Which statement accurately describes the bronchial tree?
There are two secondary bronchi in the sight lung and three in the loft lung.
The right primary bronchus is more vertical and wider than the left.
The carina is only present in the left primary branches.
Inhaled air does not enter the terminal bronchioles.
The Correct Answer is B
A. There are two secondary bronchi in the right lung and three in the left lung: There are three secondary bronchi in the right lung and two in the left lung due to the number of lobes in each lung.
B. The right primary bronchus is more vertical and wider than the left: The right bronchus is more vertical and wider, making foreign objects more likely to enter the right lung.
C. The carina is only present in the left primary branches: The carina is located at the bifurcation of the trachea into the right and left bronchi, not just in the left.
D. Inhaled air does not enter the terminal bronchioles: Inhaled air flows all the way through the bronchial tree, including the terminal bronchioles.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Glomerulus: The glomerulus is a high-pressure capillary bed in the nephron where filtration of blood occurs.
B. Bowman's capsule: This is the cup-shaped structure surrounding the glomerulus, not a capillary bed.
C. Vasa recta: These are capillaries surrounding the loop of Henle, involved in the reabsorption process, not filtration.
D. Macula densa: This is a group of specialized cells in the distal convoluted tubule that sense sodium concentration and affect glomerular filtration rate, but it is not a capillary bed.
Correct Answer is D
Explanation
A. Lipids and proteins: While bile is involved in fat digestion, it does not emulsify proteins.
B. Proteins: Bile does not emulsify proteins. Proteins are broken down by enzymes like pepsin.
C. Carbohydrates and proteins: Bile has no role in the digestion of carbohydrates or proteins.
D. Lipids: Bile emulsifies lipids, breaking them into smaller droplets to facilitate enzymatic digestion by lipases.
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