Biology ยท General Awareness

Human Circulatory System

846 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

Multiple choice

Which of the following is NOT a common site for intravenous (IV) insertion?

  1. Antecubital fossa

  2. Dorsum of the hand

  3. Femoral vein

  4. Jugular vein
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which type of IV catheter is most commonly used for short-term infusions?

  1. Peripheral IV catheter

  2. Central venous catheter

  3. Umbilical vein catheter

  4. Arterial line
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Peripheral IV catheters are small, flexible tubes inserted into a peripheral vein for short-term infusions.

Multiple choice

Which type of IV catheter is commonly used for long-term infusions?

  1. Peripheral IV catheter

  2. Central venous catheter

  3. Umbilical vein catheter

  4. Arterial line
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which blood vessel carries oxygenated blood away from the heart?

  1. Pulmonary Artery

  2. Aorta

  3. Superior Vena Cava

  4. Inferior Vena Cava
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The aorta is the main artery that carries oxygenated blood away from the heart to the rest of the body.

Multiple choice

What is the term for the surgical procedure in which a blocked coronary artery is bypassed with a graft?

  1. Coronary Artery Bypass Grafting (CABG)

  2. Percutaneous Coronary Intervention (PCI)

  3. Heart Transplant

  4. Pacemaker Implantation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Coronary artery bypass grafting (CABG) is the surgical procedure in which a blocked coronary artery is bypassed with a graft.

Multiple choice

Which of the following organs can be donated by a living donor in India?

  1. Kidney

  2. Liver

  3. Heart

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Under the Transplantation of Human Organs and Tissues Act, 2014, living donors can donate kidneys, liver, and heart, among other organs.