Sunday, January 23, 2011




66. Name some organisms which cause diseases.
67. Name the diseases caused by viruses.
68. Name the diseases caused by bacteria.
69. Name the diseases caused by fungi.
70. Name the diseases caused by protozoan micorbes.
71. Name the diseases caused by worms.
72. Why is it important to categorise these infectious agents?
73. What are the common features found in viruses and bacteria?
74. What are the common features found in viruses and fungi?
75. What are the common features found in viruses, bacteria and fungi?
76. Drugs will work against all the microbes belonging to the same group. True or False?
77. Same drugs will not work against the microbes belonging to a different group. True or False?
78. How does an antibiotic work against diseases?
79. How are the bacteria attacked / destroyed by the antibiotic?
80. What is the special effect of Penicillin?
81. Will antibiotics work against viruses? Why?
82. When should we take antibiotic for cold?
83. When  don't we need antibiotic for cold?
84. Antibiotic works against ----------------- infection. It does not work against ------------ infection.


85. How do infectious diseases spread?
86. What does the term 'communicated' mean with reference to communicable diseases?
87. How do the microbes spread through air?
88. Give some examples of diseases that spread through air.
89. Why do airborne diseases spread quickly in crowded areas?
90. How do diseases spread through water?
91. Give some examples of diseases that spread through water.
92. If the drinking water is not safe / pure waterborne diseases are likely to spread. True or False?
93. What are the diseases that spread through sexual contact?
94. Sexually transmitted diseases spread by casual physical contact. True or False?
95. Casual physical contacts include ---------------, ---------------- and ----------------.
96. What do you mean by blood-to-blood contact? What is the disease that spreads through blood-to-   blood contact?
97. What are the ways in which AIDS spreads?
98. How do diseases spread through animals?
99. What are intermediaries or vectors?
100. Name the commonest vector.
101. Why do female mosquitoes need highly nutritious food / blood?
102. How does the mosquito transfer diseases?


103. How do the disease causing microbes enter the body and where do they go?
104. Do all microbes go to the same tissue or organ, or do they go to different ones?
105. When the microbes enter from the air via nose they go to the --------------.Give example.
106. If  the microbes enter throug the mouth they stay in the ---------- .Give example.
107. HIV that comes into the body via the sexual organs will spread to ------------------------- all over the body.
108. Malaria causing microbes entering through a mosquito bite will go to the ---------- and then to the ----------------------.
109. What is Japanese encephalitis?
110. What is the common name of Japanese encephalitis?
111. How is brain fever caused?
112. The virus causing Japanese encephalitis enters through ------------------ and affects the ----------.
113. Signs and symptoms of a disease will depend on the ---------------- or ------------ which the microbe targets.
114. If the lungs are the targets the symptoms will be --------------- and ----------------.
115. If the liver is targeted, --------------- will be caused.
116. If the brain is targeted, we observe symptoms like --------------, ----------------- or ---------------.
117. If we know what the target tissue or organ is, we can imagine the symptoms and signs of an infection. True or False?
118. What is inflammation? How is it caused? What are the effects of inflammation?
119. How does HIV infection affect the body? How do these infections kill people?
120. Small cold cannot become pneumonia. True or False?
121. Minor gut infection can produce major diarrhoea with blood loss. True or False?
122. Severity of disease manifestations depend on the number of --------------------- in the body.
123. If the number of microbes is very small the disease manifestation will be -----------------.
124. If the number of microbes is large the disease manifestation will be ----------------.
125. The ---------------------------- is a major factor that determines the number of microbes surviving in the body.

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