Cardiovascular System Quiz: Blood Vessels and Cardiac Cycle
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Questions and Answers

What is the main function of the cardiovascular system?

  • To produce hormones that regulate metabolism
  • To filter waste and excess fluids from the blood
  • To regulate body temperature
  • To transport oxygen and nutrients to cells and remove waste products (correct)

    • What is the outermost layer of the blood vessel wall composed of?

  • Endothelium
  • Tunica media
  • Tunica externa
  • Adventitia (correct)

    • What is the term for the sequence of electrical events that occurs in the heart during each heartbeat?

  • Electrocardiogram
  • Electrical conduction
  • Cardiac cycle (correct)
  • Cardiac contraction

    • Which of the following blood vessels has the thickest tunica media?

    <p>Arteries</p> Signup and view all the answers

    What is the primary function of the endothelium in blood vessels?

    <p>To provide a smooth surface for blood flow</p> Signup and view all the answers

    The cardiac cycle is the sequence of mechanical events that occurs in the heart during each heartbeat.

    <p>False</p> Signup and view all the answers

    The tunica intima is the middle layer of the blood vessel wall.

    <p>False</p> Signup and view all the answers

    The tunica media is the outermost layer of the blood vessel wall.

    <p>False</p> Signup and view all the answers

    The cardiovascular system is responsible for delivering oxygen and nutrients to the body's cells and removing waste products.

    <p>True</p> Signup and view all the answers

    The cardiac cycle is controlled by the autonomic nervous system.

    <p>True</p> Signup and view all the answers

    In the cardiovascular system, blood is carried through a network of ______

    <p>vessels</p> Signup and view all the answers

    The structure of the blood vessel wall consists of tunica intima, tunica media, and ______

    <p>tunica externa</p> Signup and view all the answers

    The cardiac cycle involves the electrical conduction through the ______

    <p>heart</p> Signup and view all the answers

    The thickest layer of the blood vessel wall is the ______

    <p>tunica media</p> Signup and view all the answers

    Blood vessels play a crucial role in the circulation of ______

    <p>blood</p> Signup and view all the answers

    Tachycardia is characterized by a ______ heart rate

    <p>fast</p> Signup and view all the answers

    Bradycardia is characterized by a ______ heart rate

    <p>slow</p> Signup and view all the answers

    Asystole results in no ______ contraction

    <p>ventricular</p> Signup and view all the answers

    The lumen is the space within the blood vessel where the ______ flows

    <p>blood</p> Signup and view all the answers

    Vaso- is a prefix relating to a ______

    <p>vessel</p> Signup and view all the answers

    What is the term for a heart rate that is slower than normal?

    <p>Bradycardia</p> Signup and view all the answers

    What is the term for the membrane or layer of tissue that envelops a blood vessel?

    <p>Tunica</p> Signup and view all the answers

    What is the term for a heart rate that is faster than normal?

    <p>Tachycardia</p> Signup and view all the answers

    What is the term for the cavity or channel within a tube or tubular organ such as a blood vessel?

    <p>Lumen</p> Signup and view all the answers

    What is the prefix that relates to a vessel?

    <p>Vaso-</p> Signup and view all the answers

    What is the term for the absence of ventricular contraction in the heart?

    <p>Asystole</p> Signup and view all the answers

    What is the function of the lumen in a blood vessel?

    <p>To allow blood to flow through the vessel</p> Signup and view all the answers

    What is the prefix that means 'relating to a vessel'?

    <p>Vaso-</p> Signup and view all the answers

    What is the term for the layer of tissue that envelops a blood vessel?

    <p>Tunica</p> Signup and view all the answers

    What is the term for a heart rate that is faster than normal?

    <p>Tachycardia</p> Signup and view all the answers

    The lumen is the outermost layer of the blood vessel wall.

    <p>False</p> Signup and view all the answers

    Tachycardia is a condition characterized by a slow heart rate.

    <p>False</p> Signup and view all the answers

    Vaso- is a prefix that means 'relating to the heart'.

