Human Anatomy & Physiology Questions – Part 18
This is the Part 18 general knowledge questions and answers section on “Human Anatomy & Physiology” with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.
171. How big is the lung sack?
If all the tubes and little round air sacks in the lungs were laid out that they would cover a tennis court.
172.What is a heart-lung machine?
It is a device which takes over heart and lung functions and maintains circulation and oxygen supply to the blood.
173. What is colout blindness?
It is a condition more common in men than women. It is characterized by inability to distinguish between colours, in particular red and green.
174. What is incubation period?
It is a period between infection and appearance of symptoms.
175. Which part of the heart is a pacemaker?
The part of the heart which originate contractions of the heart muscles. If it fails to work, an artificial pacemaker can be inserted.
176. What is a Parkinson’s disease?
Common nervous diseases with muscular tremors, weakness and stooping, usually found in old people. The mind is not affected.
177. What is radio therapy?
It is the treatment of certain diseases using X-rays, radium or other radio active substances.