NEET MDS Shorts
85002
PhysiologyThe regression of the corpus luteum leads to a sharp decline in estrogen and progesterone levels, which in turn causes the endometrium to shed and results in menstrual bleeding.
81363
EndodonticsThe untrue statement about gutta-percha is that it is indicated in fine canals. Actually: 1) Gutta-percha IS compatible with post preparation, 2) It is NOT ideal for fine canals - silver points or paste fillers work better in very narrow canals, 3) Major composition includes gutta-percha (20%), zinc oxide (66%), waxes and resins, NOT zinc oxide eugenol, 4) It DOES shrink slightly after obturation due to cooling. Fine, calcified canals are difficult to obturate with gutta-percha cones due to size limitations, making other materials more suitable for such cases.
51205
INI CET
When a small root tip is displaced into the maxillary sinus, the recommended initial management is to attempt retrieval using the Valsalva maneuver or gentle suction. This non-invasive technique uses air pressure to force the fragment back into the socket.
24028
MedicineInsulinomas are neuroendocrine tumors of the pancreas. They can occur throughout the pancreas with equal frequency in the head, body, and tail.
88965
MedicineAn acute inferior wall myocardial infarction (MI) is most commonly caused by an occlusion of the right coronary artery, which supplies the inferior wall of the left ventricle and the right ventricle in most people. When the right ventricle is involved in the infarction, it can lead to right ventricular dysfunction, which severely impairs the heart's ability to pump blood to the lungs and subsequently to the rest of the body. This results in acute and progressive hemodynamic collapse and cardiogenic shock. Cardiogenic shock is the most common cause of death in patients with acute MI.
44120
NEETMDS
The Katz classification of malocclusion is based on the relationship of the maxillary and mandibular premolars to determine Angle's classification.
94067
Oral PathologyGaucher's disease and Niemann-Pick disease are common in Ashkenazi Jews.
35447
Physiology
GABA is the main inhibitory neurotransmitter in the central nervous system, playing a crucial role in reducing the excitability of neurons and contributing to the regulation of neural circuits and synaptic plasticity.
42891
General MedicineA CT scan is more sensitive than a chest X-ray for identifying metastatic lung disease and is typically used for such screenings.
38775
Dental Materials
For a 0.75 mm diameter condenser nib, the recommended force is 8.43 pounds. This force is considered optimal for condensing composite resins effectively without causing damage to the tooth structure.