Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
Which statement about nonspecific (innate immunity) is true?.
A. It is an acquired immunity.
Innate immunity is not an acquired immunity. Acquired immunity refers to immunity that develops after exposure to a specific pathogen.
B. It retains a memory of a pathogen after defeating it.
Innate immunity does not retain a memory of a pathogen after defeating it. This is a characteristic of adaptive immunity.
C. It offers protection against a particular pathogen.
Innate immunity does not offer protection against a particular pathogen. It provides a general defense against a wide range of invaders.
D. It is present at birth.
Innate immunity is present at birth. It provides a fast response that involves first- and second-line defenses.
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Full Explanation
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.
Similar Questions
Which structure is responsible for directing food and liquids into the esophagus during swallowing?.
A. Glottis.
The glottis is the space between the vocal cords and does not direct food and liquids into the esophagus during swallowing.
B. Adam's apple.
The Adam’s apple, also known as the thyroid cartilage, is a structure in the neck and does not direct food and liquids into the esophagus during swallowing.
C. Conchae.
The conchae are structures in the nasal cavity and do not direct food and liquids into the esophagus during swallowing.
D. Epiglottis.
The epiglottis is responsible for directing food and liquids into the esophagus during swallowing. It acts as a lid over the windpipe, preventing food from entering the lungs.
E. .
Full Explanation
Choice A rationale:
The glottis is the space between the vocal cords and does not direct food and liquids into the esophagus during swallowing.
Choice B rationale:
The Adam’s apple, also known as the thyroid cartilage, is a structure in the neck and does not direct food and liquids into the esophagus during swallowing.
Choice C rationale:
The conchae are structures in the nasal cavity and do not direct food and liquids into the esophagus during swallowing.
Choice D rationale:
The epiglottis is responsible for directing food and liquids into the esophagus during swallowing. It acts as a lid over the windpipe, preventing food from entering the lungs.
Veins are called capacitance vessels because:.
A. They convey blood back to the heart.
While veins do convey blood back to the heart, this is not the reason they are called capacitance vessels.
B. They can stretch.
Veins are referred to as capacitance vessels because they can stretch and contain about 60% of the body’s blood volume.
C. They contain one-way valves.
Although veins contain one-way valves, this characteristic does not define them as capacitance vessels.
D. They can constrict extensively.
Veins can constrict, but this is not the primary reason they are known as capacitance vessels.
Full Explanation
Choice A rationale:
While veins do convey blood back to the heart, this is not the reason they are called capacitance vessels.
Choice B rationale:
Veins are referred to as capacitance vessels because they can stretch and contain about 60% of the body’s blood volume.
Choice C rationale:
Although veins contain one-way valves, this characteristic does not define them as capacitance vessels.
Choice D rationale:
Veins can constrict, but this is not the primary reason they are known as capacitance vessels.
Arteriosclerosis is:.
A. Build up of plaque in the arteries.
The build-up of plaque in the arteries is a specific type of arteriosclerosis known as atherosclerosis.
B. Aging of the arteries.
Aging of the arteries is not a precise definition of arteriosclerosis.
C. Abnormal thickening, hardening and loss of elasticity of the arteries.
Arteriosclerosis is characterized by the abnormal thickening, hardening, and loss of elasticity of the arteries.
D. Stretching of the arteries.
Stretching of the arteries is not a characteristic of arteriosclerosis.
Full Explanation
Choice A rationale:
The build-up of plaque in the arteries is a specific type of arteriosclerosis known as atherosclerosis.
Choice B rationale:
Aging of the arteries is not a precise definition of arteriosclerosis.
Choice C rationale:
Arteriosclerosis is characterized by the abnormal thickening, hardening, and loss of elasticity of the arteries.
Choice D rationale:
Stretching of the arteries is not a characteristic of arteriosclerosis.