Biology ยท General Awareness
Human Circulatory System
818 Questions
The human circulatory system explores the network of blood vessels, heart valves, and structural pathways. Test items often target blood flow sequences and specific vascular functions. Mastering these details is vital for biology preparation.
Heart valves and chambersBlood vessels and venulesArteries of the bodyBlood supply to organsCentral nervous system supply
Human Circulatory System Questions
Which type of angiography is commonly used to evaluate blood flow in the kidneys?
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Coronary angiography
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Pulmonary angiography
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Renal angiography
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Cerebral angiography
C
Correct answer
Explanation
Renal angiography is commonly used to evaluate blood flow in the kidneys, as it provides detailed images of the renal arteries and veins.
Which type of angiography is commonly used to evaluate blood flow in the abdomen?
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Coronary angiography
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Pulmonary angiography
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Renal angiography
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Abdominal angiography
D
Correct answer
Explanation
Abdominal angiography is commonly used to evaluate blood flow in the abdomen, as it provides detailed images of the abdominal arteries and veins.
What is the largest artery in the human body?
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Aorta
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Pulmonary artery
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Superior vena cava
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Inferior vena cava
A
Correct answer
Explanation
The aorta is the largest artery in the human body.
Which of the following is NOT a common site for intravenous (IV) insertion?
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Antecubital fossa
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Dorsum of the hand
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Femoral vein
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Jugular vein
D
Correct answer
Explanation
The jugular vein is not a common site for IV insertion due to its proximity to vital structures and the risk of complications.
Which type of IV catheter is most commonly used for short-term infusions?
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Peripheral IV catheter
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Central venous catheter
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Umbilical vein catheter
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Arterial line
A
Correct answer
Explanation
Peripheral IV catheters are small, flexible tubes inserted into a peripheral vein for short-term infusions.
Which type of IV catheter is commonly used for long-term infusions?
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Peripheral IV catheter
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Central venous catheter
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Umbilical vein catheter
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Arterial line
B
Correct answer
Explanation
Central venous catheters are commonly used for long-term infusions, as they allow for the administration of medications and fluids directly into a large vein.
Which blood vessel carries oxygenated blood away from the heart?
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Pulmonary Artery
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Aorta
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Superior Vena Cava
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Inferior Vena Cava
B
Correct answer
Explanation
The aorta is the main artery that carries oxygenated blood away from the heart to the rest of the body.
What is the term for the surgical procedure in which a blocked coronary artery is bypassed with a graft?
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Coronary Artery Bypass Grafting (CABG)
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Percutaneous Coronary Intervention (PCI)
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Heart Transplant
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Pacemaker Implantation
A
Correct answer
Explanation
Coronary artery bypass grafting (CABG) is the surgical procedure in which a blocked coronary artery is bypassed with a graft.