NEET MDS Shorts
64067
Physiology
Spermatogenesis, the process of producing mature sperm cells from spermatogonia, takes approximately 74 days in humans. This includes the development of spermatids and their subsequent transformation into spermatozoa.
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General MicrobiologyAdoptive immunization involves the transfer of readymade immune cells, such as antibodies, from a donor to a recipient. Tetanus immunization is typically achieved through active immunization with the tetanus toxoid, which induces the body to produce its own antibodies against the tetanus toxin. Passive immunization, on the other hand, is achieved by injecting tetanus antitoxin, which provides immediate but temporary protection by neutralizing the toxin in the recipients body. The statement is incorrect because tetanus toxoid is used for active immunization, not adoptive immunization.
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General PathologyHeterozygous sickle cell anemia provides protection against malaria due to the altered red blood cell environment that is less hospitable to the malaria parasite.
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Oral PathologyTraumatic injury is the most frequent cause of TMJ ankylosis, particularly intra-articular fractures involving the condyle and glenoid fossa. Trauma can cause intra-articular bleeding, fibrin formation, and subsequent fibrosis or bony fusion. Birth trauma, falls, motor vehicle accidents, and mandibular fractures are common causes. Osteoarthritis typically causes joint degeneration rather than ankylosis. Congenital syphilis and traumatic occlusion are rare causes.
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General PathologyHemochromatosis is a condition characterized by excessive iron accumulation in the body, which can lead to a false positive on metal detectors due to high iron levels in tissues.
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Dental Materials
The specification mentions that the weight loss must not be greater than 0.04 mg/cm³ from the specimen surface, which is considered negligible from a clinical standpoint.
24846
INI CET
Florid cemento-osseous dysplasia predominantly affects middle-aged to older black females, evidencing a strong gender and racial predilection. Statistics show that over 90% of cases occur in females, with a significant majority being of African descent.
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Oral SurgeryThe elevator which fits well in the operator's hand and can be rotated between the thumb and the finger is Warwick-James elevator.
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Public Health Dentistry
The DMFT (Decayed, Missing, Filled Teeth) index is used to assess the dental
health of a population by counting the number of decayed (D), missing (M), and
filled (F) permanent teeth (T) in an individual. It provides a cumulative
measure of dental caries experience, as it includes both untreated and treated
cases of dental decay. This index helps in understanding the overall oral health
status and the need for dental care in a population.
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MicrobiologyDry heat sterilization of paper points without incineration is accomplished at 160°C for 2hours