Chest pain due to inadequate oxygen supply to the heart muscle is called:

Atherosclerosis refers to the ailment of

Assertion: Saline water is not given to patients of hypertension.
Reason: Saline water can cause vomiting and may drop blood pressure suddenly causing cardiac arrest.

Pain in the heart muscle is known as........

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

$A$ reduction in the number of blood platelets is called: