MCQs in Oral Histology

Chapter 8: Pulp

 

 

1- The nerve supply within the dental pulp provides for:

  1. Pain perception, vascular control, and proprioception.
  2. Thermal perception, vasodilation, and cementum sensitivity.
  3. Pain perception, dentin sensitivity, and vascular control.
  4. Proprioception, taste, and vasoconstriction.

 

 

 

 

 

 

 

 

 

The answer is: C

 

2- With age, the volume of the pulp decreases because of:

  1. A decrease in the number of collagenous fibers.
  2. The formation of secondary dentin.
  3. Sclerosis of radicular dentin.
  4. A decrease in number of fibroblasts.

 

 

 

 

 

 

 

 

The answer is: B

 

3- The true pulp stone is formed usually:

  1. In large size.
  2. In the coronal pulp.
  3. In the radicular pulp.
  4. Around degenerated nidus.

 

 

 

 

 

 

 

 

The answer is: C

 

4- The pulp sensation is:

  1. Touch
  2. Proprioceptive
  3. Pain sensation
  4. Cold

 

 

 

 

 

 

The answer is: C

 

5- As a result of aging, the dental pulp in human permanent teeth:

  1. Increase in size and becomes more vascular.
  2. Becomes less cellular and more fibrous.
  3. Becomes more cellular and contains more ground substance. 
  4. Becomes more vascular and contains larger neural elements.

 

 

 

 

 

 

 

The answer is: B

 

6- An embedded pulp stone is most likely to be surrounded by:

  1. Fibrous tissue.
  2. Primary dentin.
  3. Secondary dentin.
  4. Odontoblasts.

 

 

 

 

 

 

 

The answer is: C

 

7- Which of the following is thought to protect the dental pulp?

  1. Sclerotic dentin.
  2. Dead tracts.
  3. Tome's granular layer.
  4. Denticles.

 

 

 

 

 

 

 

 

The answer is: A

 

8- A false denticle:

  1. Consists of dentinal tubules.
  2. Is usually associated with a dead tract.
  3. Indicates a dead or dying pulp organ.
  4. Consists of concentric layers of calcification.

 

 

 

 

 

 

 

 

The answer is: D

 

9- Dental pulp develops from:

  1. Dental organ.                                       
  2. Dental sac.
  3. Dental papilla.                                    
  4. Dental lamina.

 

 

 

 

 

 

 

 

The answer is: C

 

10- Nucleus with cart wheel appearance is found in:

  1. Plasma cells.                                        
  2. Lymphocytes.
  3. Progenitor cells.                                  
  4. Mast cells.

 

 

 

 

 

 

 

The answer is: A

 

11- Extracellular matrix of the connective tissue of the pulp is composed of:

  1. Collagen fibers only.                            
  2. Ground substance only.
  3. Both 1&2.                                              
  4. Non of the above. 

 

 

 

 

 

 

 

 

The answer is: C

 

12- Pericytes are contractile cells that surround the endothelial cells of:

  1. Arterioles                                      
  2. Venules
  3. Lymph vessels                                  
  4. Capillaries

 

 

 

 

 

 

 

The answer is: D

 

13- Pulp tissue has receptors for:

  1. Heat                                               
  2. Pain
  3. Pressure                                         
  4. All of the above

 

 

 

 

 

 

 

 

Answer is : B

 

14-  Histologically the dental pulp most closely resembles what type of tissue:

 

  1. Nerve tissue
  2. Vascular tissue
  3. Granulation tissue
  4. Loose Connective tissue

 

 

 

 

 

 

 

The answer is: D