The HIV virus invades:.
Helper T cells (CD4 cells) eventually destroying them.
D cells.
B cells.
Helper C cells.
The Correct Answer is A
Choice A rationale:
HIV invades various immune cells, most notably CD4+ T cells, eventually destroying them.
Choice B rationale:
D cells are not a recognized category of immune cells, and HIV does not specifically invade them.
Choice C rationale:
While B cells are part of the immune system, HIV primarily targets CD4+ T cells, not B cells.
Choice D rationale:
Helper C cells are not a recognized category of immune cells, and HIV does not specifically invade them.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
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.
Correct Answer is D
Explanation
Choice A rationale:
Sinusoids are a type of capillary found in some organs, such as the liver, bone marrow, and spleen. They are not vessels that carry blood away from the heart.
Choice B rationale:
Veins are blood vessels that carry blood from the body back into the heart.
Choice C rationale:
Capillaries are delicate blood vessels that deliver blood, nutrients and oxygen to cells throughout the body. They do not carry blood away from the heart.
Choice D rationale:
Arteries are blood vessels that carry oxygenated blood away from the heart to the body.
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