MDS PREP
Apoptosis is suggestive of?
1. liquifaction degeneration
2 coagulation necrosis
3 neo angiogenesis
4 eithelial dysplasia
Pathology
Answer: 2
Cells die by one of two mechanisms necrosis or
apoptosis
Two physiologically different processes
Necrosis death by injury
Apoptosis death by suicide
Appoptosis:
Disintegration of cells into membrane-bound particles that are then eliminated by phagocytosis or by shedding.
Tobacco usage has been associated with
1. Hyperkeratosis
2. Erythema
3. Ulceration
4. None of the above
Oral Pathology
Answer: 1
Tobacco use, particularly smoking, is known to cause various oral lesions, including hyperkeratosis, which is a thickening of the outer layer of the skin or mucous membranes. This can manifest as leukoplakia or other forms of keratosis in the oral cavity. While tobacco can also lead to erythema and ulceration, hyperkeratosis is the most directly associated condition.
The treatment for a child with cherubism is
1. Surgical excision
2. Cosmetic surgery after puberty
3. Radiation
4. Enbloc dissection
Cosmetic surgery after puberty is the treatment for a child with cherubism.
At what level in the skin do bullae MOST likely develop in a localized cutaneous infection around the mouth with phage group II Staphylococcus aureus?
1) Across the basal cells
2) Below the basement membrane
3) Between the basal cells and the basement membrane
4) High in the epidermis
Bullae in a localized cutaneous infection with Staphylococcus aureus typically develop high in the epidermis due to the infection.
Prolonged administration of broad spectrum antibiotics results in the formation of
1. Black hairy tongue
2. Decrease exposure time
3. Geographic tongue
4. Fissured tongue
Oral Pathology
Answer: 1
Prolonged administration of broad-spectrum antibiotics can lead to black hairy tongue.
Patient giving history of thrombocytopenic purpura reports for extraction. What could be the most common postoperative complication?
1. Oedema
2. Haemorrhage
3. Infection spreading through tissue spaces
4. Dry socket
Oral Pathology
Answer: 2
The most common postoperative complication in thrombocytopenic purpura is hemorrhage.
Which of the following is the MOST likely explanation for when two days after removal of a cancerous neck lesion, there is thigh and calf cramps, tingling around the lips, low serum calcium, and high serum phosphate?
1) Hyperparathyroidism
2) Primary hypoparathyroidism
3) Pseudohypoparathyroidism
4) Renal failure
The symptoms described are indicative of primary hypoparathyroidism, which can occur after surgical removal of the parathyroid glands.
Oral lesions on the tongue and other mucosal surfaces of the oral cavity is commonly caused by the deficiency of
1. Vit B
2. Niacin
3. Vit C
4. Vit K
Oral Pathology
Answer: 2
Oral lesions on the tongue are commonly caused by a deficiency of Niacin (Vitamin B3).