Kuis Sistem Kardiovaskular kelas 2C

What is the main function of the heart?

• Digestion

• Pumping blood

• Filtering toxins

• Producing hormones

Which chamber of the heart pumps oxygenated blood to the entire body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the function of the sinoatrial (SA) node?

• Produces white blood cells

• Regulates heart rate

• Filters blood

• Produces enzymes

Which blood vessel carries blood away from the heart?

• Artery

• Vein

• Capillary

• Venule

What is the term for high blood pressure?

• Hypertension

• Hypotension

• Tachycardia

• Bradycardia

What causes atherosclerosis?

• Bacterial infection

• Build-up of plaque in the arteries

• Dehydration

• Excess oxygen

What condition occurs when the blood supply to the heart is obstructed?

• Stroke

• Heart attack

• Arrhythmia

• Hypertension

The function of red blood cells is:

• To transport oxygen

• To produce antibodies

• To destroy bacteria

• To regulate blood sugar levels

What is the role of platelets in the blood?

• Transport oxygen

• Fight infections

• Assist in clotting

• Remove waste

What is the normal resting heart rate for a healthy adult?

• 30-50 beats per minute

• 60-100 beats per minute

• 110-130 beats per minute

• 140-160 beats per minute