Which statement about nonspecific (innate immunity) is true?.
It is an acquired immunity.
It retains a memory of a pathogen after defeating it.
It offers protection against a particular pathogen.
It is present at birth.
The Correct Answer is D
Choice A rationale:
Innate immunity is not an acquired immunity. Acquired immunity refers to immunity that develops after exposure to a specific pathogen.
Choice B rationale:
Innate immunity does not retain a memory of a pathogen after defeating it. This is a characteristic of adaptive immunity.
Choice C rationale:
Innate immunity does not offer protection against a particular pathogen. It provides a general defense against a wide range of invaders.
Choice D rationale:
Innate immunity is present at birth. It provides a fast response that involves first- and second-line defenses.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Abdominal thrusts, also known as the Heimlich maneuver, are a first-aid technique used to treat conscious choking victims in which the rescuer delivers thrusts to a patient’s upper abdominal region. This motion pushes air from the lungs up through the throat to dislodge foreign objects and treat upper airway obstructions.
Choice B rationale:
Chest thrusts can also be used if needed. However, they are not the primary method for dislodging a foreign object in someone that is choking.
Choice C rationale:
Chest pumps are not a recognized method for dislodging a foreign object in someone that is choking.
Choice D rationale:
Bowel thrusts are not a recognized method for dislodging a foreign object in someone that is choking.
So, the correct answer is Choice A.
Correct Answer is B
Explanation
Choice A rationale:
The arachnoid is not the innermost layer, it is in the middle. -
Choice B rationale:
The correct order of the meninges from inside to outside is Pia mater, arachnoid, and dura mater. -
Choice C rationale:
The dura mater is not the innermost layer, it is the outermost layer. -
Choice D rationale:
Gray matter is not a layer of the meninges.
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