Dentistry Revision questions year 1 semester 1 (Histology, IBS, Dental materials, General chemistry)- Ajman university
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Course
BDS 104
Institution
Ajman University
This document contains practice questions that were made from all the PPTs of histology, IBS (integrated biological sciences), dental materials, and general chemistry. Covering the following tops:
- IBS: Hyoid bone, Curves and ligaments of the vertebral column, sacrum, coccyx, thorax, sacrum, r...
Histology lab (FINAL)
Loose connective tissues
- Where is the loose connective tissue found? Under the epithelial surfaces/under the
dermis layer
- How can the loose connective tissue be distinguished/identified? By their vascularit and
cellularity where they have a lot of cells and vessels
- What are the characteristics of loose connective tissues? A lot of ground substance a
small amount of fibres
- What types of fibres does it have? It has collagen type 1 and elastic fibres
- What is it rich in? It is rich in cells, vessels and nerves
- In what special C.T is it found in? It is found in reticular, mucus and adipose C.T
- State an example.
- How are the elements packed? Loosely packes
Dense regular connective tissues
- State an example. Tendons and ligaments
- What types of fibres does it have (answer with reference to different examples)?
Ligaments has elastic fibres and collagen type 1 whereas tendons only hve elastic fibres
- What is the shape of their nuclei?
- What are its characteristics? They have a lot of fibres with less ground substance. They
have a few fibroblasts
- How are the elements packed? Tightly packes
- Describe the sectioning/direction. Parallel longitudinal sectuin
Dense irregular connective tissues
- State an example. The dermis of the skin
- Describe the direction/sectioning. Longitudinal, cross section and oblique.
- Where is it found?
- What types of fibres are present? Elastic, reticular and collagen type 1
- What are its characteristics? It has
Adipose loose connective tissue
- Describe the shape of the nucleus.
- What are its characteristics?
- What fibres are present?
- Where is it found? In the wall of the aorta
- What does it consist of?
Reticular loose connective tissue
- What does it consist of?
- What makes up the reticular fibres?
- What are its characteristics?
- What are the fine fibers mostly useful for?
- Where is it found? In liver, lymph nodes, spleen and kidney
Elastic dense connective tissue
- What does it contain?
- State an example/where is it found?
- What are its characteristics?
- What are the red structures?
,IBS LAB:
Cranial bones
- How many cranial bones are there?
- State the paired and the unpaired ones.
- How many facial bones are there?
- State the paired and the unpaired ones.
- State the skull cavities.
- What makes the paranasal sinuses?
- \Name the joints in the skull and their location
Vertebral column
- State the curvature regions in the spine.
- Which of these are secondary/primary curvatures
- What is the intervertebral disc made from?
- State the main features of a typical vertebra.
Thoracic cage
- What does the thorax form? Upper part of the trunk of the body
- What is the skeleton of the thorax called?
- What is the thoracic cage designed for?
- What is the thoracic cage formed by anteriorly? Sternum and ribs
- What is the thoracic cage formed posteriorly?
- What is the thoracic cage formed by on each side?
- Which ribs are the “true ribs”? Why?
- Which ones are the “false ribs”? Why?
- What are the 11&12th ribs known as?
- What is the function of the thoracic cage? Protection of
- Label a middle rib.
- What are the gaps between the ribs called?
- How many ribs on each side?
- What ribs are more oblique? What ribs are less oblique?
- Where is the maximum obliquity?
- What ribs are typical?
- What ribs are atypical?
Upper limb
- What does the pectoral girdle consist of?
- How many bones do the carpals have?
- How many bones do the metacarpals have?
- How many bones do the phalanges have?
Integrated biological sciences:
Hyoid bone:
- Hyoid bone is a part of what skeleton?
- Where is it located? Anterior or posterior? Between what bones?
- What is it suspended from? By what?
,- What bones does the hyoid articulate with?
- What is its function?
- What does the hyoid bone consist of?
Vertebral column:
- What are other names for the vertebral column?
- How much of the height does it make?
- What is the vertebral column composed of?
- What are the 5 functions of the vertebral column?
- How many vertebrae are there during development?
- How many vertebrae do adults have?
- Why do the numbers of vertebrates decrease as we age?
- What regions of the vertebrae fuse together?
- How many regions do the vertebrae have? What are their names?
- How many bones does the cervical vertebrae have?
- How many bones do the thoracic vertebrae have?
- How many bones do the lumbar vertebrae have?
- How many bones do the sacrum vertebrae have?
- How many bones do the coccyx vertebrae have?
- What does the sacrum vertebrae consist of?
- What does the coccyx vertebrae consist of?
- What are the names of C1 & C2?
Curves of the vertebral column:
- What are the four natural curves in the vertebral column?
- What curves are convex
- What curves are concave?
- What are the primary curves? Why are they called primary? Thoracic and the sacral as
they retain the original curvature of the fetal life
- What are the secondary curves? Why are they called secondary?
- Describe the curve of the fetus?
- What is the function of the curves?
Abnormal curves of the vertebral column?
- What are three different types of abnormal curves in the vertebral column?
- What causes scoliosis?
- What causes kyphosis?
- What causes lordosis?
Ligaments of the vertebral column
- Describe the longitudinal ligaments. Run as continuous bands from the front and back
surface from neck to sacrum.
- What are the three types of ligaments of the vertebral column?
- What is the function of anterior longitudinal ligaments? Prevent hypertension of the spine
- What is the function of posterior longitudinal ligaments? Resist the hypertension of the
spine
- What are the posterior longitudinal ligaments attached to? The discs only
- What are the anterior longitudinal ligaments attached to? The bony vertebrae and the
discs
, - What is the function of ligamentum flavum?
- Describe the ligamentum flavum.
Intervertebral discs
- Where are vertebral discs found?
- What does the inferior and superior surface of the disc consist of?
- What are the two regions found in the discs?
- What is the function of the intervertebral discs? Form strong joints, permit flexion,
extension and lateral bending of the spine
- What is the annulus fibrosus?
- What is the nucleus pulposus?
Herniated disc
- Where does it mostly occur?
- What occurs in patients with herniated disc?
- Where is the pain radiated to?
- Compression of which nerve?
Sciatica
- What is the most common cause of sciatica?
- What is sciatica?
Parts of the vertebra
- What are the two parts of the typical vertebra?
- What is the vertebral body?
- Why do the vertebral bodies have rough inferior and superior surfaces?
- What are pedicles?
- What forms the vertebral arch?
- Where does the vertebral arch extend from?
- What forms the vertebral foramen?
- What foes the vertebral foramen surround
- What does it contain?
- How is the vertebral/spinal canal formed?
- What are the vertebral notches? How are they arranged?
- What is the intervertebral foramen?
- What is the function of the intervertebral foramen?
- How many processes arise from the vertebral arch?
- How many transverse processes do we have?
- How many spinous processes do we have?
- How many articulator processes do we have?
- Where do the transverse processes extend from?
- Where does the single spinous process extend from?
- What are the two different types of articulator processes?
- What is the function of the articulator processes?
- What are the functions of the spinous and transverse processes?
- What are facets?
Movements of the spine
- What are the 4 different movements of the spine?
- What is spine flexion?
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