Circulatory System and Blood Clots Quiz

What is the function of the venous system in the circulatory system?

• To carry oxygenated blood to the heart and lungs

• To return deoxygenated blood to the heart and lungs

• To distribute nutrients to the body

• To regulate body temperature

Answer explanation

The function of the venous system is to return deoxygenated blood to the heart and lungs.

What can cause a blood clot or thrombus to form in a vein?

• Excessive exercise

• Consuming too much sugar

• Irregularities in the wall of a vein

• High blood pressure

Answer explanation

A blood clot or thrombus can form in a vein due to irregularities in the vein's wall.

What is the risk associated with a venous thrombus breaking off and traveling through the bloodstream?

• It can result in high blood pressure

• It can cause a pulmonary embolism

• It can lead to a stroke

• It can cause a heart attack

Answer explanation

A venous thrombus breaking off and traveling through the bloodstream can cause a pulmonary embolism, which is a serious risk.

What are the symptoms of a pulmonary embolism?

• Nausea, vomiting, and dizziness

• Fever, chills, and fatigue

• Shortness of breath, lightheadedness, and chest pain

• Joint pain, muscle weakness, and headache

Answer explanation

The symptoms of a pulmonary embolism include shortness of breath, lightheadedness, and chest pain. These symptoms are indicative of a blockage in the pulmonary artery, which can be life-threatening.

What is the recommended action for someone experiencing a pulmonary embolism?

• Rest at home and monitor the symptoms

• Seek prompt medical attention as it is a medical emergency

• Take over-the-counter pain medication

• Ignore the symptoms as they will go away on their own

Answer explanation

The recommended action for someone experiencing a pulmonary embolism is to seek prompt medical attention as it is a medical emergency.