New NEET Pattern

MCQ on General onco

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Q) WHich is not a invasive mechanism of cancer cells invasion ?

a) Rise in interstitial pressure in the tissue

b) Dissolution of extracellular matix

c) Mobility of cells to Invade

d) Extra cellular matrix dissolution is due to  physical factors

Ans d 

Cancer cells secrete collagenases and proteases that chemically dissolve any extracellular boundaries
They also express  of cell-surface molecules called integrins

Three main mechanisms of cancer cells  that  facilitate invasion are

(1) Rise in the interstitial pressure within a tissue

2. They secrete enzymes that dissolve extracellular matrix

3. Acquire mobility

bailey 141

PET CT In Urological Malignancies

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Q) PET CT in urological  malignancies most useful in? ( Questions as per NEW NEET SS Pattern) 

a) RCC

b) Testis

c) Urinary bladder

d) all

Ans B

Testis

In men with testis cancer, it is recommended in the follow-up of patients with seminoma with any residual mass

Promising in Urinary bladder ca

Not used in RCC 

BAiley page 1391

Stemmer’s test

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Q) Stemmer Test is done in

a) Lymphedema

b) Deep Venous Thrombosis

c) Superficial Venous thrombosis

d) Factitious lymphedema

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