nour_aleslam عميد كلية الطب
عدد الرسائل : 122 العمر : 34 البلد : Egypt مجال الدراسه : Medicine تاريخ التسجيل : 29/12/2007
| موضوع: أسئلة MCQ طب المجتمع الخميس 3 يوليو 2008 - 3:19 | |
| بسم الله الرحمن الرحيم,,
Model M.C.Q for fourth year community medicine with answers:
1 - Put ( T ) in front of true. statements and ( F ) in front of the false ones:
1- Plant proteins are biologically complete ( F ) 2- Cereal proteins are rich in both Lyciene and Thrconine. ( F) 3- A combined mixture of cereals and pulses is closer to reference protein ( T ) 4- Proteins are important as blood clotting factor and in formation of visual pigments ( T ) 5- All enzymes are protein in nature (T) 6- Proteins lead to formation of glucose and energy ( T ) 7- Negative protein balance occurs when protein intake exceeds protein output( F ) 8- Milk and meat proteins arc considered as reference proteins ( F ) 9- Infants and young children need 1.5 - 2.0 gm/Kg .... (T) 10- glycogen is an animal from of starch stored in liver (T) 11- Fructose is metabolised to glucose and may be converted to glycogen or fat ( T ) 12- All forms of dietary fibres come form plants ( T ) 13- Dietary fibres are present in all plants and are digested nily in the intestines( F ) 14- Sugars can spare proteins from use as energy as well as prevent ketosis ( T ) 15- Dietary fibres are helpful in slowing glucose absorption( T ) 16- Type 1 diabetes requires insulin therapy whereas in Type II diabetes the focus is more on did conlrol and exercise ( T ) 17- Diet should be high in complex carbohydrates rather than fat ( T ) I8- Simple sugars added to food should provide no more than 10% of total energy ( F ) 19- Many foods that are low in suger produce a high glycaemic index ( F ) 20- Fruits and vegetables have a low glycemic index ( T ) 21- Typically, food is of higher fibre diet with low fluids ( F ) 22- Adipose cells can expand abou: 50 times and the body can not form new adipose cells ( F ) 23- Cholesterol forms a part ofcor icosteroids, oestrogen, and testoslerone ( T ) 24- Cholesterol has a critical role in liver, heart, and brain ( T ) 25- Trans fatty acids are a hazardo is form of SFA and predispose to cardiovascular diseases (F) 26- TfA'S increase LDL and decrease HDL and cholesterol ( T ) 27- Type 2 diabetes is due to enlarged fat cells, poorly bind and poorly responding to insulin message to the cell ( T ) 28-Metabolism of carbohydrate, fat and protein gives energy ( T ) 29- Calories given by combustion of 1.0 gm CHO or protein gives 4 Calories while that of ( T ) 1.0 gm fat gives 9 Calories 30- Energy expenditure is that required for non-occupational daily activities (T) 31- After the age of 40 years energy requirement should be reduced by 20 % until the age of 60 years ( F ) 32- A, B, D, E, and K are fat soluble vitamins that are stored mainly in the liver and fatty tissues (F )
33- Large doses of supplementation with vitamin A, and D, are toxic to the body( T ) 34- Vitamin A is responsible for healthy epithelium especially in the respiratory and urinary tracts ( T ) 35- Vitamin A is necessary for formation of visual purple which is needed for vision in high intensity light ( F ) 36-Carotenes are found in pigments of most vegetables and fruits ( T ) 37- In vitamin A deficiency the cornea may be involved ( T ) 38- excessive intake of Vitamin A leads to carotinaemla ( T ) 39- Vitamin A deficiency is of public health importance alTecling preschool and school children as well as their mothers (T ) 40- Vitamin A programme should be a scpai-alc programme which is concerned with health in order to achieve the expected prevention ( F ) 41- The Bio-availability of vitamin A should be increased with low fat content diet ( F ) 42- There is an interaction between iron and vitamin A ( T ) 43- Vitamin A fortification can be done for sugar, diary products, fats and wheat flour ( T ) 44- Supplementation of mothers within a month of delivery with 400 l.U. vitamin A single dose is important (F ) 45- Prophylactic vitamin A 100 l.U. in the 9th month and 200 l.U. in the 18th month ( F ) 46- Vitamin D is the natural form of vitamin D produced by irradiation ofdchydro-cholesterol of the skin on exposure to the sun ( T ) 47- White skin are liable to vitamin D deficiency ( F ) 48- Vitamin D deficiency may lead to osteoporosis or osteomalacia ( T ) 49- Vitamin E is an antioxidant which reduces the risk of cancer ( T ) 50- Vitamin E is not affected by storing or cooking (F ) 51- Vitamin K is required for synthesis ofprothrombin in the liver and is incorporated in its molecule ( F ) 52- Vitamin K deficiency occurs in impaired fat absorption as in biliary dysfunction ( T ) 53- Thiamine deficiency leads to peripheral neuritis, myocarditis and encephalopathy ( T ) 54- Vitamin B2 is rich in milk, liver, and growing leafy vegetables ( T ) 55- Vitamin B1 is synthesised by bacteria in the large intestine ( F ) 56- Vitamin B1 and niacin is essential in CHO and brain metabolism ( F ) 57- Vitamin B2 deficiency loads to angular stomatitis, cheilosis, and burning sensation of the eye ( T )
