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1. to respond to a stimulus.
2. to enter into chemical action.


To take part in or to undergo a chemical reaction.
[Mod. L. reactus]


1. To act in response to a stimulus.
2. To undergo a chemical reaction.
Rapid Early Action for Coronary Treatment. A community-based clinical trial which compared emergency reaction times in a population educated about appropriate responses to heart attack symptoms to a population that was not so educated


Cardiology A community-based clinical trial–Rapid Early Action for Coronary Treatment–which compared the time it took a population educated on how to respond to a heart attack to one lacking such education. See Coronary artery disease, Quinapril.


To take part in or to undergo a chemical reaction.
[Mod. L. reactus]


1. to respond to a stimulus.
2. to enter into chemical action.

Patient discussion about react

Q. can one be allergic to multiply things and react the same?

A. if you are allergic to something that means you have a tendency to develop allergies. Your body can decide to react in the same way to other things too. It can also manifest in other way- depends on the allergen. If it's airborne, could get to bronchi and cause asthma, or to the nasal cavity and cause sneezing and mucus. Or if can cause irritation by touch. Any way, the answer is yes:)

Q. Why do some people react differently to alcohol than others? Why do some people react differently to alcohol than others? I am one among those ‘some people’.

A. Hi friend. Before I answer your question, I need an answer from you. May I know how you react ‘differently’? Usually, the individual’s reaction to alcohol will vary. They are influenced by many factors, including but not limited to:

• Age.
• Gender.
• Race or ethnicity.
• Physical condition (weight, fitness level, etc).
• Amount of food consumed before drinking.
• How quickly the alcohol was consumed.
• Use of drugs or prescription medicines.
• Family history of alcohol problems.

Q. How bad can a infection get in your body? Like if you react to something like condoms and dont get it treated. I had a reaction a year ago to 3 condoms that were used and I didnt get it treated,not everything is weird in my area. Like, im all papery down there and stuff like that. And please dont say go to the doctor because that doesnt help me at the moment, because right now, thats impossible to do and please dont ask why. Thank you.

A. what you describes sounds like you had an allergic reaction to latex. an infection might be caused afterwards- if the skin ruptured. because i can't look (and please refrain adding or sending a picture- my wife can understand it the wrong way :) ) i can't really tell you if it looked you see puss? in not- get a moisturizer and use frequently. if there is an infection- there are antibiotic creams but they need a Dr. prescription if i'm not mistaken.

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References in periodicals archive ?
If polysaccharide-reacting IgA is present in the digestive system, it is possible that the reacting IgA may interact with the pharmacologically active polysaccharides of herbal medicines in the intestinal fluid.
Our experiences suggest that summarizing is a useful tool for simplifying complex content, and reacting makes complex content more relevant as students learn about their own beliefs.
It's not that there are two or three or four Keatons on screen that matter; it's that each Keaton is reacting to the other comically.
Again, which of these thermodegradation reactions takes place and to what extent depends on the structure of the urethane, the reacting conditions and the environment.
These reactive integrated computer hardware, software and sensor systems monitor and control temperature, humidity, pressurization, alarm systems, start/stop sequencing, on/off status, particle concentrations, and filter efficiency in ultra-clean manufacturing environments by reacting to changes in the room's environmental conditions and responding to maintain the room inside its operating parameters.
Interactions among the reacting chemicals and the diffusing reaction products created well-defined regions of low acidity.
The reaction is also highly selective, reacting only with PCBs and their relatives, even when they happen to be mixed with other hydrocarbons.
In some cases, the body began reacting against the cancer long after the injected antibodies were gone.
Investigation of dynamic surface properties of thermosetting adhesives led him to develop a general theory of adsorption kinetics in binary, chemically reacting surfactant systems.