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Cardiovascular and Hematologic Health Quiz

#1

Which of the following is a risk factor for cardiovascular disease?

High blood pressure
Explanation

Elevated pressure in arteries strains the heart and increases the risk of heart disease.

#2

What is the average resting heart rate for adults?

60-80 beats per minute
Explanation

Normal range reflecting cardiovascular health and fitness.

#3

What is the main function of the cardiovascular system?

To transport nutrients and oxygen
Explanation

Ensuring delivery of essential substances throughout the body.

#4

Which vitamin is essential for the synthesis of clotting factors?

Vitamin K
Explanation

Critical for the production of proteins necessary for blood clotting.

#5

What is the name of the protein responsible for carrying oxygen in red blood cells?

Hemoglobin
Explanation

Binds to oxygen in the lungs and releases it in tissues.

#6

Which of the following is NOT a modifiable risk factor for cardiovascular disease?

Age
Explanation

Unlike lifestyle factors, age is a natural, uncontrollable risk factor.

#7

Which blood cells are responsible for oxygen transport?

Red blood cells
Explanation

Hemoglobin in red blood cells carries oxygen to tissues.

#8

What is the medical term for high blood pressure?

Hypertension
Explanation

Chronic condition where blood pressure in arteries is consistently elevated.

#9

What is the medical term for a blood clot?

Thrombus
Explanation

Coagulated blood mass that can block blood flow.

#10

Which of the following conditions is characterized by irregular heartbeats?

Arrhythmia
Explanation

Abnormal heart rhythm affecting heart's ability to pump effectively.

#11

What is the medical term for a low red blood cell count?

Anemia
Explanation

Results in reduced oxygen transport capacity and various health issues.

#12

Which of the following is a common symptom of deep vein thrombosis?

Swelling and pain in the leg
Explanation

Clot in a deep vein leads to leg swelling and pain.

#13

Which of the following is NOT a symptom of anemia?

Frequent nosebleeds
Explanation

Anemia causes fatigue, weakness, and pale skin, but not nosebleeds.

#14

Which blood type is considered the universal donor?

Type O
Explanation

Compatible with all blood types, making it universally accepted for transfusions.

#15

What is the primary function of platelets in the blood?

To form blood clots
Explanation

Small cell fragments crucial for blood clotting and wound healing.

#16

What is the condition characterized by an abnormal increase in white blood cells?

Leukemia
Explanation

Cancer of blood-forming tissues, leading to excessive white blood cells.

#17

Which of the following is a component of the lymphatic system?

Spleen
Explanation

Filters blood and stores white blood cells, aiding immune function.

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