Using the providing diagram, identify the structure labeled as #1.
Superior/upper right lobe
Inferior/lower right lobe
Superior/upper left lobe
Middle right lobe
The Correct Answer is A
A. Superior/upper right lobe: Label #1 is at the top part of the right lung.
B. Inferior/lower right lobe: The left lung is on the viewer’s right. The lower lobe of the left lung is positioned inferiorly (near the diaphragm) and would be closer to label #8.
C. Superior/upper left lobe: The left lung has only two lobes: superior and inferior. The superior lobe of the left lung would be in the corresponding location to label #6.
D. Middle right lobe: The middle lobe is only present in the right lung and lies below the superior lobe but above the inferior lobe.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Trachea
The trachea, commonly known as the windpipe, connects the larynx to the bronchi and allows air passage to the lungs.
B. Pharynx
-upper respiratory tract structure, far from alveoli.
C. Larynx
-upper airway structure above the trachea.
D. Alveoli
-terminal structures where gas exchange occurs.
Correct Answer is D
Explanation
A. Grapelike sacs located very close to pulmonary capillaries: This correctly describes the structure of alveoli.
B. Located within the lungs: Alveoli are indeed located in the lungs.
C. Primarily concerned with gas exchange: Alveoli are the main site of gas exchange in the lungs.
D. Contain smooth muscle: Alveoli do not contain smooth muscle; this is a feature of bronchi and bronchioles.
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