NEET MDS Shorts
86099
Physiology
Answer: 2) Epinephrine
Explanation: During the fight-or-flight response, epinephrine is released from the adrenal medulla and acts on the pupillary dilator muscles to cause mydriasis (dilatation of pupils). This effect is mediated by beta-adrenergic receptors on the smooth muscle of the iris, leading to increased pupil size to allow more light in for better vision.
66904
Community DentistryThe most effective method for teaching oral hygiene, as per Best's approach, is active patient participation in the training program, allowing hands-on learning and better retention.
95544
Dental Materials
The specification requires that the dimensional change for a cylindrical specimen must fall within the range of -15 to +20 ?m/cm for 5 minutes to 124 hours after setting.
33775
General Medicine
ETEC, EIEC, and EAEC are all types of E. coli that can cause diarrheal disease through various mechanisms. EPEC is typically associated with gastrointestinal illness, particularly in children, but does not typically cause the severe forms of diarrhea seen with ETEC or EHEC.
54002
Dental Materials
Resin cements are generally applied in a film thickness of 25 µm or less for optimal performance.
54773
General MicrobiologyC1. Perfringens colonies are typically nonmotile and do not form capsules. They will be surrounded by a zone of opacity on the half without antitoxin due to the Nagler reaction (option 1) and will not ferment lactose to produce bright pink colonies on MacConkey’s medium
78329
INI CET
Measles is a live attenuated vaccine, injectable polio (Salk) is a killed vaccine, hepatitis B is a recombinant vaccine, and diphtheria is a toxoid vaccine.
30143
INI CET
Risk factors for the malignant transformation of oral potentially malignant disorders include the site of the lesion (e.g., floor of the mouth, tongue), size, clinical type (e.g., speckled leukoplakia), presence of Invasive Candida albicans, and DNA aneuploidy. While oral cancer is more common in males, being male in itself is not considered a specific risk factor for the malignant transformation of an existing premalignant lesion. Risk factors relate to the nature of the lesion and associated biological or environmental factors.
19864
General PathologyHb-electrophoresis is the investigation done to establish the diagnosis of thalassemia, as it separates different hemoglobin types based on their charge.
91434
Oral medicineAcetic acid is not used for chemical cautery. Chemical cautery agents include chromic acid, silver nitrate, and trichloroacetic acid, which cause protein coagulation and tissue destruction. Acetic acid is too weak and is mainly used for diagnostic purposes (acetowhite test).