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Quiz about The Amazing Heart and the Blood that it Pumps

The Amazing Heart and the Blood that it Pumps Quiz

Answer ten questions concering the heart and the "river of life" - blood.

A multiple-choice quiz by jacko3006. Estimated time: 5 mins.

Author
jacko3006

Time
5 mins

Type
Multiple Choice

Quiz #
317,783

Updated
Dec 19 21

# Qns
10

Difficulty
Tough

Avg Score
6 / 10

Plays
1879

Awards
Top 20% Quiz

One at a Time - Single Page - Timed Game

Question 1 of 10

1. What is the term for the heart's internal pacemaker? Hint

atrioventricular node

sinoatrial node

node of ranvier

sinoventricular node

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Question 2 of 10

2. What is the term for the amount of blood that leaves the left ventricle with each contraction? Hint

systole

stroke volume

ventricular ejection volume

cardiac capacity

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Question 3 of 10

3. Which valve is also known as the bicuspid valve? Hint

mitral

semilunar

pulmonary

ventricular

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Question 4 of 10

4. What is the term for when four oxygen molecules bond to each hemoglobin after the gas exchange that takes place in the lung capillaries occur? Hint

full saturation

full oxygenation

full hemoglobination

full utilization

NEXT>

Question 5 of 10

5. What is the name of the tiny strings that restrict the motion of the valves in the heart? Hint

chordae tendinae

chordae fibrili

chordae tendina

chordae tendata

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Question 6 of 10

6. What is the term used to describe a pathologically low level of platelets? Hint

thrombocytosis

neutrophilia

thrombocytopenia

basophilia

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Question 7 of 10

7. The compression of the heart due to a build up of blood in the pericardial sac is known as what? Hint

cardiac insufficiency

myocardial infarction

cardiac inhibition

cardiac tamponade

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Question 8 of 10

8. Blood plasma with fibrinogen removed is known as what? Hint

serum

serum plasma

defibrinogenated plasma

plasma serum

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Question 9 of 10

9. What are the name for the structures in between each cardiac muscle cell that allow electrical impulses to cause contraction in each cell simultaneously? Hint

intercalated membranes

intercalated junctions

intercalated rings

intercalated disks

NEXT>

Question 10 of 10

10. What is the most abundant leukocyte in the human body? Hint

neutrophil

eosinophil

basophil

lymphocytes

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Quiz Answer Key and Fun Facts

1. What is the term for the heart's internal pacemaker?

Answer: sinoatrial node

The sinoatrial node is located in the right atrium, and sends electrical impulses further down to the atrioventricular node.

2. What is the term for the amount of blood that leaves the left ventricle with each contraction?

Answer: stroke volume

The average cardiac output is about 70ml of blood per heartbeat.

3. Which valve is also known as the bicuspid valve?

Answer: mitral

Mitral is the most common name for the valve between the left atrium and left ventricle but bicuspid is still in use.

4. What is the term for when four oxygen molecules bond to each hemoglobin after the gas exchange that takes place in the lung capillaries occur?

Answer: full saturation

Hemoglobin molecules are only about 20 nanometers in size.

5. What is the name of the tiny strings that restrict the motion of the valves in the heart?

Answer: chordae tendinae

A prolapsed valve is the term used to describe the condition that results from dysfunctional chordae tendinae.

6. What is the term used to describe a pathologically low level of platelets?

Answer: thrombocytopenia

Neutrophilia is a high level of neutrophils, basophilia is a high level of basophils, and thrombocytosis is a high level of platelets.

7. The compression of the heart due to a build up of blood in the pericardial sac is known as what?

Answer: cardiac tamponade

This can easily occur after a stab or puncture wound to the heart. Emergency surgery is necessary to relieve the pressure on the heart.

8. Blood plasma with fibrinogen removed is known as what?

Answer: serum

Plasma is mostly water, but also contains waste product and small amounts of glucose and fibrinogen.

9. What are the name for the structures in between each cardiac muscle cell that allow electrical impulses to cause contraction in each cell simultaneously?

Answer: intercalated disks

Without these disks a heart would not be able to function. Without intercalated disks, the heart would have no synchronicity and would be nothing more than a quivering mass of spacticity.

10. What is the most abundant leukocyte in the human body?

Answer: neutrophil

Neutrophils account for 65-70 % of all WBC's.

Source: Author jacko3006

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