These are all veins of the upper limb except
the cephalic vein
the median cubital vein
the basilic vein
the great saphenous vein
median antebrachial vein
The Correct Answer is D
A. The cephalic vein: The cephalic vein is a major superficial vein of the upper limb, running along the lateral aspect of the arm and forearm. It drains into the axillary vein and is commonly used for venipuncture.
B. The median cubital vein: The median cubital vein is a superficial vein located in the cubital fossa of the elbow. It connects the cephalic and basilic veins and is frequently used for blood draws.
C. The basilic vein: The basilic vein is a large superficial vein of the medial arm and forearm. It eventually drains into the axillary vein and is part of the upper limb venous system.
D. The great saphenous vein: The great saphenous vein is a superficial vein of the lower limb, running along the medial aspect of the leg and thigh. It is not part of the upper limb venous system.
E. Median antebrachial vein: The median antebrachial vein runs along the anterior forearm and drains into either the basilic or cephalic veins. It is a vein of the upper limb.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Lymph transport is faster than that occurring in veins:Lymph moves much more slowly than blood in veins. Its movement relies on low-pressure mechanisms rather than a central pump like the heart, so this statement is incorrect.
B. Under normal conditions, lymph vessels are very high-pressure conduits:Lymphatic vessels operate under low pressure. They have thin walls and rely on external forces, valves, and vessel contractions to move lymph, not high internal pressure.
C. Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles:Lymph flow is aided by skeletal muscle contractions, respiratory movements, and rhythmic contractions of smooth muscle in the vessel walls. These mechanisms compress lymphatic vessels, helping push lymph toward the thoracic duct and ultimately the bloodstream.
D. Lymph transport is only necessary when illness causes tissue swelling:Lymph circulation is continuous under normal conditions to maintain fluid balance and immune surveillance. Swelling during illness increases demand, but transport is always required.
Correct Answer is E
Explanation
A. Lymph node:Lymph nodes are secondary lymphoid organs where lymphocytes encounter antigens and mount immune responses. They do not provide the environment for initial lymphocyte development or immunocompetence.
B. Tonsils:Tonsils are secondary lymphoid tissues that trap pathogens entering through the oral and nasal cavities. They function in immune surveillance but do not serve as sites for lymphocyte maturation.
C. Appendix:The appendix contains lymphoid tissue that contributes to immune defense, but it is a secondary lymphoid structure involved in antigen exposure, not lymphocyte development.
D. Spleen:The spleen filters blood and supports immune responses to blood-borne antigens. It is a secondary lymphoid organ and does not generate immunocompetent lymphocytes initially.
E. Thymus:The thymus is a primary lymphoid organ where T lymphocytes mature and acquire immunocompetence. It provides the essential environment for T cell differentiation before they enter circulation and secondary lymphoid tissues.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.