Low arterial concentrations of oxygen in blood is termed as:

Correct option is A

Ans. (a) Sol. Hypoxemia refers to low levels of oxygen in the blood, particularly in the arterial circulation. This condition can lead to hypoxia, where tissues are deprived of adequate oxygen.
Explanation of each option:
· (a) Hypoxemia – Correct. Hypoxemia is the condition of having low oxygen levels in the blood.
· (b) Hypoxia – Incorrect. Hypoxia refers to low oxygen levels in the tissues, which can result from hypoxemia but is a separate condition.
· (c) Euphaesia – Incorrect. This is not a term related to oxygen levels in the blood.
· (d) Euoxemia – Incorrect. This term refers to normal oxygen levels in the blood, opposite of hypoxemia.