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Quiz 14
Mdcat-past-papers - NUMS Quiz
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Board: NUMS |
261. One rem is equal to:
0.01 Gy/RBC
0.01 Gy × RBC
0.01 RBC
0.01 Gy
262. 1 rad is equal to:
0.01 J/Kg
0.01 Kg/J
0.01 J
0.01 Kg
263. A 60 kg man absorbs lethal whole body equivalent dose of 200 rem with RBE factor of 10. Energy absorbed is:
9 J
8 J
10 J
12 J
264. Somatic effect causes:
Gene deformation
Chromosomes deformation
Skin burns
Eye burns
265. Each person experiences the background radiation dose in one year:
1 mSv
1 mGy
1 Gy
1 Sv
266. Magnesium is an important nutrient in plants for the formation of:
Proteins
Lipids
Chlorophylls
enzymes
267. Plants growing in saline soil face the problem of dehydration due to:
Ψs of soil > Ψw of root
Ψs of soil < Ψs of root
Ψw of root > Ψw of soil
Ψw of root = Ψw of soil
268. Blood group which is known as a universal donor is:
A
O+ve
AB-ve
O-ve
269. Heartbeat is normally regulated by:
purkinje fibers
AV bundle
sinoatrial node
bundle of his
270. The heart chamber from where aorta originates:
Left ventricle
Left atrium
Right ventricle
Right atrium
271. Weakened papillary muscles of right ventricles would result in constant back flow of blood into:
Right Atrium
Right Ventricle
Right Ventricle
Left Atrium
272. Mesenteric veins drain the blood from:
Liver
Large intestine
Stomach
Gall bladder
273. Lymphatic system contain all of the following organs except:
lymphoid masses
lymph vessels
spleen
lungs
274. Which of the following would not be compromised in the absence of Lymphatic system?
Blood Pressure
Oxygen carrying capacity of blood
Blood composition
Defense mechanism
275. The presence of which molecules distinguishes blood from interstitial fluid?
Large proteins and electrolytes
Glucose and RBCs
Antibodies and electrolytes
RBCs and Large proteins
276. The method which helps in developing immunity against bacteria is:
Radiotherapy
Chemotherapy
Vaccination
Antibiotics
277. Which may not be a mode of action of an antibody?
Neutralizing an antigen
Precipitating an antigen
Secretion of cytokines
Enhancing phagocytosis
278. The cells which play very important role in developing immunity:
Lymphocytes
Neutrophils
Monocytes
Thrombocytes
279. Vaccination is an example of:
Natural passive immunity
Acquired/Artificial active immunity
Natural active immunity
Acquired/Artificial passive immunity
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:
Plasminogen
Interferons
Antibodies
Interleukin-1
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