Biology MCQs
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The histological changes in Hashimoto thyroiditis affect
- A. markedly focal
- B. entire thyroid gland
- Correct Answer: Option B
What is the common between fibrosis, sclerosis and cirrhosis?
- A. the common is the fibrinoid degeneration of the organ
- B. they are different processes and dont have anything common between them
- C. the common is the lipid accumulation in the interstitium of the organ
- D. the common is the increased development of connective tissue in the organ
- Correct Answer: Option D
Pleomorphic adenoma could be seen mainly
- A. in the minor salivary glands
- B. in the parotid gland
- C. in the stomach
- D. in the thyroid gland
- Correct Answer: Option B
Cytotoxic hypersensitivity reactions are related to
- A. hemolytic anemia
- B. hashimoto thyroiditis
- C. allergic rhinitis
- D. nodosal polyarteritis
- Correct Answer: Option A
The gross description: thick, hard, glassy whitish depositions, non-digestable by enzymes, is indicative for
- A. fibrinoid deposition
- B. hyalinosis
- C. steatonecrosis
- D. liquefactive necrosis
- Correct Answer: Option B
What is hemoptoe?
- A. blood in the pleural cavity
- B. bleeding from the nose
- C. blood vomiting
- D. bleeding from the lungs
- Correct Answer: Option D
Which staining is used for proving mucus production from gelatinous adenocarcinoma?
- A. van gieson
- B. PAS reaction with amylase control
- C. congo red
- D. toluidin bleu, metachromasia is demonstrated
- Correct Answer: Option B
Which of the following microscopic descriptions most likely suggest kidney amyloidosis? The stain is H-E in all the described specimens
- A. the interstitium shows chronic inflammatory reaction, the main change is seen in the kidney tubules which look dilated and filled with pinkish substance (these tubules look like thyroid follicles)
- B. afferent and efferent arterioles have homogenously thick walls stained in pink, some of the glomeruli look smaller, with totally effaced structure and homogenously pink in color, while others may look normal in size or even with compensatory hypertrophy
- C. highly enlarged glomeruli, the capillary tufts filled almost all of the capsular space, capillary lumens are obliterated; pink homogenous substance is deposited also in the mesangium, in the basement membranes of the tubules and in the walls of the blood vessels
- D. many glomeruli show crescent proliferations, encompassing 2/3 of the bowman's space; the process ends with global sclerosis of the glomerulus
- Correct Answer: Option C
Which are the cells that infiltrate the whole thickness of the appendix in phlegmonous appendicitis?
- A. neutrophils
- B. basophils
- C. giant multinucleated cells
- D. lymphocytes and plasma cells
- Correct Answer: Option A
‘Sago spleen and lardaceous spleen’ are
- A. sago spleen is amyloidosis of the spleen, while lardaceous spleen is hyalinosis of the spleen
- B. gross appearance of the localized (sago-spleen) and generalized (lardaceous spleen) amyloidosis of the spleen
- C. gross appearance of the spleen in hodgkin's lymphoma depending on the severity of the process
- D. in lardaceous spleen the amyloid is deposited in the white pulp only, while in sago spleen both white and red pulp have amyloid deposition
- Correct Answer: Option B