NEET MDS Shorts
60040
Public Health Dentistry
Daily fluoride mouth rinse containing 0.05% sodium fluoride has a
concentration of about 225 ppm fluoride ions
0.05% sodium fluoride solution = 225 ppm fluoride
0.2% sodium fluoride solution = 900 ppm fluoride
The daily rinse (0.05%) is recommended for children aged 6–12 years.
The weekly rinse (0.2%) is recommended for older children and adults at higher
risk of caries.
82669
Pharmacology
A number of medications may elicit headache as a side effect.
Common offenders include nitroglycerin, hydralazine, calcium-channel blockers, digitalis, and estrogen.
Recreational drugs such as nicotine, alcohol, marijuana, and amphetamines can also induce headache.
57633
ProsthodonticsA swing-lock partial denture produces relatively poor esthetic results for patients with short or extremely mobile lips because the mechanical attachment and swing mechanism may be visible during function, especially when lips are short or highly mobile. The visible hardware compromises esthetics in these patients.
99892
INI CET
Fourth-generation sealants are characterized by the incorporation of fluoride for fluoride release.
91174
Physiology
Answer: 1) Decreased heart rate
Explanation: In the heart, acetylcholine acts on muscarinic receptors, which are present on the sinoatrial (SA) and atrioventricular (AV) nodes. This leads to a decrease in heart rate by slowing the sinoatrial (SA) node's automaticity and increasing the time it takes for an electrical impulse to pass through the AV node.
41583
Oral PathologyGreen discoloration of teeth is seen in erythroblastosis fetalis.
85854
RadiologySubmentovertex view should be avoided in patients with cervical spondylitis because it requires extreme hyperextension of the neck. This positioning can cause severe pain, neurological complications, or injury to the cervical spine in patients with existing cervical pathology. Alternative views should be used.
29486
BiochemistryVLDL is a lipoprotein particle synthesized in the liver and secreted into the bloodstream to transport endogenously synthesized triglycerides and cholesterol to peripheral tissues. The triglycerides in VLDL are derived from fatty acids synthesized in the liver, and the cholesterol is derived from both dietary sources and de novo synthesis in the liver. They are not usually linked covalently to apoproteins (Answer 1), nor do they primarily consist of phosphatidylcholine (Answer 2). While the types of lipids found in the diet (Answer 4) can influence the liver's synthesis of VLDL, the statement does not accurately describe the direct composition of VLDL.
38496
Pharmacology
Is a TCA- block neuronal uptake of noradrenaline and serotonin. and thus increase its conc. at synapse. they also block muscarinic, histaminergic, and adrenergic receptor
69566
Periodontics
The apically displaced flap procedure is a common surgical technique in periodontology that achieves two goals: the elimination of periodontal pockets and an increase in the width of the attached gingiva.