A nurse is caring for a client who has a respiratory illness that has resulted in chronic hypoxia. Which of these conditions can develop as a result of long-term hypoxia?
Cardiac enlargement
Exophthalmos
Gastric ulcerations
Urinary tract infections
The Correct Answer is A
A. Cardiac enlargement: Chronic hypoxia leads to increased workload on the heart as it works harder to deliver oxygen to tissues. This can result in cardiac enlargement or right-sided heart failure due to pulmonary hypertension, a common consequence of long-term hypoxia.
B. Exophthalmos: Exophthalmos is protrusion of the eyes and is typically associated with thyroid disorders, such as Graves' disease, rather than chronic hypoxia.
C. Gastric ulcerations: While stress and certain medications can lead to gastric ulcerations, they are not directly caused by chronic hypoxia. Chronic hypoxia mainly affects the cardiovascular and pulmonary systems.
D. Urinary tract infections: Chronic hypoxia does not typically lead to urinary tract infections. UTIs are more commonly associated with factors such as poor hygiene, urinary obstruction, or immunosuppression.
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Related Questions
Correct Answer is D
Explanation
A. Oral antibiotics: Antibiotics are not indicated for allergic rhinitis, as it is an allergic condition rather than an infection.
B. Oral decongestants: While decongestants can provide temporary relief from nasal congestion, they can also cause rebound congestion if used for prolonged periods.
C. Nasal saline irrigation: Nasal saline irrigation can help to clear out mucus and allergens but is not a primary treatment for allergic rhinitis.
D. Intranasal corticosteroids: Intranasal corticosteroids are the most effective treatment for allergic rhinitis, as they reduce inflammation in the nasal passages and help to alleviate symptoms.
Correct Answer is D
Explanation
A. Hyperventilation: Hyperventilation is more commonly associated with respiratory alkalosis or anxiety rather than hypokalemia. Hypokalemia does not typically cause hyperventilation.
B. Bradypnea: Bradypnea (slow breathing) is not a common finding in hypokalemia. Hypokalemia can affect muscle function, including respiratory muscles, but bradypnea is not a characteristic sign.
C. Syncope: While syncope (fainting) can occur due to various conditions, it is not a specific or common finding directly associated with hypokalemia. Hypokalemia mainly affects the heart and muscles.
D. U waves on electrocardiogram: U waves are a classic electrocardiogram (ECG) finding associated with hypokalemia. These waves appear after the T wave and are indicative of the electrolyte imbalance affecting cardiac repolarization.
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