Mike, a 27-year-old, reports difficulty in breathing and a "tight chest after being exposed to a strong odor. No wheezing is heard upon auscultation. Which mechanism is primarily responsible for Mike's symptoms?

Reflex bronchoconstriction

Mucociliary clearance system

Alveolar macrophages

Chemoreceptors respond to changes in PaCO2 and Ph

Answer and Explanation

The Correct Answer is A

A.   Exposure to strong odors can trigger reflex bronchoconstriction, leading to symptoms like difficulty breathing and chest tightness, especially in individuals with hypersensitive airways.
B.   While the mucociliary clearance system plays a role in removing inhaled particles and irritants from the airways, it is not primarily responsible for acute symptoms like difficulty breathing.
C.   Alveolar macrophages are involved in phagocytosis and defense against inhaled particles and pathogens but are not directly involved in causing acute respiratory symptoms like bronchoconstriction.
D.   Chemoreceptors primarily regulate respiratory drive in response to changes in blood gases and pH but are not directly responsible for bronchoconstriction in response to odor exposure.

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Correct Answer is B

Explanation

A. While pain management and assessing for skin injuries are important, prioritizing assessments related to bleeding risk due to anticoagulant therapy is crucial.
B. These assessments help evaluate Sarah's coagulation status and bleeding risk, given her anticoagulant therapy and recent injury.

C. While these interventions may help manage swelling and pain, they do not directly address Sarah's increased bleeding risk.
D. Heat application may increase bleeding risk, and acetaminophen alone may not address potential bleeding complications.

A. Tonsillitis B. Allergic Rhinitis C. Eustachian Tube Dysfunction D. Labyrinthitis E. Labyrinthitis

Correct Answer is C

Explanation

A. Tonsillitis presents with sore throat, difficulty swallowing, and inflamed tonsils, but it is not typically associated with ear pain, tenderness behind the ear, or a history of recurrent ear infections.
B. Allergic rhinitis typically presents with nasal congestion, sneezing, and itchy, watery eyes, but it does not cause chronic ear pain or tenderness behind the ear.
C. Chronic ear pain, tenderness behind the ear, and a history of recurrent ear infections suggest dysfunction of the Eustachian tube, which can lead to fluid accumulation and pressure changes in the middle ear.
D. Labyrinthitis presents with vertigo, nausea, and hearing loss, which are not mentioned in Susan's symptoms.

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Mike, a 27-year-old, reports difficulty in breathing and a "tight chest after being exposed to a strong odor. No wheezing is heard upon auscultation. Which mechanism is primarily responsible for Mike's symptoms?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Sarah, a 68-year-old female who is on anticoagulant therapy for atrial fibrillation, presents with a contusion on her forearm after a fall. Which two combined assessments should the nurse prioritize in Sarah's care?

Correct Answer is B

Explanation

Correct Answer is C

Explanation

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