45) Ebola viruses are transmited by: b) Drinking water Air-borne Fecal-oral roul

Question

45) Ebola viruses are transmited by: b) Drinking water Air-borne Fecal-oral roule c) Insect bites e) Sexual comtacts 46) Red bone marrow is located in the a) Sternum b) Ribs c) Long bones Hip boners e) All of the abave 47) A solid tumor at 4 stage implies: a) Benign growth of 4 category b) A highly radio sensitive malignancy c) Extensive invasion and multiple d) Highly curable cancer e) None of the above organs involvement 48) Cancer cells can be inactivated by: Chemical agents tha t inactivated DNA-polymerase Specific antibodies that could bind to the malignant cells c) Angiotensin; ]& d) Interferons e) All of the above 2) When medical personnel are found to carry to carry active infections: they should be fired from the hospital They must tak a) tr b) e additional precautions for treating patients for alarm c) There is no need is no need for They should be removed from patient care un They should be vaccinated right away for the infection. til they recover d) e) ) Which of the following pathogens is least likely to be removed f pasteurization? Salmonella b) Campylobacier c) Lactobacillus d) Shigella Bactcrial endospores

Explanation / Answer

1. Ebola virus can’t be transmitted through insect bite ,sexual contacts and it is also not an airborne

It is transmitted through faecal oral route

2. Red bone marrow is present in hip bones , ribs , sternum(breast bone)

,and at the end of the long bones but the central cavities of long bones is filled with yellow marrow

3.solid tumour at 4 th stage implies extensive invasion and multiple organ involvement

4 .cancer cells can be inactivated by (a) interferons

(B)angiotensin1&2

(C)chemical agents that inactivates the DNA polymerase

(D) specific antibodies that could bind to the malignant cells

5. When medical personnel carries active infections they should be removed from patients care unit until they are recovered

6. The least likely to be removed pathogens from the milk by pasteurisation is lactobacillus which is help ful in turning milk to curd

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