Name the two collecting ducts that drain the lymphatic trunks.
Bronchomediastinal duct and subclavian duct
Right and left thoracic ducts
Thoracic duct and right lymphatic duct
Lumbar duct and left lymphatic duct
The Correct Answer is C
A. Bronchomediastinal duct and subclavian duct: bronchomediastinal and subclavian are lymphatic trunks, not the two major collecting ducts.
B. Right and left thoracic ducts: there is a single thoracic duct (left-sided) and a separate right lymphatic duct; we do not have distinct “right and left thoracic ducts.”
C. Thoracic duct and right lymphatic duct: the thoracic duct drains most of the body into the left subclavian vein, and the right lymphatic duct drains the right head/neck, right upper limb, and right thorax into the right subclavian vein.
D. Lumbar duct and left lymphatic duct: “lumbar duct” is not a collecting duct term used in this context, and “left lymphatic duct” is another name sometimes used for the thoracic duct but paired with “lumbar duct” is not the standard two-collector pair.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. pleural: the pleura lines the thoracic cavity and lungs, not the greater omentum.
B. pericardial: the pericardium surrounds the heart, not the abdominal organs.
C. hiatal: “hiatal” refers to the esophageal hiatus (an opening) and is not the membrane composing the omentum.
D. peritoneal: the greater omentum is a large fold of peritoneum (a double-layered peritoneal membrane) that hangs from the stomach.
Correct Answer is C
Explanation
A. An increase in parasympathetic stimulation: Parasympathetic activity lowers heart rate and typically reduces BP, so this would not increase BP.
B. A decrease in peripheral resistance: Lower peripheral resistance reduces BP (BP = CO × PR), so this would decrease BP.
C. An increase in heart rate: Raises cardiac output (if stroke volume is similar), which tends to increase blood pressure.
D. A decrease in stroke volume: Lowers cardiac output and therefore tends to decrease BP.
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