NEET MDS Shorts
53911
Radiology
Hyperparathyroidism is a condition characterized by an
overproduction of parathyroid hormone (PTH), which leads to increased bone
resorption and changes in bone density. The radiographic features associated
with hyperparathyroidism include: Loss of Lamina Dura: The lamina dura is the thin layer
of dense bone that lines the tooth socket (alveolus). In
hyperparathyroidism, the loss of lamina dura can be observed due to the
increased osteoclastic activity and bone resorption. Ground Glass Appearance: This refers to a radiographic
appearance of bone that looks hazy or "ground glass" rather than having a
clear, well-defined structure. This appearance is due to the alteration in
bone density and the presence of fibrous tissue replacing normal bone. Osteogenesis Imperfecta: This condition is characterized
by brittle bones due to a defect in collagen formation. Radiographically, it
may show thin cortices and osteopenia, but not typically a ground glass
appearance. Osteopetrosis: This is a condition of excessive bone
density due to impaired osteoclast function. Radiographically, it shows
increased radiopacity (dense bones) rather than a ground glass appearance. Osteitis Deformans (Paget's Disease): This condition is
characterized by disorganized bone remodeling. Radiographically, it can show
a "cotton wool" appearance and enlarged bones, but it does not typically
present with a loss of lamina dura or a ground glass appearance in the early
stages.
Other Options:
12158
Oral Medicine
Huntington's disease typically begins in the fourth or fifth decade of life. It is an autosomal dominant disorder that affects both men and women, and the symptoms include chorea, behavioral disturbances, and cognitive decline. While there is a wide range in age of onset, the average age of symptom manifestation is around 30 to 50 years.
60367
Oral Pathology
Diphtheria serious bacterial infection that usually affects the mucous
membranes of the nose and throat.
Diphtheria signs and symptoms usually begin 2 to 5 days after a person becomes
infected. Signs and symptoms may include:
A thick, gray membrane covering the throat and tonsils
A sore throat and hoarseness
Swollen glands (enlarged lymph nodes) in the neck
Difficulty breathing or rapid breathing
Nasal discharge
Fever and chills
Tiredness
Skin (cutaneous) diphtheria
A second type of diphtheria can affect the skin, causing pain, redness and
swelling similar to other bacterial skin infections. Ulcers covered by a gray
membrane also may be a sign of skin diphtheria.
87061
NEETMDS
In iron deficiency anemia, the body/s iron stores are low. This leads to decreased serum ferritin and serum iron levels. To compensate, the body increases the production of transferrin, the protein that transports iron, which increases the total iron binding capacity (TIBC)
90739
Oral PathologyIn tongue amyloidosis, amyloid is deposited primarily in the stromal connective tissue. Amyloid proteins accumulate in the extracellular space of connective tissue, not within cells. This deposition causes tissue enlargement and functional impairment of the affected organ.
38394
PhysiologySpermatogenesis occurs in the seminiferous tubules of the male reproductive system, where sperm cells are produced and matured.
56457
RadiologyRadiographic image of a malignant tumour is characterized by sunburst appearance.
59182
RadiologyScreen films differ from non-screen films in that they are more sensitive to X-rays than light.
67923
Physiology
Answer: 1) The body is represented in a distorted manner in the somatosensory area-I, with the face and hands having a disproportionately larger representation due to their higher innervation density.
81167
Oral PathologyYellowish discoloration of teeth in children fed on tetracyclines is common.