NEET MDS Shorts
95994
INI CET
Arrestin is a brand name for a subgingival sustained-release product that contains minocycline, which is a derivative of tetracycline, used in the treatment of periodontitis. Actisite contains tetracycline, Periochip contains chlorhexidine gluconate, and Atridox contains doxycycline.
26383
RadiologyThe radiographic view that has to be avoided in patients with cervical spondylitis is Submentovertex.
15449
General Medicine
In restrictive lung disease, the FEV1/FVC ratio and compliance of the lung are
decreasing.
Restrictive lung diseases, such as pulmonary fibrosis or severe asthma, are
characterized by a decrease in the lung's ability to expand due to factors like
stiffening of the lung tissue or a reduction in the volume of the thoracic
cavity. As a result, the forced expiratory volume in one second (FEV1) is
reduced in relation to the forced vital capacity (FVC), leading to a decreased
FEV1/FVC ratio. Additionally, the compliance of the lung, which is a measure of
the lung's ability to expand and contract, is also decreased in these conditions
because the lung tissue becomes less elastic.
57069
Oral Surgery
Epinephrine is a vasoconstrictor, meaning it narrows blood vessels. When added to a local anesthetic solution, this effect achieves several things:
It keeps the anesthetic localized to the injection area for a longer period, which increases the duration of anesthesia.
It slows the absorption of the anesthetic into the bloodstream, which reduces the risk of systemic toxicity.
It helps control bleeding in the area where the injection is given.
92409
INI CET
Nephritic syndrome is characterized by the triad of hematuria, hypertension, and mild edema. Nephrotic syndrome is characterized by massive proteinuria and severe generalized edema without significant hematuria.
41095
EndodonticsA permanent tooth with apical one-third root fracture would most likely remain vital and functional. Apical third fractures have favorable prognosis because: 1) Good blood supply is maintained to the coronal fragment through the periodontal ligament, 2) The fracture is away from the oral environment, reducing contamination risk, 3) Pulp often remains vital due to minimal disruption of apical blood supply, 4) Healing usually occurs with fibrous union between fragments, 5) Function is typically maintained. Root resorption and ankylosis are less common with apical third fractures compared to cervical fractures.
40689
Radiology
The traditional darkroom processing sequence for radiographs is as follows:
51209
Public Health Dentistry
While fear may induce short-term behavior changes, it often results
in a negative response and can lead to dental anxiety or avoidance. It is
generally not a recommended approach for long-term motivation in dental health
education.
82956
INI CET
Morphine causes myosis (pinpoint pupils). This makes it impossible for clinicians to monitor pupillary changes (like dilation) which are essential signs of increasing intracranial pressure in head injury patients. It also causes respiratory depression.
81167
Oral PathologyYellowish discoloration of teeth in children fed on tetracyclines is common.