Bluish discoloration of the skin; sign of anoxia __________.

A bluish-purple discoloration of skin and mucous membranes usually resulting from a deficiency of oxygen in the blood is termed ____.

A bluish discoloration of the skin and mucous membranes is termed_______, which is a sign that oxygen in the blood is dangerously diminished (as in carbon monoxide poisoning).

（6）bluish discoloration of the skin and mucous membranes caused by an excess of deoxygenated hemoglobin in the blood or a structural defect in the hemoglobin molecule: ______

A bluish discoloration of the skin and mucous membranes is termed_______, which is a sign that oxygen in the blood is dangerously diminished (as in carbon monoxide poisoning). A: erythematosus B: albinism C: cyanosis D: cyanide

When examining channels and collaterals, what is necessary to check on the skin? A: Whether there is discoloration B: Whether there is rashes C: Whether there is swelling blood vessel D: Whether there is rough skin and desquamation

Which one of the following statements is false? A: Tetracycline can depress bone growth and produce permanent discoloration of teeth in children under 8 years old B: Fluoroquinolones are active against both gram-negative and gram-positive organisms C: Legionella, Chlamydia, Mycoplasma are sensitive to macrolides D: Macrolides may be used in patients who are allergic to penicillins E: Penicillin G can be kept in solution at room temperature