NEET MDS Shorts
54039
ProsthodonticsExplanation: Natural dentition can typically withstand average biting forces of around 600N, which is significantly higher than the 110N that complete dentures can generally handle. Complete dentures rely on muscular and bony support and are limited by the resiliency of the soft tissues in the oral cavity.
72251
Oral SurgeryLatreal Pterygoid is inserted on Mandible
16601
Physiology
Answer: 1) Dilatation (mydriasis)
Explanation: Norepinephrine acts on alpha-adrenergic receptors in the pupillary dilator muscles, leading to pupil dilation. This is a component of the sympathetic nervous system's response to stress, which also includes pupil dilatation mediated by epinephrine.
33422
Dental Materials
An excessive amount of amine initiator can lead to a faster reaction rate and a decrease in the depth of cure, as the light may not be able to penetrate deep enough into the material to activate the entire polymerization process.
61078
INI CET
Apertognathia specifically refers to a skeletal anterior open bite where the upper and lower teeth fail to reach occlusal contact.
10141
General Medicine
ETEC are the principal cause of traveler’s diarrhe1) They produce both a heat-labile toxin (LT) and a heat-stable toxin (ST) that act on the intestinal mucos1) The LT is similar to cholera toxin and increases intracellular cGMP levels, leading to enhanced fluid and electrolyte secretion into the lumen and thus diarrhe1) The ST acts by a different mechanism but also enhances fluid and electrolyte secretion.
18680
Oral SurgeryStreptomycin is considered a narrow-spectrum antibiotic, primarily effective against Gram-negative bacteria and Mycobacterium tuberculosis. Ampicillin, chloramphenicol, and tetracycline are all classified as broad-spectrum antibiotics because they are effective against a wide range of both Gram-positive and Gram-negative bacteria.
50910
EndodonticsIn endodontics, the primary goal of using gutta-percha is to achieve a proper seal at the apex of the root canal system. A definite apical seal is crucial to prevent the ingress of bacteria and fluids, which can lead to reinfection. While the cone should fit well within the canal, the emphasis is on achieving a good seal rather than merely fitting exactly at the apex or being 2 mm from it.
29378
ProsthodonticsIn a complete denture patient, which of the following is likely to cause difficulty in apposing the lips: failure to provide adequate interocclusal distance.
62494
Oral Medicine
Valvular heart disease symptoms typically include weakness on exertion, rapid heartbeat, chest discomfort, and fainting spells. However, an abnormal body temperature is not a common symptom associated with valvular heart disease.