    <p>False</p> Signup and view all the answers

    Asystole is a condition characterized by a normal heart rate.

    <p>False</p> Signup and view all the answers

    The tunica is the innermost layer of the blood vessel wall.

    <p>False</p> Signup and view all the answers

    Match the following terms with their definitions:

    <p>Tunica = tunic enveloping membrane/layer of tissue Tachycardia = fast heart rate Bradycardia = slow heart rate Asystole = no ventricular contraction 'cardiac arrest'</p> Signup and view all the answers

    Match the following cardiovascular terms with their meanings:

    <p>Lumen = the cavity or channel within a tube/tubular organ such as a blood vessel or intestine Vaso- = pertaining to or relating to a vessel Tunica = tunic enveloping membrane/layer of tissue Bradycardia = slow heart rate</p> Signup and view all the answers

    Pair the terms with their cardiovascular descriptions:

    <p>Asystole = no ventricular contraction 'cardiac arrest' Lumen = the space within the blood vessel where the blood flows Vaso- = pertaining to or relating to a vessel Tachycardia = fast heart rate</p> Signup and view all the answers

    Match the terminology with their vessel-related associations:

    <p>Tunica = tunic enveloping membrane/layer of tissue Vaso- = pertaining to or relating to a vessel Tachycardia = fast heart rate Lumen = the cavity or channel within a tube/tubular organ such as a blood vessel or intestine</p> Signup and view all the answers

    Connect the terms with their cardiovascular meanings:

    <p>Tachycardia = fast heart rate Tunica = tunic enveloping membrane/layer of tissue Lumen = the space within the blood vessel where the blood flows Asystole = no ventricular contraction 'cardiac arrest'</p> Signup and view all the answers

    ____ is a fast heart rate

    <p>Tachycardia</p> Signup and view all the answers

    The absence of ventricular contraction is known as ______

    <p>Asystole</p> Signup and view all the answers

    The ______ is the cavity within a tubular organ such as a blood vessel

    <p>lumen</p> Signup and view all the answers

    Tunica is the enveloping membrane or layer of tissue of a ______

    <p>blood vessel</p> Signup and view all the answers

    ____ is pertaining to a vessel

    <p>Vaso-</p> Signup and view all the answers

    What is the main function of the oxygenated blood leaving the heart through the aorta?

    <p>To deliver oxygen and nutrients to the body's cells</p> Signup and view all the answers

    What is the location of gas and nutrient exchange in the cardiovascular system?

    <p>In the capillaries</p> Signup and view all the answers

    What is the direction of blood flow in the arteries?

    <p>Away from the heart</p> Signup and view all the answers

    What happens to the blood vessels after the capillaries?

    <p>They converge and get larger and larger</p> Signup and view all the answers

    Which type of blood vessels carry deoxygenated blood, apart from the pulmonary veins?

    <p>Veins</p> Signup and view all the answers

    Arteries carry deoxygenated blood away from the heart.

    <p>False</p> Signup and view all the answers

    Veins carry oxygenated blood towards the heart.

    <p>False</p> Signup and view all the answers

    Gas and nutrient exchange occurs in the arteries through passive diffusion.

    <p>False</p> Signup and view all the answers

    The cranial and caudal vena cavae are arteries that carry oxygenated blood away from the heart.

    <p>False</p> Signup and view all the answers

    The aorta is the largest vein that carries oxygenated blood away from the heart.

    <p>False</p> Signup and view all the answers

    Arteries carry oxygenated blood away from the ______

    <p>heart</p> Signup and view all the answers

    Carry oxygenated blood apart from the ______ arteries

    <p>Pulmonary</p> Signup and view all the answers

    Oxygenated blood leaves the heart through the ______ – divides into smaller and smaller arteries

    <p>aorta</p> Signup and view all the answers

    The vessels converge and get larger and larger until the deoxygenated blood enters the ______ and ______ vena cavae

    <p>cranial, caudal</p> Signup and view all the answers

    Gas and nutrient exchange occurs in the ______ by passive diffusion

    <p>capillaries</p> Signup and view all the answers

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