MDS PREP
Chemotherapy can be successful during treatment of
1. Ameloblastoma
2. Leukaemia
3. Fibrosarcoma
4. Basal cell carcinoma
Oral Pathology
Answer: 2
Chemotherapy can be successful in the treatment of leukemia.
Melanoma is
1) Benign tumour of skin and mucous membrane
2) Malignant tumour of skin and mucous membrane
3) Malignant tumour of melanophores
4) Benign tumour of melanophores
Oral Pathology
Answer: 2
What is the primary cause of hyperphosphatemia in renal failure?
1) Increased dietary intake
2) Decreased renal excretion
3) Increased bone resorption
4) Decreased parathyroid hormone levels
The primary cause of hyperphosphatemia in renal failure is decreased renal excretion, leading to phosphate retention in the body.
Which of the following antibiotics shows an incidence of approximately 8% cross-allergencity with penicillins?
1) Bacitracin
2) Erythromycin
3) Cephalexin
4) Vancomycin
Pharmacology Answer: 3
Cephalosporins can cause allergic reactions in people with penicillin allergy. The overall rate of allergy to cephalosporins in people with penicillin allergy is approximately 5 to 10%, although rates may be higher for certain people. Allergic reactions to cephalosporins can be severe and even lifethreatening;
it is generally recommended that those allergic to penicillin avoid cephalosporins all together.
What is the primary function of the cholinergic system in the gastrointestinal tract?
1) Decreases peristalsis and relaxes sphincters
2) Increases peristalsis and relaxes sphincters
3) Increases peristalsis and constricts sphincters
4) Decreases peristalsis and constricts sphincters
The cholinergic system, acting via muscarinic receptors, increases peristalsis and relaxes the sphincters in the gastrointestinal tract to facilitate the movement of food and waste through the digestive system.