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WorksheetsCH.13- Cardiovascular (A&P II)
Total questions: 59
Worksheet time: 30mins
What does the cardiovascular system consist of?
Heart and vessels (arteries, capillaries, and veins)
Brain and nerves
Lungs and trachea
Stomach and intestines
Why is a functional cardiovascular system vital?
For digesting food
For supplying oxygen and nutrients to tissues and removing wastes
For producing hormones
For regulating body temperature
What does the pulmonary circuit do?
Carries oxygenated blood to the brain
Carries deoxygenated blood to the lungs
Carries nutrients to the liver
Carries waste to the kidneys
What is the role of the systemic circuit?
Sends oxygenated blood to all body cells
Sends deoxygenated blood to the lungs
Sends nutrients to the stomach
Sends hormones to the brain
What color is used to indicate deoxygenated blood in the diagram?
Red
Blue
Green
Yellow
What color is used to indicate oxygenated blood in the diagram?
Red
Blue
Green
Yellow
Which circuit delivers oxygen to all body cells and carries away wastes?
Pulmonary circuit
Systemic circuit
Coronary circuit
Lymphatic circuit
Through which vessels does deoxygenated blood return to the heart?
Pulmonary veins
Pulmonary arteries
Venae cavae
Aorta
What is the shape of the heart?
Spherical
Hollow, cone-shaped
Cylindrical
Flat
Where is the heart located within the body?
In the abdominal cavity
In the cranial cavity
In the thoracic cavity
In the pelvic cavity
What is the average size of an adult heart?
10 cm long and 5 cm wide
14 cm long and 9 cm wide
20 cm long and 15 cm wide
5 cm long and 3 cm wide
Where does the apex of the heart extend to?
The L third intercostal space
The L fifth intercostal space
The L seventh intercostal space
The L first intercostal space
Where does the base of the heart lie?
Beneath the first rib
Beneath the second rib
Beneath the third rib
Beneath the fourth rib
What is the function of the pericardium?
It pumps blood throughout the body.
It encloses the heart.
It filters blood.
It stores oxygen.
What are the two layers of the pericardium?
Fibrous pericardium and visceral pericardium
Muscular pericardium and elastic pericardium
Connective pericardium and epithelial pericardium
Outer pericardium and inner pericardium
Which layer of the pericardium is more delicate?
Fibrous pericardium
Muscular pericardium
Visceral pericardium
Connective pericardium
What does the visceral pericardium become at the base of the heart?
Parietal pericardium
Fibrous pericardium
Pericardial cavity
Serous fluid
What is the space between the parietal and visceral pericardia called?
Pericardial cavity
Fibrous pericardium
Visceral cavity
Cardiac space
What fills the pericardial cavity?
Serous fluid
Blood
Air
Lymph
Which part of the heart is responsible for receiving deoxygenated blood from the body?
Left atrium
Right atrium
Left ventricle
Right ventricle
What is the function of the aorta in the circulatory system?
To carry oxygenated blood from the heart to the body
To carry deoxygenated blood from the body to the heart
To carry oxygenated blood from the lungs to the heart
To carry deoxygenated blood from the heart to the lungs
Which structure is labeled as covering the heart in the diagram?
Fibrous pericardium
Parietal pericardium
Visceral pericardium
Pericardial cavity
What is the role of the pulmonary trunk in the heart?
To carry oxygenated blood to the body
To carry deoxygenated blood to the lungs
To carry oxygenated blood to the heart
To carry deoxygenated blood to the heart
How many distinct layers compose the wall of the heart?
Two
Three
Four
Five
What is the outermost layer of the heart wall called?
Myocardium
Endocardium
Epicardium
Pericardium
What type of tissue makes up the epicardium?
Muscle tissue
Nervous tissue
Connective tissue and epithelium
Bone tissue
Which of the following is housed in the epicardium?
Nerve endings
Blood and lymph capillaries
Bone marrow
Muscle fibers
What is the middle layer of the heart wall called, and what is it composed of?
Endocardium; connective tissue
Myocardium; cardiac muscle
Epicardium; epithelial tissue
Pericardium; smooth muscle
Which layer of the heart is continuous with the endothelium of major vessels?
Myocardium
Epicardium
Endocardium
Pericardium
What does the endocardium form in the ventricles?
