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NEET MDS Shorts

63842
Physiology

The intestinal phase of gastric acid secretion is primarily responsible for the inhibition of acid secretion, helping to regulate the digestive process after food enters the intestine.

74929
Anatomy

The occipital artery does not supply the lower third of the sternocleidomastoid (SCM) muscle:<br> 
Upper third: Supplied by the occipital artery <br>
Middle third: Supplied by the superior thyroid artery and the external carotid artery <br>
Lower third: Supplied by the suprascapular artery, the transverse cervical artery, the thyrocervical trunk, and the superficial cervical artery<br>

60063
Dental Anatomy

In the case of primary teeth, the roots are often resorbed as the permanent teeth develop. The facial aspect of the root tends to be the last area to undergo resorption due to its position and the way the succedaneous tooth exerts pressure. The facial root surface is generally more stable and remains attached to the gingiva longer than the other aspects, making it the longest and most securely attached during extraction.

63079
Oral Pathology

Central giant cell granuloma characteristically presents as a single lesion in a single bone, typically the mandible or maxilla. In contrast, osteopetrosis affects multiple bones (generalized marble bone disease), Pagets disease commonly affects multiple bones (though it can be monostotic), and polyostotic fibrous dysplasia by definition affects multiple bones. CGCG is a localized reactive lesion.

60170
General Medicine

Most deaths after myocardial infarction occur within the first 1 hour. This is primarily due to ventricular fibrillation and other lethal arrhythmias. The mortality rate is highest in the immediate post-MI period, emphasizing the importance of rapid medical intervention.

36635
Dental Materials

The bond strength is influenced by the acidity; a lower pH can enhance the bond strength.

29310
Physiology

The pharyngeal stage of deglutition involves involuntary contraction of the pharyngeal muscles and is responsible for the rapid passage of the food bolus from the oral cavity to the upper esophagus. It is primarily a reflex act triggered by the voluntary movement of food into the back of the mouth.

34681
Pharmacology

Tolerance: The capacity to absorb a drug continuously or in large doses without adverse effect; diminution in the response to a drug after prolonged use.

60427
Dental Materials

Glass ionomer cements are known for their ability to chemically bond to tooth structure, particularly dentin and enamel.

77878
Prosthodontics

Canine guidance (canine disocclusion):

During lateral mandibular movements, the canines contact and guide the mandible.

This results in disocclusion (separation) of posterior teeth on the balancing side.

It protects posterior teeth from harmful lateral forces.

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