Exam (elaborations)
Year 1 Dentistry Revision With Complete Solutions Latest Update 2024
Year 1 Dentistry Revision With Complete Solutions Latest Update 2024
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Year 1 Dentistry Revision With CompleteSolutions Latest Update 2024
mariyah hussain is a.... - correct answers Penchord :)
What is The Chemical Formula of Calcium Hydroxy Apatite? - correct answers Ca10
(PO4)6(OH)2
What is the effect of Mg Ions in Hydroxy Apatite? - correct answers Mg Ions stop
the crystals from growing any further
What is the effect of F ions in Hydroxy Apatite? - correct answers F ions decrease
the solubility of the crystal giving it more resistance to Demineralisation
What are the Hard Tissues in the Oral Cavity? - correct answers Enamel, Dentin,
Cementum, Bone
What are the four zones of the tooth pulp? - correct answers The pulp chamber,
Cell rich zone, cell free zone and the Odontoblastic Layer
Which tooth has 5 Cusps? - correct answers Mandibular 1st molar
(Lower 6's)
,How can you identify if a canine is on the left or right? - correct answers The
shorter arch from the apex of the tooth is the mesial angle
How can you distinguish between upper and lower premolars? - correct answers
Lower Premolars have a larger Buccal cusp whereas the cusps in the upper
premolars are the same size
What is the definition of Radiolucency? - correct answers X-rays can pass easily
through the structure creating a black area on the image
What is the definition of Radio-opaque? - correct answers X-rays cannot pass
through the structure creating a white area on the image
During an X-ray what distance should you stand away from the patient and X-ray
Machine? - correct answers 1.5m
Name 2 Types of Radiographs used in dentistry - correct answers Any 2 from
Bitewing, Periapical, Panoramic, Cephalometric
What are the two adhesive proteins in a Tight Junction? - correct answers Ocludin
and Claudin
Which adapter proteins form Adheren Junctions? - correct answers Cadherin
Protein
,Which proteins do hemidesmosomes bind to in the basement membrane? -
correct answers Laminin Protein
How many Connexin molecules form One Connexon? - correct answers 6
What creates the pore-like channels in Gap Junctions? - correct answers
Connexons
How do cells bind to the ECM? - correct answers Actin Filaments
Adapter Proteins
Integrin molecules
Fibronectin
Collagen Fibres
How can a chemical Messenger cause an increase in Ca Ions to produce a response
in a cell? - correct answers The Chemical Messenger binds to its GPCR receptor
The activated G-protein activates Phospholipase C
Phospholipase C forms Inositol Trisphosphate
Intracellular Ca leaves the ER and binds to Diacylglycerol
This activates Protein Kinase C
Protein Kinase C phosphorylates Ca ion channels
There is an influx of Ca ions
Ca ions bind to Calmoludin which activates other cytoplasmic enzymes
, How can a chemical Messenger cause an increase in cAMP to produce a response
in a cell? - correct answers The chemical messenger binds to its GPCR receptor
The activated G-protein activates the Adenyl Cyclase enzyme
Adenyl Cyclase phosphorylates ATP to form cAMP
cAMP activates Protein Kinases
ACh binds to which type of receptors? - correct answers Muscarinic and Nicotinic
Receptors
What are the four things that cause salivary reflexes? - correct answers Smell,
Food in the mouth, Taste, Thought
What type of innervation does the salivary glands receive? Sympathetic or
Parasympathetic? - correct answers Both
What type of receptors do Norepinephrine bind to? - correct answers
Adrenoceptors
Parasympathetic Innervation of the Parotid salivary gland goes through which
ganglion? - correct answers The Otic Ganglion
Parasympathetic innervation of the sublingual salivary gland goes through which
ganglion? - correct answers The Submandibular Ganglion
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