58- folic acid is important for deyclopment of red blood cells in the bone marrow ( T ) 59- folic acid deficiency leads to appearance of megaloblasts in blood ( T ) 60- Folic acid and vitamin B12 are essential for DNA formation ( T ) 61- Vitamin B12 deficiency occuis when the extrinsic factor is lacking as in gastrectomy ( T ) 62- Ascorbic acid is rapidly destroyed by oxidation and high temperature ( T ) 63- Vitamin C is important for folate coenzyme and absorption of iron ( T ) 64- Vitamin C deficiency leads to haemorrhage and delayed wound healing ( T ) 65- Sodium is essential in regulation ofncuromuscular i r r itabilily ( F ) 66- Most of the phosphate in the body is present in bone ( T ) 67- Absorption of calcium is increased by oxalate and decreased by cholecalciferol ( F )
68- Dried fruits are rich in calcium and iron ( T ) 69- Hypervitaminosis D may lead to hypercalcaemia ( T )
70- The body of an adult contains 3 - 4 gm iron ( T ) 71- Selenium helps in immune system and has an antioxidant role ( T ) 72- Copper contributes lo thyroid hormone metabolism ( F ) 73- Some green leaves are a good iodine source ( T ) 74- Fish, cheese and tea are rich sources of fluorine ( T ) 75- Ingestion of large amounts fluorine leads to dental and skeletal fluorosis ( T ) 76- Fluoride levels below 50 mg/litre lead to dental carries ( F ) 77- Cigarette smoking and environmental pollution lead to increase free radicals in body ( T ) 78- Selenium, zinc, and copper control the enzymatic defence against free radicals ( T ) 79- Dietary Vitamin E, C, and B ; reduce the damaging capacity of free radicals ( T ) 80- Some foods contain anti-oxid mt substances e.g. Soya beans, green tea, fruits, olives, and onion ( T ) 81- Oxidative stress is an imbalarce between pro-oxidants, and antioxidants ( T ) 82- Vitamin C is the most import, int antioxidant in intracellular fluid ( F ) 83- Vitamin E, the water soluble vitamin, is the major antioxidant in all cell membranes ( F ) 84- there is syneigistic effect between vitamin E and C as well as vitamin E and selenium ( T ) 85- Antioxidants may lead to regicssion ofpre-malignant lesions or inhibit progression of malignancy ( T )
86- Antioxidants inhibit transformation of HDL to the oxidized form and so reduce cardiac arrhythmia ( T ) 87- Onion, garlic, red, orange, and yellow fruits and vegetables may reduce cariccr or cardiac disease ( T ) 88- Vitamin A and carotene cross the placenta and if deficient intake they have a teratogenic effect ( F ) 89- Excessive amount of vitamin D during pregnancy is important for both mothers and babies (F) 90- Extra amount of 10 mg vitamin C is recommended for pregnent women to guard aganist pre-eclampsia ( T ) 91- The foetus requires most of its calcium in the first trimester when skeletal growth is maximised ( F ) 92- Iodine deficiency in pregnancy can lead to cretinism and delayed cognitive function in the new born ( T ) 93- Maternal iron deficiency usually does not result in an anaemic infant at birth ( T ) 94- Iron is a nutrient for which requirement can be met by diet alone ( F ) 95- Colostrum has a relatively high carotene, more protein, sugar, and fat content ( F ) 96- Transitional milk occurs between 3rd and 6th day ( T ) 97- Protein content of milk, lactose and fat are firmly established by the end of the 3rd month ( F ) 98- Exclusive breast feeding allows giving the baby different types of fluids only after the second month ( F ) 99- Milk contains anti-staphylococcus factor which inhibits systemic staphylococcal infection ( T ) 100- Milk contains laclofcrrin which inhibits iron leading lo its decreased amount ( F ) 101- Weaning starts from the 2nd to 6th month, with supplementary feeding, that is small in amount and gradual ( F ) 102- At the age of one year,the child should receive solid food consisting of pulses, vegetables, fruits, chicken and milk ( T )
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nour_aleslam عميد كلية الطب
عدد الرسائل : 122 العمر : 34 البلد : Egypt مجال الدراسه : Medicine تاريخ التسجيل : 29/12/2007
| موضوع: رد: أسئلة MCQ طب المجتمع الخميس 3 يوليو 2008 - 3:19 | |
| II - Choose one answer only:
II - Choose one answer only: Artificial feeding of infants and pre-school children include all but one false answer (answer:a)
a- Dried milk is safer than fresh milk, but it is not adapted to simulate human milk. b- Buffalo and cow milk are cheaper, more available, but should be fresh, safe and from a safe source. c- Hypocalcaemia may occur with the risk ofletany if excessivc dilution of milk occurs.
d- Iron should be supplemented by the 5th month in the form of green vegetable soup. e- Protein is given in the form of egg yolk, minced chicken, and liver.
Ill - One of the following is false: (answer:a) ----------------------------------------- a- Deficient protein and energy in school age leads to marasmus and kwashiorkor b- Vitamin A deficiency and B12 c- Dental carries is predisposed by hygienic lifestyle. d- Goitre e- Impaired growth occurs in chronic deficiencies.
IV - The following is correct about diet in the elderly, Except: (answer:d) ------------------------------------------------------------ ----- a- Adequate intake of protein, calcium and iron. b- Supplementation by vitamins and minerals. c- Low intake of salts saturated fats, and refined sugars. d- Extra amounts of ceirtain diet e.g. eggs, full cream milk, and cheese. e- Psychological and medical care. جزا الله من قام بكتابتها عنا خير الجزاء وجعلها فى ميزان حسناته,,_________________ | |
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