4. Which of the following conditions can cause enterogenous cyanosis? A: Carbon monoxide poisoning B: Nitrite poisoning C: Cyanide poisoning D: Oxygen poisoning E: Intestinal endotoxin poisoning

Which of the following does not cause skin redness( ) A: Scarlet fever B: Carbon monoxide poisoning C: Atropine poisoning D: Organophosphorus poisoning E: Cushing syndrome

The mice with cherry red skin were ( ) A: Hypoxic rats B: carbon monoxide poisoning C: sodium nitrite poisoning D: Potassium cyanide poisoning mice E: normal mice

Which of the following can lead to metabolic acidosis with an increased AG? A: Aspirin poisoning B: Diabetes C: Renal tubular acidosis（RTA） D: Carbon monoxide (CO) poisoning E: Ethanol (alcohol) poisoning

The possibility of food poisoning has been ____.

A common symptom of carbon monoxide poisoning is （ ）

Who finally cured Frodo’s wound caused by the poisoning blade? ____

What's wrong with Sarah? A: She has got a bad cold. B: She has a toothache. C: She has got food poisoning.

According to the definition of public health emergency, which of the following events does not belong to public health emergency? A: Major infectious diseases B: Major chronic diseases C: Mass unknown diseases D: Major food poisoning and occupational poisoning

Condors have been killed by ______. A: shooting B: poisoning C: electrocution D: all of the above