NEET MDS Shorts
28252
Dental Materials
Mercury that complies with the requirements of the United States Pharmacopoeia also meets requirements for purity in ANSI/ADA Specification No. 6, which is typically 99.9% pure.
82650
Oral PathologyRadiographic resolution of a periapical lesion (an area of bone loss around the tooth root caused by infection) after proper root canal treatment typically takes time because it involves the biological process of new bone formation to replace the damaged area. This healing process is a gradual one, and while clinical symptoms resolve quickly, visible changes on an X-ray (radiographic resolution) can take several months to become apparent. The 6-12 month timeframe is the established period for significant or complete radiographic evidence of healing in most cases. A longer follow-up period may be needed in some instances.
52507
PhysiologySecretin augments the action of CCK (cholecystokinin) in producing pancreatic enzyme secretion, facilitating digestion.
88588
Oral PathologyCervical sympathetic paralysis (Horners syndrome) causes anhidrosis of the homolateral (same) side of the face due to loss of sympathetic innervation to sweat glands. This results in decreased sweating on the affected side. Facial nerve trauma affects motor function, trigeminal nerve trauma affects sensation, and cerebral embolus affects central function, but none specifically cause unilateral facial anhidrosis.
37531
Dental Materials
The particle size of the fillers in composite materials affects their physical and handling properties. Conventional composites have larger filler particles, while microfilled and hybrid composites have smaller ones. The text provides the typical ranges for each type of composite.
87061
NEETMDS
In iron deficiency anemia, the body/s iron stores are low. This leads to decreased serum ferritin and serum iron levels. To compensate, the body increases the production of transferrin, the protein that transports iron, which increases the total iron binding capacity (TIBC)
44381
General Medicine
Chronic kidney disease can lead to hyperuricemia due to decreased glomerular filtration rate, resulting in decreased excretion of uric acid by the kidneys.
12158
Oral Medicine
Huntington's disease typically begins in the fourth or fifth decade of life. It is an autosomal dominant disorder that affects both men and women, and the symptoms include chorea, behavioral disturbances, and cognitive decline. While there is a wide range in age of onset, the average age of symptom manifestation is around 30 to 50 years.
85748
General Medicine
Growth hormone deficiency due to hypopituitarism can manifest at different ages depending on the underlying cause. It is often recognized in childhood when growth patterns are monitored regularly.
32338
INI CET
The nasion is a well-defined anatomical landmark used in cephalometry, allowing for precise location on a lateral cephalogram. Other points like Point A, Condylon, and Gonion are less precise or more variable in their definition and location on a 2D image.