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 B
Explanation
A. To increase the effectiveness of drugs and hormones in the blood: Tubular secretion helps in removing drugs and hormones, not increasing their effectiveness.
B. To remove excess quantities of substances from the blood: Tubular secretion is responsible for removing excess ions, waste products, and drugs from the blood and excreting them into the urine.
C. To filter out pathogens from the blood: Filtration primarily occurs at the glomerulus, not tubular secretion, and it does not focus on pathogens.
D. To remove 99% of the water from the blood: This is not the purpose of tubular secretion; water reabsorption primarily happens in the nephron’s other parts.
Correct Answer is D
Explanation
A. Epididymis: The epididymis is where sperm mature and are stored. It is not cut during a vasectomy.
B. Tunica albuginea: This is the connective tissue surrounding the testis, not part of the sperm-carrying duct system.
C. Efferent ductules: These ducts transport sperm from the testis to the epididymis, but they are not cut during a vasectomy.
D. Ductus deferens: The ductus deferens (vas deferens) is the tube that carries sperm from the epididymis to the ejaculatory duct. It is cut and sealed during a vasectomy, preventing sperm from reaching the urethra.
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