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Worksheets

Unit 9 & 10 Review Quizizz

Total questions: 90

Worksheet time: 49mins

Name
Class
Date
1.

The heart is responsible for pumping blood through the body. Which part of the heart receives deoxygenated blood from the body?

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

2.

Where is the heart located?

a)

Middle of the chest, medial to the lungs

b)

Right side of the chest

c)

Lower abdomen

d)

Back of the body

3.

The heart is protected by the ________.

a)

Rib cage

b)

Pericardium

c)

Skull

d)

Spine

4.

The _______ is the space between the heart wall and the pericardium.

a)

Myocardium

b)

Endocardium

c)

Pericardial cavity

d)

Epicardium

5.

The ______ is the pointed inferior tip of the heart.

a)

Base

b)

Apex

c)

Coronary sulcus

d)

Anterior interventricular sulcus

6.

Which of the following is not a chamber of the heart?

a)

Right atrium

b)

Right ventricle

c)

Left atrium

d)

Right aorta

7.

Fill in the blank: The heart chamber that receives oxygen-poor blood from the body is the ______.

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

8.

Which valve connects the right atrium to the right ventricle?

a)

Pulmonary valve

b)

Tricuspid valve

c)

Mitral valve

d)

Aortic valve

9.

The ______ valve connects the left ventricle to the aorta.

a)

Tricuspid

b)

Pulmonary

c)

Mitral

d)

Aortic

10.

Which part of the heart is responsible for pumping oxygenated blood to the rest of the body?

a)

Right Atrium

b)

Left Ventricle

c)

Pulmonary Artery

d)

Right Ventricle

11.

The valve located between the left atrium and left ventricle is called the _______.

a)

Tricuspid Valve

b)

Mitral Valve

c)

Aortic Valve

d)

Pulmonary Valve

12.

Which of the following is a structure found in the internal heart anatomy?

a)

Interventricular septum

b)

Alveoli

c)

Nephrons

d)

Axons

13.

The _______ are responsible for anchoring the heart valves via the chordae tendineae.

a)

Papillary muscles

b)

Interventricular septum

c)

Left atrium

d)

Mitral valve

14.

What is the correct order of blood flow starting from the superior/inferior vena cava?

a)

Right atrium, Right ventricle, Pulmonary artery, Lungs, Pulmonary veins, Left atrium, Left ventricle, Aorta

b)

Right ventricle, Right atrium, Pulmonary veins, Lungs, Pulmonary artery, Left atrium, Left ventricle, Aorta

c)

Right atrium, Pulmonary artery, Right ventricle, Lungs, Pulmonary veins, Left atrium, Aorta, Left ventricle

d)

Right atrium, Right ventricle, Pulmonary veins, Lungs, Pulmonary artery, Left atrium, Left ventricle, Aorta

15.

Fill in the blank: Blood flows from the right ventricle to the ________.

a)

Pulmonary artery

b)

Left atrium

c)

Aorta

d)

Right atrium

16.

Which part of the heart is responsible for pumping oxygenated blood to the rest of the body?

a)

Right atrium

b)

Left ventricle

c)

Pulmonary artery

d)

Tricuspid valve

17.

Fill in the blank: The subclavian artery continues as the _______ artery and then becomes the brachial artery.

a)

Axillary

b)

Carotid

c)

Coronary

d)

Mesenteric

18.

Which of the following is a major artery in the lower body?

a)

Carotid artery

b)

Femoral artery

c)

Brachial artery

d)

Radial artery

19.

The _______ veins are located in the upper body and are part of the superior vena cava system.

a)

Femoral

b)

Subclavian

c)

Renal

d)

Hepatic

20.

The _______ is a major vein in the lower body that is part of the inferior vena cava system.

a)

Renal vein

b)

Axillary

c)

Aorta

d)

Popliteal vein

21.

Using the word bank provided, label the following parts of the heart.

22.

Click on the:

right ventricle

23.

Click on the:

left atrium

24.

Click on the:

left ventricle

25.

Click on the:

right atrium

26.

Pulmonary Vein

27.

Identify the right pulmonary artery.

28.

Blood from the Inferior and Superior Vena Cava is:

a)

Oxygenated

b)

Deoxygenated

29.

Blood in the Pulmonary Veins is:

a)

Oxygenated

b)

Deoxygenated

30.

Blood in the Aorta is:

a)

Oxygenated

b)

Deoxygenated

31.

Blood passing through the Pulmonary Valve is:

a)

Oxygenated

b)

Deoxygenated

32.

