A patient presents with difficulty breathing and wheezing. Which part of the respiratory system is most likely affected?
Bronchi
Diaphragm
Alveoli
Pharynx
The Correct Answer is A
A. Bronchi: Wheezing and difficulty breathing often result from bronchoconstriction or inflammation in the bronchi. These large airway passages are critical for directing airflow to the lungs, and obstruction here causes audible wheezing.
B. Diaphragm: The diaphragm is the primary muscle for ventilation, but dysfunction would cause general breathing difficulty, not wheezing.
C. Alveoli: Alveoli are responsible for gas exchange; problems here usually cause hypoxia or shortness of breath, but wheezing is less characteristic.
D. Pharynx: The pharynx serves as a passageway for air and food; obstruction here may cause stridor but not the typical wheezing associated with lower airway issues.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. To connect muscle to muscle: Connections between muscles are generally formed by aponeuroses or fascia, not tendons, and this is not their primary role in movement.
B. To connect muscle to bone: Tendons are strong, fibrous connective tissues that attach muscles to bones, allowing the force generated by muscle contraction to move the skeleton efficiently.
C. To store energy for muscle contraction: While elastic components in muscles and tendons can store some energy, the primary function of tendons is structural connection, not energy storage.
D. To protect the muscle during contraction: Tendons provide stability and transmit force, but they do not directly shield muscles from injury during contraction.
Correct Answer is A
Explanation
A. Urinary tract infection (UTI): Painful urination (dysuria) and frequent urges to urinate (urgency) are classic signs of a UTI, caused by bacterial infection of the urinary tract, commonly the bladder.
B. Kidney stones: Kidney stones typically cause severe flank pain, hematuria, and sometimes nausea, but not always urinary frequency or burning.
C. Bladder cancer: Bladder cancer may cause painless hematuria and changes in urination patterns, but dysuria and urgency are less common initial symptoms.
D. Diabetes mellitus: Diabetes can lead to increased urine output and thirst (polyuria and polydipsia), but it does not typically cause painful urination or urgency directly.
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