Which time would be ideal for the LPN/LVN to collect a sputum specimen?
At bedtime
In the morning
After meals
After start of antibiotics
The Correct Answer is B
B. Morning is considered the ideal time for collecting a sputum specimen. Overnight, mucus accumulates in the respiratory tract because the patient is less active and not clearing their throat or coughing as much. This means that the mucus is more concentrated and has had time to build up, providing a more substantial and representative sample of what is in the lungs.
A. Collecting a sputum specimen at bedtime is generally not ideal. By the end of the day, the patient’s respiratory tract might have cleared some of the accumulated mucus naturally through coughing or other activities.
C. Collecting a sputum specimen after meals is not recommended. Eating can introduce food particles and bacteria from the mouth into the sputum, contaminating the sample.
D. Starting antibiotics before collecting a sputum specimen can alter the bacterial flora present in the respiratory tract. This can lead to a false-negative result or an inaccurate representation of the pathogens causing the infection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"A"},"D":{"answers":"B"},"E":{"answers":"B"},"F":{"answers":"A"},"G":{"answers":"B"},"H":{"answers":"A"}}
Explanation
Hypoglycemia
Tremor is a common symptom of hypoglycemia, as low blood sugar levels can lead to shaky hands and trembling.
Seizures can occur in severe cases of hypoglycemia when the brain is deprived of glucose, leading to abnormal electrical activity and convulsions.
Sweating, particularly cold and clammy skin, is a common symptom of hypoglycemia as the body responds to low blood sugar levels.
Hunger or sudden feelings of extreme hunger are common symptoms of hypoglycemia as the body seeks additional fuel to raise blood sugar levels.
Hyperglycemia
Lethargy, or extreme fatigue and drowsiness, is more commonly associated with hyperglycemia, as elevated blood sugar levels can affect energy levels and lead to feelings of sluggishness.
Polydipsia is a classic symptom of hyperglycemia, as high blood sugar levels can cause dehydration and trigger the body's thirst response.
Abdominal pain is more commonly associated with hyperglycemia, particularly in conditions like diabetic ketoacidosis (DKA), where abdominal discomfort can be a sign of metabolic disturbances.
Polyuria is a classic symptom of hyperglycemia, as high blood sugar levels can lead to increased urine production as the kidneys work to remove excess glucose from the bloodstream.
Correct Answer is B
Explanation
B. The alveoli are tiny air sacs within the lungs where gas exchange occurs. Oxygen from inhaled air diffuses across the thin walls of the alveoli into the bloodstream, while carbon dioxide moves from the bloodstream into the alveoli to be exhaled.
A. The bronchi are the main airways that branch off from the trachea and lead to the lungs. While the bronchi play a crucial role in conducting air to and from the lungs, gas exchange does not occur in the bronchi themselves.
C. The nasal passages, also known as the nostrils or nares, are the passages through which air enters the respiratory system. While the nasal passages warm, humidify, and filter the air as it enters the body, gas exchange does not occur in this area.
D. The larynx, or voice box, is located at the top of the trachea and is involved in breathing, swallowing, and vocalization. However, gas exchange does not occur in the larynx.
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