medical MCQs – Page 496

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

9901. True about myoepithelial cell______________?
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A. All of the above

B. The cell expel secretions by contraction

C. Also known as basket cell

D. Structure is similar to smooth muscle and contains actin & myosin

9902. Role of meckels cartilage in development of mandible__________________?
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A. It does not have any role

B. It has a minor role

C. It has a major role

D. None of the above

9903. Among various glands, salivary gland secretion is unique in that, its secretions is unique in that, its secretion are controlled by___________?
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A. All of the above

B. Hormones

C. Chemicals

D. Nerves

9904. Serous demilunes are seen in______________?
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A. Salivary glands

B. Gastric glands

C. Pancreas

D. Liver

9905. Which of the following enzymes are involved in bone formation________________?
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A. Acid phosphatase and catalase

B. Alkaline phosphatase and urease

C. Alkaline phosphatase and phosphorylase

D. Catalase and phosphorylase

9906. Which of the following is correct ?
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A. All of the above

B. Sublingual gland bartholins duct mixed and predominantly mucous

C. Parotid stensons duct pure serous

D. Submandibular Whartons duct mixed and predominantly serous

9907. A purine which is found in saliva is_______________?
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A. Hypolithinium

B. Adenosine

C. Thymine

D. Uric acid

9908. Mucin in mucous cells usually demonstrated by______________?
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A. PAP stain

B. H & E stain

C. Mallory stain

D. Mucicarmine stain

9909. Which of the following is correct?
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A. All of the above

B. The small nerve fibres may or may not be myelinated and are concerned with discrement of pain

C. Fibronectin helps in attachment of fibroblasts to collagen

D. Cementicles are found in periodontal ligament of order individuals

E. The large nerve fibres are myelinated and are concerned with discerment of touch

9910. Which of the following is wrong?
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A. The architecture of type I spongiosa is seen in mandible

B. Bundle bone contains a lesser amounts of calcium salts than other types of bony tissue

C. Type II spongiosa is seen in maxilla

D. Condylar process & angle in mandible, and tuberosity in maxilla contain hemopoietic cellular marrow

9911. Fibres which continue from bone to ligament are_______________?
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A. Rays fibres

B. Sharpeys fibres

C. Tomes fibres

D. All of the above

9912. The type of epithelium lining maxillary sinus is_______________?
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A. Pseudo stratified columnar and cilliated

B. Simple squamous

C. Stratified squamous

D. Simple columnar

9913. The function of myoepithelial cells may be______________?
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A. Provide signals to the acinar secretary cells for structure organization

B. Support for the end piece during active secretion of saliva

C. All of the above

D. Initiating contraction

9914. Reversal lines which may be seen on the cribriform plate (alveolar bone proper) of the alveolar process indicate the cessation of____________?
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A. Osteoblastic activity

B. Myeloid activity

C. Osteoclastic activity

D. Healing activity

9915. The muscle which is commonly involved in myofacial pain dysfunction syndrome______________?
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A. Temporalis

B. Medial pterygoid

C. Massetor

D. Lateral ptergoid

9916. Myoepithelial cells are present in________________?
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A. Serous cells

B. Intercalated & terminal duct

C. Striated duct

D. Mucous cells

9917. Which of the following is true___________?
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A. All of the above

B. Majority of nerve that enter the pulp are non myelinated and are sympathetic in nature

C. Pulpal pressure is highest among body tissues

D. Plexus of Rashkow or parietal layers of nerves is formed by network of peripheral axons located adjacent to cell rich zone

9918. The marrow found in the mandible is____________?
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A. All fibrous marrow

B. All fatty marrow

C. All red marrow

D. A combination of fatty and fibrous marrow

9919. The articular cartilage is characterized by all of the following features except_____________?
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A. It is avascular

B. It is devoid of perichondrium

C. It has a rich nerve supply

D. It lacks the capacity to regenerate

9920. Haversion systems (osteons) are found primarily in the_________________?
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A. Spongy bone

B. Endosteum

C. Alveolar bone proper

D. Periosteum

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