Which reflex is designed to keep foreign objects out of the respiratory system?
Cough reflex
Babinski reflex
Withdraw reflex
Baroreceptor reflex
The Correct Answer is A
A. Cough reflex- this reflex expels irritants or foreign particles from the airway.
B. Babinski reflex- neurological reflex involving foot dorsiflexion.
C. Withdraw reflex- somatic reflex for pain, not respiratory.
D. Baroreceptor reflex- involved in blood pressure regulation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Breathing muscles: diaphragm, intercostals- these are the primary muscles responsible for ventilation.
B. Respiratory gases: oxygen and carbon dioxide- these are the main gases exchanged during respiration.
C. Structures of the upper respiratory tract: nose, pharynx, larynx- these are part of the upper respiratory tract.
D. Structures of the bronchial tree: trachea, bronchi, bronchioles, alveoli- the trachea is part of the conducting zone but not part of the bronchial tree. The alveoli are part of the respiratory zone, not the bronchial tree.
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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