Which of the following describes the effect of air entering the pleural space?
Increases the vital capacity
Increases the residual capacity
Compresses the chest wall, causing the lung on the affected side to collapse
Compresses the lung, causing the lung on the affected side to collapse
The Correct Answer is D
A. Air entering the pleural space (such as in a pneumothorax) does not increase the vital capacity; rather, it reduces lung expansion and can decrease lung volumes.
B. Air in the pleural space does not increase the residual capacity. It may interfere with the normal functioning of the lungs and reduce the effective air exchange.
C. The pleural space is between the lung and the chest wall. When air enters this space (pneumothorax), it causes the lung on the affected side to collapse due to loss of the negative pressure that holds the lung expanded. It does not compress the chest wall.
D. When air enters the pleural space, it causes the lung on the affected side to collapse, as the air disrupts the negative pressure in the pleural cavity that keeps the lungs inflated. This results in a condition known as pneumothorax.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The jejunum is the middle part of the small intestine and is primarily involved in nutrient absorption, but it does not receive bile from the common bile duct.
B. The ileum is the final part of the small intestine, responsible for absorbing bile salts and vitamin B12, but it does not directly receive bile from the common bile duct.
C. The common bile duct empties bile into the duodenum, which is the first part of the small intestine. This allows bile to aid in the digestion and emulsification of fats.
D. The stomach is involved in the digestion of food but does not receive bile directly. Bile enters the small intestine, not the stomach
Correct Answer is B
Explanation
A. The parathyroid glands regulate calcium and phosphate levels in the blood through the release of parathyroid hormone (PTH), not testosterone.
B. The anterior pituitary gland regulates the release of testosterone through the secretion of luteinizing hormone (LH), which stimulates the testes to produce testosterone. This is the correct gland involved in testosterone regulation.
C. The posterior pituitary releases hormones like oxytocin and antidiuretic hormone (ADH), but it does not regulate testosterone production.
D. The thyroid gland is responsible for regulating metabolism through thyroid hormones (T3 and T4), not testosterone.
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