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It's Your Blood Trivia Quiz

A previous quiz was 'It's Your Heart'. The heart is the pump that forces BLOOD throughout the body. Thus, this is a quiz about human blood.Probably a little tough but explanations may be interesting.

A multiple-choice quiz by YOMD39. Estimated time: 5 mins.

Author
YOMD39

Time
5 mins

Type
Multiple Choice

Quiz #
10,970

Updated
Dec 03 21

# Qns
10

Difficulty
Tough

Avg Score
6 / 10

Plays
4968

One at a Time - Single Page - Timed Game

Question 1 of 10

1. In the human adult, with a reasonably normal height and weight, what is the total blood volume in the body? Hint

6.1 liters or about 6.4 quarts

4.4 liters or about 4.6 quarts

3.3 liters or about 3.5 quarts

5.0 liters or about 5.3 quarts

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Question 2 of 10

2. If venous blood is drawn, transferred to a test tube and allowed to clot, it separates into two major components - the clotted blood at the bottom and a liquid at the top. What is the name for this liquid portion of human blood? Hint

Plasma

Serum

Lymph

Water

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Question 3 of 10

3. Blood groups involve four different types; namely, 'A', 'B', 'AB', and 'O'. Each of these four types is further classified as being Rh positive ( + ) or Rh negative ( - ). What is the most common blood type in the general U.S. population? Hint

A positive

O positive

AB negative

B negative

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Question 4 of 10

4. There are five (5) distinctly different types of white blood cells; two of which are the lymphocyte and the monocyte. Which of these is NOT one of the other three types of white blood cells? Hint

Basophil

Platelet

Neutrophil

Eosinophil

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Question 5 of 10

5. One cubic milliliter (cu. ml.)of blood is a microscopically small amount, being only a small fraction of a drop. How many red blood cells (erythrocytes) per cu. ml. are there in an adult male living at an altitude under 7,000 feet? Hint

About 4 to 5 million

About 5 to 6 million

About 6 to 7 million

About 3 to 4 million

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Question 6 of 10

6. The red blood cells (erythrocytes) are made in the bone marrow and after being released into the circulation have a rather limited life cycle. What is the average life of the human erythrocyte? Hint

90 days

180 days

60 days

120 days

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Question 7 of 10

7. What is the major effect on the human blood of prolonged living in an area above an altitude of 7,000 feet? Hint

Increased size of the erythrocytes

Increase in oxygen saturation of hemoglobin

Increase in total blood volume

Increased number of erythrocytes

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Question 8 of 10

8. Another important cell within the human blood is the platelet. What is the important beneficial function of the platelets? Hint

Carries glucose to the tissues.

Blocks the bleeding artery.

Forms a platelet plug at a wound.

Carries antibodies against infections.

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Question 9 of 10

9. Which of the following vascular systems does not circulate whole blood to different parts of the human body? Hint

Venules

Lymphatics

Arterioles

Capillaries

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Question 10 of 10

10. In the arterial blood the plasma carries nutrients such as glucose, amino acids, vitamins, minerals and hormones to the tissues of the body. The plasma also picks up waste products. What is the most important waste product carried in the human plasma? Hint

Glycogen

Dead bacteria

Iron

Urea

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Quiz Answer Key and Fun Facts

1. In the human adult, with a reasonably normal height and weight, what is the total blood volume in the body?

Answer: 5.0 liters or about 5.3 quarts

The metric system is normally used for scientific measurements and by that system the total blood volume in the human adult is about 5 liters. This about 5.3 quarts.

Answer: Serum

The clotted blood includes the platelets, nutrients, minerals and other blood cells. The liquid in clotted blood is the serum. When blood is prevented from clotting and allowed to settle or spun in a centrifuge, it also separates into two components. The straw-colored liquid portion of unclotted blood is the plasma, which constitutes about 55 percent of whole blood.

3. Blood groups involve four different {types;} namely, 'A', 'B', 'AB', and 'O'. Each of these four types is further classified as being Rh positive ( + ) or Rh negative ( - ). What is the most common blood type in the general U.S. population?

Answer: O positive

Thirty-seven (37) percent of the population are 'O positive'. Thirty-four (34) percent are 'A positive' and ten (10) percent are 'B positive'. Each of the other four blood types involves six percent or less of the remaining population.

4. There are five (5) distinctly different types of white blood cells; two of which are the lymphocyte and the monocyte. Which of these is NOT one of the other three types of white blood cells?

Answer: Platelet

Neutrophils actually fight bacteria and their numbers are seriously decreased in patients receiving cancer chemotherapy. The basophils constitute only one percent of the white blood cells and their function is not well known. The eosinophils increase in persons with significant allergies.

Answer: About 5 to 6 million

The number is slightly lower in females. The erythrocytes contain a protein called hemoglobin which carries oxygen to the tissues and returns to the heart and lungs with carbon dioxide and other gases.

Answer: 120 days

The human body constantly makes new red blood cells and if one donates a pint of blood, the amount is replaced very rapidly. However, the chemical process for creating the hemoglobin molecule requires an adequate supply of iron, folic acid and other vitamins.

7. What is the major effect on the human blood of prolonged living in an area above an altitude of 7,000 feet?

Answer: Increased number of erythrocytes

Pilots, mountain climbers and vacationers to the mountains may develop an 'acute high altitude sickness' from anoxia of the hypoxic type. This is due to the decreased oxygen concentration in the atmosphere and the O2 pressure is too low to completely saturate the hemoglobin.

However, for those born at high altitudes or who have adjusted to the high altitude, the body compensates by increasing the number of erythrocyes. Inhabitants of the Andes mountains may have red blood counts of 10 million or more per cu. ml.

8. Another important cell within the human blood is the platelet. What is the important beneficial function of the platelets?

Answer: Forms a platelet plug at a wound.

The platelets are colorless, vary in shape and have a sticky exterior membrane. When there is bleeding from a wound, the platelets accumulate at the site of the injury and by reacting with calcium, vitamin K and fibrinogen forms a plug to stop the bleeding and this becomes a scab. Platelet accumulation on the walls of the coronary arteries is an undesirable action. Aspirin is taken to decrease platelet accumulation on a plaque in the coronary artery.

9. Which of the following vascular systems does not circulate whole blood to different parts of the human body?

Answer: Lymphatics

As blood passes through the capillaries the pressure forces some of the liquid plasma through the membranes and into the lymphatic system. The lymph drains into a network of lymph nodes containing lymphocytes and macrophages, which remove waste material and foreign bodies from the fluid. An excess accumulation of lymph in the legs results in lymphedema.

Answer: Urea

A by-product from the metabolism of proteins is urea. This is picked up by the blood and carried in the plasma. When the blood passes through the kidneys the urea is removed into the urine. Excessive accumulation of urea results in uremia.

Source: Author YOMD39

This quiz was reviewed by FunTrivia editor crisw before going online.
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