Blood leaving the Pulmonary arteries and travelling to the lungs is:

a)

Oxygenated

b)

Deoxygenated

33.

Blood entering the Left Ventricle is:

a)

Oxygenated

b)

Deoxygenated

34.

Which of the following is a function of the cardiovascular system?

a)

Delivering oxygen and nutrients

b)

Producing hormones

c)

Digesting food

d)

Absorbing minerals

35.

The cardiovascular system helps in _______ by dilating or constricting blood vessels near the skin’s surface.

a)

Regulating body temperature

b)

Digesting food

c)

Producing energy

d)

Absorbing nutrients

36.

What is the role of the Sinoatrial (SA) node in the cardiac conduction system?

a)

It acts as the heart's natural pacemaker

b)

It delays the electrical signal

c)

It conducts impulses to the ventricles

d)

It connects the atria and ventricles

37.

Which part of the heart is responsible for initiating the cardiac conduction system?

a)

A) Atrioventricular node

b)

B) Sinoatrial node

c)

C) Bundle of His

d)

D) Purkinje fibers.

38.

The P wave in an ECG represents the depolarization of the _______.

a)

ventricles

b)

atria

c)

sinoatrial node

d)

atrioventricular node

39.

What does the T wave in an ECG represent?

a)

A) Electrical activity of the ventricles

b)

B) Electrical activity of the atria

c)

C) Electrical recovery of the ventricles

d)

D) Electrical activity of the brain.

40.

The QRS complex in an ECG represents the ________.

a)

A) Electrical activity of the atria

b)

B) Electrical activity of the ventricles

c)

C) Electrical recovery of the ventricles

d)

D) Electrical activity of the brain.

41.

What is the definition of the cardiac cycle?

a)

One complete heartbeat

b)

One complete breath

c)

One complete digestion

d)

One complete sleep cycle.

42.

The cardiac cycle consists of two phases: systole and ______.

a)

Metastole

b)

Diastole

c)

Epistole

d)

Hypostole

43.

What does the first heart sound (S1) indicate?

a)

Closure of the semilunar valves

b)

Closure of the atrioventricular valves

c)

Opening of the semilunar valves

d)

Opening of the atrioventricular valves.

44.

The second heart sound (S2) is associated with the closing of the _______ valves.

a)

atrioventricular

b)

semilunar

c)

mitral

d)

tricuspid

45.

What is cardiac output?

a)

The amount of blood your heart can pump in a minute

b)

The number of beats per minute

c)

The amount of blood in your body

d)

The strength of your heart.

46.

What does systolic pressure indicate?

a)

The pressure when the heart is resting

b)

The pressure when the heart contracts

c)

The pressure in the veins

d)

The pressure in the lungs.

47.

Fill in the blank: Cardiac Output = Heart Rate x ________.

a)

Blood Pressure

b)

Stroke Volume

c)

Heart Strength

d)

Blood Volume

48.

Fill in the blank: A typical healthy young adult blood pressure is ______ mmHg or lower.

a)

A) 140/90

b)

B) 120/80

c)

C) 160/100

d)

D) 180/110

49.

What happens to your heart rate during exercise?

a)

It decreases because your body needs less oxygen

b)

It remains the same because your oxygen needs do not change

c)

It increases because your body needs more oxygen

50.

What is one of the long-term benefits of exercise related to the heart muscle?

a)

Weaker heart muscle

b)

Stronger heart muscle

c)

No change in heart muscle

d)

Decreased heart muscle function

51.

Exercise that increases your heart rate helps to move ______ and blood to your muscles more efficiently.

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Hydrogen

52.

What is Tachycardia?

a)

A) A condition where your heart rate is slower than normal

b)

B) A condition where your heart rate is faster than normal

c)

C) A condition that causes an irregular heartbeat

d)

D) A condition where extra heartbeats originate in the heart's lower chambers.

53.

Bradycardia is a condition where your heart rate is ______ than normal.

a)

faster

b)

slower

c)

irregular

d)

normal

54.

Heart block is a condition that occurs when the electrical signals that control the heart's rhythm are ______.

a)

enhanced

b)

disrupted

c)

normal

d)

irregular

55.

Where is the sinoatrial node?

a)
4
b)

6

c)

2

d)

3

56.

Where is the atrioventricular node?

a)
4
b)

6

c)

1

d)

5

57.

Where is the Bundle of His?

a)
4
b)

6

c)

3

d)

2

58.

Where is the right bundle branch?

a)

1

b)

2

c)

3

d)

5

59.

Where is the left bundle branch?

a)

1

b)

2

c)

3

d)

5

60.

