Question
Artificial ventilation.

Answer

(1) Artificial ventilation is the artificial respiration. It is the method of inducing breathing in a person when natural respiration has ceased or is faltering. If used properly and quickly, it can prevent death due to drowning, choking, suffocation, electric shock, etc.

(2) The process involves two main steps:
a. Establishing and maintaining an open air passage from the upper respiratory tract to the lungs.
b. Force inspiration and expiration as in mouth to mouth respiration or by mechanical means like ventilator.

(3) A ventilator is a machine that supports breathing and is used during surgery, treatment for serious lung diseases or other conditions when normal breathing fails.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

What is eutrophication? Describe the phenomena of eutrophication.
Show that Darwin’s natural selection is based on natural observation, with an example for each.
DNA and RNA

The above diagram shows a simplified biogeochemical cycle.
  1. Name the compound whose cycle is depicted.
  2. In what way do vehicles add this compound to atmosphere?
  3. What adverse effect does its excess have on the environment?
  4. Cite an event which depicts this effect in the modern times.
  5. Suggest two ways of reducing this effect.
Distinguish between : Transport of O2 and Transport of CO2.
In which way has the study of biology helped us to control infectious diseases?
What is the inheritance pattern observed in the size of starch grains and seed shape of Pisum sativum? Workout the monohybrid cross showing the above traits. How does this pattern of inheritance deviate from that of Mendelian law of dominance?
Following is the sequence of nucleotide in two strands of DNA. Observe the strands and answer the preceding questions.
5' - GAATTC - 3'
3' - CTTAAG - 5'
  1. Name the special term used for such an arrangement of nucleotide.
  2. Name the special type of enzymes which work/ function at this specific points.
  3. Name the enzyme, that cut DNA between GA sequence.
  4. Name the single strands produced after the action of the enzyme.
Why are healthy root nodules pink in colour?
Observe the given food web and answer the questionsImage1. Name the producers in the above web.
2. Name the primary consumers in the above web.
3. Which is an omnivore animal in the above web? Why?
4. Why frog is occupying an important ecological position in this web?
5. From the given food web diagram, give the trophic levels where the eagle is present.