Which of the following is second line of defense?
Skin
Phagocytosis
Coughing
Sneezing
The Correct Answer is B
A. Skin:
The skin is part of the first line of defense, acting as a physical barrier.
B. Phagocytosis:
Phagocytosis, carried out by white blood cells like macrophages and neutrophils, is a component of the second line of defense, which includes non-specific internal immune responses.
C. Coughing:
Coughing is part of the first line of defense-mechanical clearance.
D. Sneezing:
Like coughing, sneezing is a mechanical defense included in the first line.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Anaphylaxis (hypersensitivity reaction)
Anaphylaxis is a life-threatening allergic reaction involving airway constriction, drop in blood pressure, and widespread inflammation.
B. Immunosuppression
Immunosuppression is a reduced immune response, not a hypersensitivity reaction.
C. Immunocompetence
This is the normal functioning of the immune system, not a reaction.
D. Autoimmunity
Autoimmunity is when the body attacks its own tissues, not an allergic reaction.
Correct Answer is B
Explanation
A. Skin:
The skin is part of the first line of defense, acting as a physical barrier.
B. Phagocytosis:
Phagocytosis, carried out by white blood cells like macrophages and neutrophils, is a component of the second line of defense, which includes non-specific internal immune responses.
C. Coughing:
Coughing is part of the first line of defense-mechanical clearance.
D. Sneezing:
Like coughing, sneezing is a mechanical defense included in the first line.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.