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NEET MDS Shorts

86715
Pharmacology

Heparin-associated thrombocytopenia may be associated with irreversible aggregation of platelets and treating venous thromboembolism. The incidence of thrombocytopenia after administration of LMWH is lower than with standard heparin. Adverse drug reactions like those caused by standard heparin have been seen during therapy with LMWH, and overdose is treated with protamine.

83799
INI CET

Amniocentesis followed by karyotyping is a diagnostic (definitive) test for Down syndrome, whereas ultrasound and blood tests are only screening tools.

69593
Oral Surgery

Dry socket (alveolar osteitis) is a clinical diagnosis.

History: Patients typically report severe, throbbing pain starting 2–4 days after extraction, often radiating to the ear or temple.

Clinical examination: Empty socket with exposed bone, absence of clot, foul odor, and tenderness.

Radiographs: Usually not diagnostic for dry socket. They are only used to rule out retained root fragments or other pathology.

History supports the diagnosis, but the definitive diagnosis is made clinically by examining the socket.

51570
Oral medicine

Cervical rib usually arises from the 7th cervical vertebra. It represents an anomalous extra rib arising from the transverse process of C7. This congenital abnormality can cause thoracic outlet syndrome by compressing neurovascular structures in the thoracic outlet.

96025
NEETMDS

The predominant type of collagen found in cementum is Type I collagen.

38807
Periodontics

Milky white, soft, and visible to the naked eye, Lacks the organized 

structure of dental plaque

composed of Food debris, bacteria, dead tissue cells, leukocytes, and 

salivary proteins


59182
Radiology

Screen films differ from non-screen films in that they are more sensitive to X-rays than light.

94305
NEETMDS


Early loss of a primary second molar can result in mesial migration of permanent molars. If the first permanent molar has already erupted (usually erupts between 6 and 7 years). band-and-loop is recommended.

A distal shoe is an appropriate choice if permanent molar has not fully erupted

Nance appliance is a removable appliance that can be used to prevent mesial movement or tipping of the permanent first molar but has a main disadvantage that it is removable.

29964
Pharmacology

Iodine-131 half-life ≈ 8 days.

After ~6 half-lives, >98–99% of the isotope is degraded.

8⋅6 = 48  days → closest option is 46 days.

This is clinically relevant because it determines radiation safety precautions and therapeutic monitoring in patients receiving I-131.

74543
General Microbiology

Salmonella species, excluding Shigella sonnei, which is lactose non-fermenting, will ferment lactose in MacConkey agar, turning the colonies pink due to the formation of acidic end-products

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