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Canadian Nursing Practice Test Features

Everything you need to pass your certification exam!


Our free Canadian Registered Nurse Examination Practice Test was created by experienced educators who designed them to align with the official Canadian Nursing content guidelines. They were built to accurately mirror the real exam's structure, coverage of topics, difficulty, and types of questions.

Upon completing your free practice test, it will be instantly reviewed to give you an idea of your score and potential performance on the actual test. Carefully study your feedback to each question to assess whether your responses were correct or incorrect. This is an effective way to highlight your strengths and weaknesses across different content areas, guiding you on where to concentrate your study efforts for improvement on future tests. Our detailed explanations will provide the information you need to enhance your understanding of the exam content and help you build your knowledge base leading you to better test results.

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Canadian Registered Nurse Examination Sample Test

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The umbilical vein carries what type of blood/blood cells?





Correct Answer:
oxygenated blood
the correct answer to the question of what type of blood the umbilical vein carries is "oxygenated blood."

the umbilical vein is a crucial component of the fetal circulatory system, which connects a developing fetus to the placenta in the mother's womb. unlike many other veins in the human body, which typically carry deoxygenated blood back to the heart, the umbilical vein carries oxygenated blood from the placenta to the fetus. this is essential because the fetus, enclosed in the womb, cannot breathe air and thus relies on the oxygen received through this blood for survival and development.

the blood carried by the umbilical vein is rich in oxygen and nutrients. it has been oxygenated through the placental exchange, where the mother's deoxygenated blood releases carbon dioxide and receives oxygen from the maternal blood supply. this process happens across a semi-permeable membrane in the placenta that allows for the exchange of oxygen, carbon dioxide, nutrients, and waste products between the maternal and fetal bloodstreams without the two blood supplies mixing directly.

furthermore, the oxygenated blood in the umbilical vein also contains all types of blood cells, including red blood cells, white blood cells, and platelets. red blood cells are crucial as they carry oxygen bound to hemoglobin, which is vital for cellular metabolism and energy production in the fetal tissues. white blood cells play a role in immune defense, protecting the fetus from potential infections, while platelets are important for blood clotting, preventing bleeding.

in conclusion, the umbilical vein is vital for transporting not only oxygenated blood but also all types of blood cells, which support various physiological and protective functions required for the healthy development of the fetus. this setup ensures that the fetus receives all the necessary components for growth and development until birth.


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