Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
Which of the following is a function of the nasopharynx?.
A. Warm and moisten inspired air.
While the nasopharynx does play a role in warming and moistening inspired air, this is not its primary function.
B. Filter dust.
The nasopharynx does not primarily filter dust. This function is mainly performed by the nasal cavity and the hairs within the nostrils.
C. Provide openings for the right and left Eustachian tubes.
The nasopharynx provides openings for the right and left Eustachian tubes. These tubes connect the middle ear to the nasopharynx and help equalize air pressure on either side of the eardrum.
D. Contain olfactory receptors responsible for the sense of smell.
The nasopharynx does not contain olfactory receptors responsible for the sense of smell. These receptors are located in the nasal cavity.
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Full Explanation
Choice A rationale:
While the nasopharynx does play a role in warming and moistening inspired air, this is not its primary function.
Choice B rationale:
The nasopharynx does not primarily filter dust. This function is mainly performed by the nasal cavity and the hairs within the nostrils.
Choice C rationale:
The nasopharynx provides openings for the right and left Eustachian tubes. These tubes connect the middle ear to the nasopharynx and help equalize air pressure on either side of the eardrum.
Choice D rationale:
The nasopharynx does not contain olfactory receptors responsible for the sense of smell. These receptors are located in the nasal cavity.
Similar Questions
Lymphatic tissue at the back of the throat is called:.
A. Peyer's patches.
hoice A rationale: Peyer’s patches are lymphoid nodules located in the small intestine, not at the back of the throat.
B. Lymph.
Lymph is a fluid that contains white blood cells and circulates throughout the lymphatic system, not a tissue located at the back of the throat.
C. Tonsils.
Tonsils are lymphoid tissues located at the back of the throat. They help protect the body from respiratory infections.
D. Appendix.
The appendix is not located at the back of the throat. It is a narrow pouch that projects off the cecum in the digestive system.
Full Explanation
hoice A rationale:
Peyer’s patches are lymphoid nodules located in the small intestine, not at the back of the throat.
Choice B rationale:
Lymph is a fluid that contains white blood cells and circulates throughout the lymphatic system, not a tissue located at the back of the throat.
Choice C rationale:
Tonsils are lymphoid tissues located at the back of the throat. They help protect the body from respiratory infections.
Choice D rationale:
The appendix is not located at the back of the throat. It is a narrow pouch that projects off the cecum in the digestive system.
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.
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.
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.