MDS PREP
Which of the following hormones stimulates the development of the corpus luteum and the secretion of progesterone?
1) Follicle-stimulating hormone (FSH)
2) Luteinizing hormone (LH)
3) Estrogen
4) Progesterone
LH is responsible for the transformation of the follicle into the corpus luteum and the initiation of progesterone production during the luteal phase of the menstrual cycle.
Wash leather slough is seen with
1) Gummatous ulcer
2) Rodent ulcer
3) Trophic ulcer
4) Chronic ulcer
Oral medicine
Answer: 1
The hyperthyroidism followed by hypothyroidism is seen with
1) Subacute thyroiditis
2) Postpartum thyroiditis
3) Both
4) None
Oral medicine
Answer: 3
In which order do elastomeric impression materials rank in terms of tear strength?
1) Condensation silicone > Addition silicone > Polyether > Polysulfide
2) Polysulfide > Condensation silicone > Addition silicone > Polyether
3) Addition silicone > Condensation silicone > Polyether > Polysulfide
4) Polyether > Addition silicone > Condensation silicone > Polysulfide
Polysulfides generally have the highest tear strength among the elastomeric impression materials.
In hereditary intestinal polyposis, the intraoral site most frequently involved in pigmentation is
1. hard palate
2. tongue
3. gingiva
4. buccal mucosa
Medicine
Answer: 4
An exophytic papillary lesionof the hard palate, consisting of a luminal layer of columnar cells resting on a cuboidal basal layer, with the connective tissue papillae containing plasma cells, could be
1. Monomorphic adenoma
2. Simple ductal papilloma
3. Oxyphilic adenoma
4. Sialadenoma papilliferum
Oral Pathology
Answer: 4
Sialadenoma papilliferum is a rare, benign
salivary gland tumor typically occurring in the palate. It presents as an
exophytic, papillary lesion and histologically shows a dual epithelial layer
(columnar and cuboidal) with connective tissue cores that may contain plasma
cells. The other options, such as monomorphic adenoma or simple ductal papilloma,
lack these specific histological features.