Where is the Purkinje fibers?

a)

1

b)

2

c)

3

d)

5

61.

Choose the correct responses.

62.

In an electrocardiogram, which represents the atria contracting?

63.

In an electrocardiogram, which represents the ventricles repolarizing during relaxation?

64.

In an electrocardiogram, which represents the ventricles contracting?

65.

During which phase of the cardiac cycle does the heart fill with blood?

a)

Systole

b)

Diastole

c)

Atrial systole

d)

Ventricular systole

66.

What is the primary function of red blood cells?

a)

Transport oxygen

b)

Fight infections

c)

Clot blood

d)

Regulate temperature

67.

Fill in the blank: The liquid component of blood is called ______.

a)

Plasma

b)

Hemoglobin

c)

Platelets

d)

Serum

68.

Where does blood formation (hemopoiesis) occur?

a)

Yellow bone marrow

b)

Red bone marrow

c)

Liver

d)

Spleen

69.

Which of the following is a primary function of blood?

a)

Transportation of oxygen and carbon dioxide

b)

Defense against pathogens

c)

Homeostasis maintenance

d)

All of the above.

70.

Blood is responsible for the transportation of ______.

a)

Oxygen & carbon dioxide

b)

Nutrients & waste products

c)

Hormones

d)

All of the above.

71.

In a centrifuged blood sample, the top yellow layer is called ______.

a)

Buffy coat

b)

Plasma

c)

Hematocrit

d)

Red blood cells

72.

What is the normal pH range of human blood?

a)

6.5 - 7.0

b)

7.35 - 7.45

c)

8.0 - 8.5

d)

7.0 - 7.5

73.

Blood is approximately how many times more viscous than water?

a)

2-3 times

b)

4-5 times

c)

6-7 times

d)

8-9 times

74.

Fill in the blank: The average volume of blood in an adult is _____ liters.

a)

3-4

b)

5-6

c)

7-8

d)

9-10

75.

What percentage of blood plasma is composed of water?

a)

50-60%

b)

70-80%

c)

91-92%

d)

95-96%

76.

Fill in the blank: The proteins in blood plasma include Albumin, Globulins, and ________.

a)

A) Hemoglobin

b)

B) Fibrinogen

c)

C) Myoglobin

d)

D) Keratin

77.

Erythrocytes have a _______ shape and lack a nucleus. Choose the correct option to fill in the blank.

a)

Spherical

b)

Cuboidal

c)

Biconcave

d)

Flat

78.

What is the structure of hemoglobin?

a)

A) Protein with two heme groups

b)

B) Protein with four heme groups

c)

C) Protein with six heme groups

d)

D) Protein with eight heme groups

79.

Hemoglobin can bind up to how many oxygen molecules?

a)

Two

b)

Three

c)

Four

d)

Five

80.

What is hypoxemia?

a)

High blood oxygen levels

b)

Low blood oxygen levels

c)

Normal blood oxygen levels

d)

Excessive blood oxygen levels.

81.

Anemia is characterized by a deficiency in which type of blood cell?

a)

A) White blood cells

b)

B) Red blood cells

c)

C) Platelets

d)

D) Plasma

82.

Leukocytes are also known as ______.

a)

Red blood cells

b)

White blood cells

c)

Platelets

d)

Plasma cells

83.

Which type of granular leukocyte is most common and phagocytizes bacteria?

a)

Eosinophils

b)

Basophils

c)

Neutrophils

d)

Monocytes

84.

Eosinophils are involved in fighting parasites and ______.

a)

Releasing histamine

b)

Phagocytizing bacteria

c)

Allergic responses

d)

Cleaning up damaged cells

85.

Which antigen is present on the surface of red blood cells in Type A blood?

a)

A) A antigen

b)

B) B antigen

c)

C) Both A and B antigens

d)

D) No antigens

86.

Fill in the blank: A person with Type O blood has ______ antigens on their red blood cells.

a)

A) A antigens

b)

B) B antigens

c)

C) Both A and B antigens

d)

D) No antigens

87.

What is the Rh factor?

a)

A) A protein found on the surface of red blood cells

b)

B) A type of white blood cell

c)

C) A hormone in the bloodstream

d)

D) A vitamin in the diet

88.

The presence of the Rh factor on red blood cells is known as Rh ______.

a)

negative

b)

positive

c)

neutral

d)

absent

89.

Which blood type is considered the universal donor?

a)

Type A

b)

Type B

c)

Type AB

d)

Type O

90.

Fill in the blank: Type AB blood can receive from ______.

a)

only AB

b)

A and B

c)

everyone

d)

only O