IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

LYMPHATIC AND IMMUNE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
anaphylactic shock
A
a severe allergic reaction to an allergen that can result in death
B
disease of the lymph nodes, especially enlargement of the lymph nodes
C
tumors of lymph tissue
D
None of the above
Explanation: 

Detailed explanation-1: -Anaphylaxis is a sudden and severe allergic reaction that occurs within minutes of exposure. Immediate medical attention is needed for this condition. Without treatment, anaphylaxis can get worse very quickly and lead to death within 15 minutes.

Detailed explanation-2: -Anaphylaxis is a serious allergic reaction that is rapid in onset and may cause death. It has been estimated to be fatal in 0.7 to 2 percent of cases [1, 2]. In humans, fatal anaphylaxis is difficult to study because it is rare, unpredictable, and often unwitnessed.

Detailed explanation-3: -The most common causes of death are cardiovascular collapse and respiratory compromise.

Detailed explanation-4: -But sometimes, exposure to an allergen can cause a life-threatening allergic reaction known as anaphylaxis . This severe reaction happens when an over-release of chemicals puts the person into shock. Allergies to food, insect stings, medications and latex are most frequently associated with anaphylaxis.

Detailed explanation-5: -Anaphylactic shock is a rare but severe allergic reaction that can be deadly if you don’t treat it right away. It’s most often caused by an allergy to food, insect bites, or certain medications. A shot of a drug called epinephrine is needed immediately, and you should call 911 for emergency medical help.

Detailed explanation-6: -The first signs of an anaphylactic reaction may look like typical allergy symptoms: a runny nose or a skin rash. But within about 30 minutes, more serious signs appear. There is usually more than one of these: Coughing; wheezing; and pain, itching, or tightness in your chest.

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