Question

Inadequate blood supply to a tissue is called-

• A. Ischaemia
• B. Hyperaemia
• C. Haemostasis
• D. Haemorrhage

Hint:

This term describes reduced blood flow to a tissue due to narrowed or blocked blood vessels.

Answer 1

The Correct Option is A

Step 1: Break down what the question is asking.
The question describes a state where a tissue does not get enough blood flow, which means it is not getting enough oxygen and nutrients either.

Step 2: Match this to the correct term.
This state is called ischaemia. It happens when the blood vessels supplying an area get narrowed or blocked, so less blood reaches the tissue than it needs. If ischaemia continues for too long, the affected cells can start to die from lack of oxygen, a process called infarction, as seen in conditions like a heart attack.

Step 3: Check why the other terms are wrong.
Hyperaemia (option B) is the opposite situation, an increased blood flow to a tissue, often seen during inflammation or exercise, not a shortage. Haemostasis (option C) refers to the process that stops bleeding, such as blood clotting after an injury, and has nothing to do with a shortage of ongoing blood supply. Haemorrhage (option D) means bleeding, that is, blood escaping from vessels, which is a different event from simply having too little blood flow reach a tissue.

Step 4: Final Answer.
Inadequate blood supply to a tissue is called ischaemia. \[ \boxed{\text{Ischaemia}} \]