What is the name of the outer layer of the lungs that connects to the thoracic wall?
Parietal pleura
Diaphragm
Pleural cavity
Visceral pleura
The Correct Answer is A
A. Parietal pleura: The parietal pleura is the outer layer of the pleura that lines the thoracic cavity and is connected to the thoracic wall.
B. Diaphragm: The diaphragm is the main muscle involved in respiration, but it is not part of the lung's outer layer.
C. Pleural cavity: The pleural cavity is the space between the parietal and visceral pleura, filled with pleural fluid to reduce friction.
D. Visceral pleura: The visceral pleura is the inner layer that covers the lungs but does not connect to the thoracic wall.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Marrow: The hollow spaces within long bones contain bone marrow, which is responsible for the production of blood cells.
B. Natural killer cells: Natural killer cells are a type of lymphocyte found in the bloodstream and tissues but not directly within the hollow spaces of bones.
C. Enzymes: Enzymes are not found specifically in the hollow spaces of long bones; they are present throughout the body and are involved in metabolic processes.
D. Plasma cells: Plasma cells are derived from B cells and are primarily located in lymphatic tissue and bone marrow but do not fill the hollow spaces of long bones.
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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