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NEET MDS Shorts

56193
Oral Surgery

Rongeur is commonly used to cut the bone.

25857
Oral Pathology

Pulsations or murmurs may be detected in osteogenic sarcoma (osteosarcoma) because it is a highly vascular tumor, meaning it has a rich blood supply. The rapid blood flow through the numerous vessels within the tumor can create detectable pulsations or a murmur (bruit) upon physical examination, particularly if the tumor is large or superficially located. 
Capillary haemangiomas are also vascular but typically do not produce a palpable thrill or audible murmur due to the small size of the vessels involved.
Epidermoid carcinomas and osteoid osteomas are generally not associated with significant vascular bruits or pulsations.

70804
General Medicine

Henoch-Schonlein purpura (HSP) is a small-vessel vasculitis that is more common in children than in adults. It is characterized by symptoms such as abdominal pain, arthritis, and purpura (skin rash). The other options are typical manifestations of HSP.

93367
Endodontics

Apicectomy specifically refers to the surgical removal of the root tip (apex) of an endodontically treated tooth, typically 3mm of the root end, to eliminate persistent infection.

68034
General Medicine

Lung involvement in chronic bronchitis is bilateral

60836
Endodontics

Carbamide peroxide is the standard bleaching material used for night guard vital tooth bleaching (at-home bleaching). It typically comes in 10-15% concentration and breaks down slowly to release 3% hydrogen peroxide over several hours. This provides: 1) Extended contact time for effective bleaching, 2) Lower concentration reduces sensitivity, 3) Controlled release ensures patient safety, 4) Better patient compliance due to comfortable application. Superoxol (30% H2O2) is too strong for home use.

93915
Biochemistry

The enzyme phosphatidate phosphatase converts phosphatidic acid to diacylglycerol during synthesis of triacylglycerides.

The function of adipose tissue is the storage of fatty acids as triacylglycerols in times of plenty and the release of fatty acids during times of fasting or starvation.

Fatty acids taken in by adipocytes are stored by esterification to glycerol-3-phosphate. Glycerol-3-phosphate is derived almost entirely from the glycolytic intermediate dihydroxyacetone phosphate through the action of glycerol-3-phosphate dehydrogenase. Glycolytic enzymes are active in adipocytes during triglyceride synthesis, but those of glycogen degradation (low levels in adipocytes) and gluconeogenesis (ie, glucose-6-phosphatase) are not.

Glycerol kinase is not present to any great extent in adipocytes, so that glycerol freed during lipolysis is not used to reesterify the fatty acids being released.

The enzyme triacylglyceride lipase is turned on by phosphorylation by a cyclic AMP-dependent protein kinase following epinephrine stimulation.

85627
Oral medicine

  • Varicose veins are characterized by twisted, swollen veins that often appear blue or purple. Common signs and symptoms include aching or heavy legs, burning or throbbing sensations, muscle cramps, swelling in the lower legs, and skin changes such as color alterations or sores

    Visible Changes:

    • Twisted, swollen veins that are often blue or dark purple.
    • Bulging veins that may appear just below the skin surface.
  • Physical Sensations:

    • Aching or heavy feeling in the legs.
    • Burning, throbbing, or cramping sensations, particularly in the calves.
    • Swelling in the lower legs and ankles.
  • Skin Changes:

    • Color changes in the skin, which may appear red or brown.
    • Development of sores or ulcers on the skin that do not heal easily.
    • Scaly or irritated skin that may crack easily.
  • Other Symptoms:

    • Restless legs syndrome, which can cause discomfort and an urge to move the legs.
    • Pain in the legs or calves after prolonged sitting or standing.

Complications of Varicose Veins

  • Severe Symptoms:

    • Increased leg swelling and pain, especially after long periods of inactivity.
    • Risk of developing deep vein thrombosis (DVT), which can lead to serious complications if blood clots form.
  • Skin Conditions:

    • Lipodermatosclerosis, a condition that causes inflammation and hardening of the skin.
    • Venous ulcers, which are painful sores that can develop due to poor circulation.

86354
INI CET

Sensitivity is the ability of a test to correctly identify those individuals who have the disease (true positive rate). Specificity measures the ability to correctly identify those who do not have the disease.

59543
Periodontics

Subgingival curettage involves removing the inflamed soft tissue lateral to the periodontal pocket wall. It is indicated in cases of oedematous gingivitis because the inflamed, soft, and retractable tissue is easier to remove and responds favorably to this procedure.


 In contrast, fibrotic gingivitis involves dense, firm tissue that is not easily removed by curettage, and 

infrabony pockets require more advanced procedures like surgical flap access for effective treatment.

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