An individual suffers a blood clot in an artery that delivers blood to his leg. The leg begins to take on a blue hue, becomes colder than the rest of his body and he experiences numbness in the leg.
He is most likely experiencing:

a) anemic hypoxia
b) ischemic hypoxia
c) hypoxic hypoxia
d) histotoxic hypoxia
e) allergic hypoxia

Anemic hypoxia.

Explanation:

Anemic hypoxia is a medical condition that result when few haemoglobin are present in the blood leading to decreased ability of the blood to carry oxygen.

Oxygen is essential for human proper body functioning.

This is normally cause by lack of red blood cells ( haemoglobin) that carry oxygen.

The symptoms of anemic hypoxia are;

Skin color change to blue or cherry red.

Numbness

Cold hands and feet.

Headache

Weakness.

From the questions, the symptoms are similar to anemic hypoxia.

it depends on how much it could carry.