Hypoxia (essay) & Cyanosis

Question 1

Hypoxic Hypoxia is due to :

Answer 1

Decrease in oxygen supply to blood

Question 2

Hypoxic Hypoxia as in :

Answer 2

-Decreased oxygen tension in inspired air as in high altitude

-Decreased ventilation

Question 3

Decreased ventilation as in :

Answer 3

-Depression of inspiratory center (morphine toxicity)

-Obstruction of respiratory passages as in bronchial asthma

-Decrease diffusion through pulmonary membrane as in pneumonia

Question 4

Anemic Hypoxia is due to :

Answer 4

Decrease in the amount of hemoglobin available to carry oxygen as in severe anemia

Question 5

Stagnant Hypoxia is due to :

Answer 5

Circulatory failure as in heart failure

Question 6

Histotoxic Hypoxia is due to :

Answer 6

Tissues failure to utilize oxygen as in cyanide toxicity

Question 7

Cyanosis is an abnormal :

Answer 7

Bluish discoloration of skin & mucous membrane

Question 8

Cyanosis is an abnormal bluish discoloration of skin due to the presence of more than :

Answer 8

5 g reduced hemoglobin

Question 9

Central cyanosis is generalized bluish discoloration of body due to :

Answer 9

Inadequate oxygenation

Question 10

Peripheral cyanosis is bluish discoloration of the distal extremities (fingertips) due to :

Answer 10

Vasoconstriction & Decrease blood flow as in exposure to cold temperature