Human Blood Components and Functions Quiz
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Questions and Answers

Which component of blood is primarily responsible for transporting oxygen?

  • Platelets
  • Red blood cells (correct)
  • Plasma
  • White blood cells
  • Platelets are the smallest blood cells and are essential for blood clotting.

    True

    What is the liquid component of blood called?

    plasma

    The _____ is the largest lymphatic organ that filters blood.

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

    Match the description with the correct blood component or organ:

    <p>Red blood cells = Blood cells responsible for oxygen transport White blood cells = Cells that fight pathogens Plasma = Liquid component of blood Spleen = Largest lymphatic organ that filters blood</p> Signup and view all the answers

    What is the primary function of plasma in blood?

    <p>To carry nutrients and waste products</p> Signup and view all the answers

    White blood cells are primarily responsible for transporting oxygen throughout the body.

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

    What is the role of alveoli in the respiratory system?

    <p>Gas exchange between oxygen and carbon dioxide.</p> Signup and view all the answers

    The _____ is the largest lymphatic organ that filters blood.

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

    Match the following blood components with their functions:

    <p>Red blood cells = Carry oxygen Platelets = Clotting White blood cells = Fight pathogens Antibodies = Attack disease substances</p> Signup and view all the answers

    Which verse states that if you suffer for righteousness' sake, you should not be afraid of their terror?

    <p>1 Peter 3:14</p> Signup and view all the answers

    The principal organs of mechanical respiration are the superior vena cava.

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

    What is the largest lymphatic organ that filters blood?

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

    The tiny sacs at the end of the bronchioles in the lungs, where oxygen and carbon dioxide are exchanged, are called __________.

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

    Match the following terms with their definitions:

    <p>Spleen = Largest lymphatic organ; filters blood Alveoli = Tiny sacs for gas exchange in the lungs Respiration using oxygen = Type of respiration that breaks down glucose to release energy Superior vena cava = Major vein that carries deoxygenated blood to the heart</p> Signup and view all the answers

    What function of the nervous system involves voluntary movement of the skeletal muscles?

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

    The cerebellum is responsible for controlling motor and sensory functions as well as cognitive functions.

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

    What is the term for the largest division of the brain that controls most cognitive functions?

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

    The ____ is an extension of a neuron that carries nerve impulses away from the soma.

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

    Match the following terms with their descriptions:

    <p>Corpus Callosum = Bridge between the right and left cerebral hemispheres Myelin = Covers and insulates most axons Dendrite = Carries nerve impulses toward the soma Neuroglial = Cells that support neurons and form myelin sheaths</p> Signup and view all the answers

    Which part of the nervous system is responsible for involuntary actions such as breathing?

    <p>Brain stem (Medulla Oblongata)</p> Signup and view all the answers

    The cerebellum is the largest division of the brain.

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

    What is the function of sensory nerves?

    <p>Transmit sensory information to the CNS</p> Signup and view all the answers

    What is the function of myelin in the nervous system?

    <p>Insulates and covers axons to speed up impulses</p> Signup and view all the answers

    The _______ is a fatty substance that covers and insulates axons, speeding up nerve impulses.

    <p>Myelin sheath</p> Signup and view all the answers

    The cerebrum is responsible for coordinating balance and muscle tone.

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

    What is the primary function of efferent neurons?

    <p>They carry motor command impulses away from the central nervous system.</p> Signup and view all the answers

    Which of the following accurately describes white matter in the nervous system?

    <p>Myelinated axons</p> Signup and view all the answers

    Match the following components of the nervous system with their descriptions:

    <p>Axon = Carries nerve impulses away from the cell body Dendrite = Receives nerve impulses from other cells Soma = Body of a neuron Neuroglia = Support and insulate neurons</p> Signup and view all the answers

    A reflex arc involves impulses going to the brain before responding.

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

    What part of the nervous system connects the brain to the spinal cord?

    <p>Brain Stem</p> Signup and view all the answers

    Grey matter consists of myelinated axons.

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

    What sensory information does the auditory cortex process?

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

    The _____ carries nerve impulses away from the soma.

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

    The _____ nervous system is activated during strong emotions and is known as the fight-or-flight system.

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

    Match the following parts of the brain with their functions:

    <p>Cerebellum = Coordination and balance Cerebrum = Motor and sensory functions Medulla oblongata = Control of vital functions Corpus Callosum = Connects right and left hemispheres</p> Signup and view all the answers

    What type of cells form myelin sheaths around axons?

    <p>Neuroglia cells</p> Signup and view all the answers

    Match the sensory nerve with its corresponding sensory information:

    <p>Olfactory nerves = Smells Gustatory nerves = Taste Auditory nerves = Sounds Optic nerves = Images</p> Signup and view all the answers

    What part of the brain interprets taste?

    <p>Gustatory cortex</p> Signup and view all the answers

    The sympathetic nervous system is responsible for calming the body after stress.

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

    What is the function of sensory receptors in the skin?

    <p>They detect temperature, pain, and touch.</p> Signup and view all the answers

    The _____ nervous system helps return organs to normal operation after a stressful situation.

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

    Match the parts of the heart with their descriptions:

    <p>Atria = Upper chambers of the heart Ventricles = Lower chambers of the heart Valves = Structures that connect atria and ventricles Myocardium = Muscular tissue that makes up the heart walls</p> Signup and view all the answers

    What is the main function of the circulatory system?

    <p>Providing oxygen and nutrients to the body</p> Signup and view all the answers

    The myocardium is a thin layer of tissue surrounding the heart.

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

    What structure encases and protects the heart?

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

    The largest systemic artery in the body is the __________.

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

    Match the following heart chambers with their locations:

    <p>Left atrium = Upper chamber Right atrium = Upper chamber Left ventricle = Lower chamber Right ventricle = Lower chamber</p> Signup and view all the answers

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