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Mdcat-past-papers - NUMS Quiz

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261. One rem is equal to:



262. 1 rad is equal to:



263. A 60 kg man absorbs lethal whole body equivalent dose of 200 rem with RBE factor of 10. Energy absorbed is:



264. Somatic effect causes:



265. Each person experiences the background radiation dose in one year:



266. Magnesium is an important nutrient in plants for the formation of:



267. Plants growing in saline soil face the problem of dehydration due to:



268. Blood group which is known as a universal donor is:



269. Heartbeat is normally regulated by:



270. The heart chamber from where aorta originates:



271. Weakened papillary muscles of right ventricles would result in constant back flow of blood into:



272. Mesenteric veins drain the blood from:



273. Lymphatic system contain all of the following organs except:



274. Which of the following would not be compromised in the absence of Lymphatic system?



275. The presence of which molecules distinguishes blood from interstitial fluid?



276. The method which helps in developing immunity against bacteria is:



277. Which may not be a mode of action of an antibody?



278. The cells which play very important role in developing immunity:



279. Vaccination is an example of:



280. During Covid-19 epidemic the plasma of recovered patients was injected in covid patients. This proved quite effective. Which component of plasma do you think was responsible for this: