The picture shows an instruction manual for the medicines that a classmate brought with him when he was traveling. Please answer the following questions based on the biological knowledge you have lear

The picture shows an instruction manual for the medicines that a classmate brought with him when he was traveling. Please answer the following questions based on the biological knowledge you have learned: (1) This explanation

(1) Drugs mainly include over-the-counter drugs and prescription drugs. Over-the-counter drugs are drugs that can be judged, purchased and used by oneself without a doctor’s prescription, referred to as OTC. Most of these drugs are used for self-diagnosis and treatment of common common diseases, such as colds, coughs, indigestion, headaches, fever, etc. In order to ensure people's health, warnings are included in the packaging labels and instructions for use of over-the-counter drugs in my country, clearly stipulating the use time and course of treatment, and emphasizing that "if symptoms are not relieved or disappear, you should consult a doctor." Prescription drugs are drugs that must be prepared, purchased and used by a licensed physician or an assistant physician, referred to as Rx. Therefore, the "OTC" mark indicates that the drug is an over-the-counter drug.

(2) Fengyoujing has a wide range of applications and has certain effects on headaches, rheumatic bone pain, toothache, motion sickness and seasickness. Under normal circumstances, it is administered externally, but it can also be taken orally if necessary. Adults can take 4-6 drops at a time. Calcium tablets are mainly used to supplement calcium. Bone-setting water is a clear brown-red liquid, used for injuries caused by bruises and sprains and to relieve fatigue before and after sports. Band-Aid is the most commonly used surgical medication in people's lives. Band-Aid, also known as "hemostatic plaster", has the function of stopping bleeding and protecting creation. Therefore, if your parents are traveling with you, common medicines that are not necessary in the family medicine box are B and calcium tablets.

(3) The validity period of this medicine is 24 months, and the production date is February 15, 2009. Therefore, this medicine is valid until February 14, 2011. Therefore, this medicine should be used before February 15, 2011 at the latest.

(4) There are more than 40 carcinogens in the smoke produced when smoking, as well as more than ten substances that can promote the development of cancer. Among them, the most harmful to the human body are nicotine, carbon monoxide, tar and a variety of other substances. Metal compounds. These toxic substances first directly enter the human respiratory system, causing respiratory diseases such as tracheitis, bronchitis, pneumonia, and lung cancer. To encourage people to cherish life and stay away from tobacco. It can be played on the TV station: Establish good thoughts and refuse the first cigarette; the cigarette in your hand today will be the song of departure tomorrow.

(5) When a patient is in danger of death or has an accident, we must call the emergency hotline 120 and take certain first aid measures. The emergency doctor will repeatedly advise on the phone: Do not pull out the bamboo tips. Don't let others touch the bamboo tip, mainly to prevent the blood vessels at the wound from rupturing again, causing excessive blood loss.

So the answer is: (1) Over-the-counter

(2) B

(3) February 15, 2011

(4) Breathing? Establish good thoughts and refuse the first cigarette

(5) 120? Blood vessels