gland is purely serous gland. @ SerPa

Submandibular gland is mixed gland and is predominantly serous.

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Embryology MCQs

# Number of somatic chromosomes in humans is:
A. 42
B. 41
C. 46
D. 44

# Which of the following is true of meiosis?
A. It exclusively takes place in somatic cells
B. At the end, same number of chromosomes are maintained in the daughter cells
C. Only two daughter cells are formed at the end of meiosis
D. Crossing over and genetic variability is enhanced

Derived cephalometric landmark

 # Which of the following is a derived cephalometric landmark?

A. Nasion 

B. ANS

C. Gnathion

D. Orbitale

The correct answer is C. Gnathion

Anatomic landmarks: These landmarks represent actual anatomic structures of the skull. E.g. Nasion, ANS, PNS, orbitale, pogonion, etc. 

Derived landmarks: These are landmarks that have been srbitrarily obtained secondarily from anatomic structures in a cephalogram. E.g. Sella, gnathion, articulare, point PTM, machine porion, etc. They are not anatomical points. 

Gnathion: Gnathion is a coonstructed point at the junction of most anterior (Pogonion) and most inferior  part (menton) of the chin. 

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Process of preparing ceramic prosthesis

 # The process of preparing ceramic prosthesis from glassy ingot is:

A. Casting

B. Slip casting

C. Heat pressed

D. Copy milling

The correct answer is: A. Casting.

Dental ceramics are formed into prosthetic shapes and configurations through a variety of processes including sintering, casting, hot isostatic pressing, copy milling, and CAD CAM machining.

- Ceramic prosthesis from glassy ignots is produced by casting.

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