NEET MDS Shorts
85916
Oral Surgery
Hyperglobulinemia, an excess of globulins in the blood, is a common feature
in immune-mediated and inflammatory conditions.
Wegener's granulomatosis (now known as granulomatosis with polyangiitis) is an
autoimmune disease where hyperglobulinemia, particularly elevated IgA levels, is
frequently observed.
Multiple myeloma is a cancer of plasma cells that characteristically produces a
large amount of a single type of immunoglobulin (paraprotein), which causes a
significant increase in total globulin levels.
Hodgkin's disease (Hodgkin lymphoma) is a type of lymphoma that can also be
associated with elevated globulin levels due to the body's inflammatory
response.
Amyloidosis involves the abnormal deposition of insoluble protein fibrils in
tissues. While some forms of amyloidosis are related to multiple myeloma
(primary amyloidosis), the condition itself is defined by protein deposition,
not by high levels of circulating globulins in the blood.
51560
Oral SurgeryOf the following, the maxillary first molar is the most difficult to anaesthetize by infiltration technique alone.
40067
Oral SurgeryThe target area for the Gow-Gates mandibular nerve block technique is the neck of the condyle, specifically the lateral aspect of the condyle neck just below the insertion of the lateral pterygoid muscle.
85462
Oral SurgeryEach of the following statements about local anaesthesia is correct except: Prilocaine is more toxic than lignocaine.
13329
Oral SurgeryThe prime purpose of bibevel chisel is to split teeth.
84762
Oral SurgeryEach cartridge contains 1.8 mL of anaesthetic solution.
74744
Oral SurgeryLocal anaesthesia is ineffective in localized infection.
11622
Oral SurgeryFormalin, specifically 10% neutral buffered formalin, is the standard fixative used for preserving biopsy specimens. It helps to maintain the tissue architecture and cellular details, making it suitable for histopathological examination. Ethanol is not typically used for routine tissue fixation as it can cause tissue shrinkage and distortion. Hydrogen peroxide is not a fixative and is used for different purposes, such as disinfection. A 1% formalin solution is too dilute for effective fixation.
75779
Oral SurgeryLocal anesthetics work by blocking sodium channels in nerve membranes, which requires the drug to cross the cell membrane. Local anesthetics are weak bases and exist in both charged (ionized) and uncharged (unionized) forms. The uncharged form is lipid-soluble and can readily diffuse across the nerve cell membrane.
86142
Oral SurgeryThe middle superior alveolar nerve (MSA) is one of the branches of the maxillary nerve that innervates the buccal gingival of the maxillary teeth, including the second premolar. The anterior palatine nerve innervates the palatal aspect, while the buccal nerve innervates the buccal mucosa and the anterior part of the palate.