NEET MDS Shorts
59108
Physiology
Answer: 1) Acetylcholine
Explanation: The pupillary sphincter muscle is innervated by the parasympathetic nervous system, which uses acetylcholine as its primary neurotransmitter. Contraction of this muscle leads to pupil constriction, or miosis, which occurs in low-light conditions or when focusing on near objects.
24058
NEETMDS
The enamel in primary teeth often has an aprismatic and wavy orientation, which necessitates a longer etching time to achieve proper bonding.
85359
Dental Materials
The lowest change of -1.9 µm/cm was for the high-copper admixed alloy.
36762
Oral PathologyThe function of the facial nerve is best tested by whistling.
59209
OrthodonticsEarnest Klein's classification of habits distinguishes between intentional habits (those that are consciously performed) and non-intentional habits (those that occur unconsciously or without deliberate intention). This classification helps in understanding the nature of habits, particularly in the context of dental and orthodontic practices.
30089
NEETMDSThe patient's symptoms of pain from hot food that subsides with cold indicate a specific stage of pulp inflammation. The response to hot and cold stimuli is a key diagnostic indicator in endodontics. The provided answer, partial pulp necrosis, is correct because while some of the pulp is dead (necrotic), the remaining vital pulp tissue reacts to thermal changes.
91829
General MicrobiologyRecurrent pyogenic infections are associated with a deficiency in C5 to C8 components of the complement system.
82652
PedodonticsThe Russell periodontal index does not indicate masticatory efficiency.
62549
Physiology
The reticular activating system (RAS) is involved in the regulation of wakefulness and arousal by modulating the transmission of sensory information to the thalamus and cortex and by influencing the release of neurotransmitters that promote alertness.
14573
INI CET
Polyester is a non-absorbable suture material. In contrast, polyglycaperone, polyglycolic acid, and polylactide are absorbable sutures.