The nurse knows that Type 1 Hypersensitivity reactions are caused by which of the following?

Release of memory T-cells

Organ rejection

Damage to blood vessels

Release of histamine

Answer and Explanation

The Correct Answer is D

A.   Release of memory T-cells: Memory T-cells are involved in Type IV delayed hypersensitivity, not Type I reactions.
B.   Organ rejection: Organ rejection is associated with Type IV hypersensitivity reactions, not Type I.
C.   Damage to blood vessels: This is more characteristic of Type III hypersensitivity reactions.
D.   Release of histamine: Type I hypersensitivity reactions, such as anaphylaxis and allergic rhinitis, are triggered by the release of histamine from mast cells after IgE-mediated sensitization.

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Correct Answer is D

Explanation

A. Asian men: Asian populations have a lower risk compared to African American and Caucasian women.
B. Native American men: SLE is less common in Native American men than in women of other ethnic groups.
C. Caucasian women: While SLE is more common in women, African American women have a higher risk compared to Caucasian women.
D. African American women: African American women are at the highest risk for developing SLE, with more severe disease manifestations compared to other groups.

A. Standard precautions B. Airborne precautions C. Droplet precautions D. Contact precautions

Correct Answer is A

Explanation

A. Standard precautions: HIV is transmitted through blood and body fluids, so standard precautions are sufficient for routine care.
B. Airborne precautions: HIV is not an airborne disease.
C. Droplet precautions: HIV is not transmitted through respiratory droplets.
D. Contact precautions: HIV is not transmitted through casual contact but through specific bodily fluids.

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The nurse knows that Type 1 Hypersensitivity reactions are caused by which of the following?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assisting in preparing a presentation at a community center about systemic lupus erythematosus (SLE). The nurse should identify which of the following groups as having the highest risk for developing this disorder?

Correct Answer is D

Explanation

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Correct Answer is A

Explanation

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