NEET MDS Shorts
81594
General Medicine
Parathyroid hormone (PTH) is the primary hormone that regulates calcium homeostasis in the body. It is secreted by the parathyroid glands and acts on the kidneys, bones, and intestines to maintain serum calcium levels within a narrow range. While vitamin D and calcitonin also play roles in calcium metabolism, PTH is the major player in this regulatory process.
79422
INI CET
The presence of bony fusion on a CT scan is indicative of ankylosis and can assist in planning surgical intervention.
21531
NEETMDSHutchinson triad is a set of three clinical signs associated with congenital syphilis: interstitial keratitis (corneal inflammation), sensorineural deafness, and Hutchinson's teeth (peg laterals). A flat nasal bridge is not part of the triad.
83114
Biochemistry
Saturated fatty acids are a type of fat that has a chemical structure with a
single bond between each carbon atom in the fatty acid chain and no double
bonds. These types of fats are typically solid at room temperature. Out of the
given options, stearic acid (C18:0) is the only saturated fatty acid. The others
are:
1. Oleic acid (C18:1) is a monounsaturated fatty acid, which means it has one
double bond. It is commonly found in olive oil, canola oil, and avocados.
2. Linolenic acid (C18:3) is a polyunsaturated fatty acid, specifically an
omega-3 fatty acid, with three double bonds. It is found in plant sources like
flaxseeds, chia seeds, and walnuts.
3. Arachidonic acid (C20:4) is also a polyunsaturated fatty acid, an omega-6
fatty acid with four double bonds. It is found in animal fats, such as meat, and
in smaller amounts in some plant oils like sunflower oil and peanut oil.
Stearic acid, on the other hand, is a common saturated fatty acid found in
various animal fats and certain vegetable oils like coconut oil, palm kernel
oil, and cocoa butter. It is known for its role in the structure of cell
membranes and as a precursor for the biosynthesis of cholesterol in the body.
While it is important to consume fatty acids for good health, excessive
consumption of saturated fatty acids has been associated with higher levels of
LDL (low-density lipoprotein) cholesterol, which is often referred to as "bad"
cholesterol, and an increased risk of heart disease. However, it is important to
maintain a balanced diet that includes both saturated and unsaturated fatty
acids in moderation.
54764
Oral SurgeryA patient allergic to PABA will most probably also be allergic to Tetracaine.
46587
Oral Medicine
A positive tuberculin skin test indicates a past exposure to TB bacteria, which has led to the development of an immune response. Latent TB infection is asymptomatic and does not imply active disease. Further tests are needed to rule out active TB.
95622
Oral Medicine
The mitral valve is crucial in preventing the backflow of blood from the left atrium to the left ventricle during systole, ensuring that blood flows in the correct direction through the heart during the cardiac cycle.
48517
Dental Materials
An aliphatic amine like DMAEMA is used at low concentrations (around 0.15 wt%) in composite resins to initiate the free radical polymerization in the presence of the light-sensitive initiator, such as camphorquinone.
88847
INI CET
The Greater Auricular Nerve (C2, C3) supplies the skin over the parotid gland, the angle of the mandible, and the lower part of the ear.
86550
Oral PathologyWhite sponge nevus is inherited as an autosomal dominant trait.