Briefly describe the followings:
(a) Anaemia
(b) Angina Pectoris
(c) Atherosclerosis
(d) Hypertension
(e) Heart failure
(f) Erythroblastosis foetalis

Answers (1)

(a) Decrease in the total number of RBCs which is less than normal causes anaemia. Another cause for it is the lesser than normal quantity of haemoglobin.

(b) Pain emerging in the chest region due to insufficient oxygen supply to the hearts is called angina pectoris.

(c) It is a disease in which there is a deposition of plaque due to high cholesterol levels. It blocks the coronary arteries leading to various heart diseases.

(d) It is a disorder in which the blood pressure is higher than normal, which is 120/80.

(e) Heart failures occur when the heart is congested and is unable to pump blood to meet the needs of the body. It is different from a heart attack.

(f) Erythroblastosis foetalis is caused by Rh incompatibility or mismatching, which is observed between the Rh-negative blood of a pregnant mother with Rh +ve blood of the fetus. This could cause anaemia or even the death of the fetus. The mother can also be at equal risk.

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