Purkinje fibers
Trabeculae tendinae
Cardiac muscle
Epicardial tissue
What fibers are contained within the endocardium?
Cardiac fibers
Muscle fibers
Purkinje fibers
Connective fibers
Which layer of the heart is also known as the visceral pericardium?
Endocardium
Myocardium
Epicardium
Parietal pericardium
What is the function of the coronary blood vessels?
To pump blood throughout the body
To supply blood to the heart muscle
To remove waste from the body
To regulate heart rate
Which layer of the pericardium is the outermost?
Endocardium
Parietal pericardium
Fibrous pericardium
Myocardium
How many internal chambers does the heart have?
Two
Four
Six
Eight
What is the primary function of the atria in the heart?
Pump blood to the body
Receive blood returning to the heart
Store oxygen
Filter blood
Which part of the heart has thick muscles and pumps blood to the body?
Atria
Ventricles
Auricles
Valves
What structure divides the atrium and ventricle on each side of the heart?
Chordae tendinae
Septum
Atrioventricular valve
Cusps
What is the function of the atrioventricular (A-V) valve?
To divide the atrium and ventricle
To ensure one way flow of blood
To attach to chordae tendinae
To pump blood
Which valve is found on the right side of the heart?
Bicuspid
Mitral
Tricuspid
Aortic
What do the cusps of the A-V valves attach to?
Septum
Chordae tendinae
Aorta
Pulmonary artery
What is the function of the chordae tendinae in the heart?
To pump blood through the heart
To attach to papillary muscles and prevent backflow of blood
To regulate heart rate
To supply oxygen to the heart muscle
Where are the chordae tendinae attached in the heart?
Aorta
Papillary muscles
Pulmonary veins
Sinoatrial node
What is the function of the superior and inferior vena cavae?
They pump blood to the lungs.
They bring blood from the body to the right atrium.
They carry oxygenated blood to the left atrium.
They transport nutrients to the liver.
Why does the right ventricle have a thinner wall than the left ventricle?
It pumps blood to the entire body.
It pumps blood only as far as the lungs.
It receives blood from the left atrium.
It stores blood for the left ventricle.
Does the right ventricle pump the same amount of blood as the left ventricle?
Yes, it pumps more blood.
No, it pumps less blood.
Yes, it pumps the same amount of blood.
No, it pumps more blood.
What is the function of the pulmonary semilunar valve?
It pumps blood into the lungs.
It prevents a return flow of blood to the ventricle.
It receives blood from the pulmonary veins.
It pumps blood into the entire body.
Through which valve does blood pass from the left atrium into the left ventricle?
Pulmonary semilunar valve
Aortic semilunar valve
Mitral valve
Tricuspid valve
What prevents backflow of blood into the left ventricle?
Pulmonary semilunar valve
Mitral valve
Aortic semilunar valve
Tricuspid valve
What is the function of the aortic valve in the heart?
It prevents backflow of blood into the left ventricle.
It pumps blood into the right atrium.
It carries oxygenated blood to the lungs.
It separates the left and right atria.
Which chamber of the heart receives deoxygenated blood from the body?
Left atrium
Right atrium
Left ventricle
Right ventricle
What is the role of the pulmonary trunk in the circulatory system?
It carries oxygenated blood to the body.
It carries deoxygenated blood to the lungs.
It prevents backflow of blood into the right ventricle.
It separates the left and right ventricles.
Which valve is located between the left atrium and left ventricle?
Tricuspid valve
Aortic valve
Mitral (bicuspid) valve
Pulmonary valve
What is the function of the rings of dense connective tissue in the heart?
To increase blood flow
To provide attachments for heart valves and fibers
To store energy
To produce hormones
What do the tough rings of connective tissue prevent in the heart?
Increasing blood pressure
Dilating of tissue in the area
Heartbeat irregularities
Blood clotting
What anatomical structure is shown in the image?
Human brain
Human heart
Human liver
Human kidney
Which valve is located between the left atrium and the left ventricle of the heart?
Mitral valve
Tricuspid valve
Pulmonary valve
Aortic valve
What is the function of the fibrous skeleton in the heart?
Provides structural support and electrical insulation
Pumps blood through the heart
Regulates blood pressure
Transports oxygen to tissues
Which valve prevents backflow of blood from the right ventricle to the right atrium?
Tricuspid valve
Mitral valve
Aortic valve
Pulmonary valve
