举一反三
- How does the virus pass from person to person? A: through the air B: skin contact C: through bloodd D: in food
- A bluish-purple discoloration of skin and mucous membranes usually resulting from a deficiency of oxygen in the blood is termed ____.
- Who can contact the Designated Person?
- 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: ______
内容
- 0
In order to avoid direct skin contact with any body fluids, the cabin attendants should make use of ____ when administering first aid. A: bandage B: gloves C: gauze D: plaster
- 1
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
- 2
A terminally ill patient is one who ______. A: gets worse every day B: can never get well again C: is very seriously ill in the end D: is too ill to want to live on
- 3
Exercise helps the blood and body fluids to _____ in our body A: circulate B: circulation
- 4
Which of the following are the three lines of defense against human infection A: Complete skin and mucous membrane B: Bactericidal substances and phagocytes in body fluids C: Antibodies and lymphocytes D: Antibiotics E: Vaccines