Sensory Receptors Quiz exam 4
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Questions and Answers

What type of receptor is responsible for detecting pressure in the skin?

  • Free nerve endings
  • Ruffini corpuscles
  • Pacinian corpuscles
  • Merkel disks (correct)

    • Which receptor is responsible for detecting continuous pressure in the skin?

  • Free nerve endings
  • Merkel disks
  • Pacinian corpuscles
  • Ruffini corpuscles (correct)

    • Which receptor is responsible for detecting changing temperature just below the skin?

  • Ruffini corpuscles
  • Pacinian corpuscles
  • Free nerve endings (correct)
  • Merkel disks

    • Which structure is responsible for transmitting sound waves to the middle ear?

    <p>Tympanic membrane</p> Signup and view all the answers

    Which structure is responsible for amplifying sound waves in the middle ear?

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

    Which structure is responsible for transmitting amplified sound waves to the inner ear?

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

    Which structure in the inner ear is responsible for detecting sound waves?

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

    Which type of receptor is responsible for detecting chemicals released from damaged cells?

    <p>Pain receptors</p> Signup and view all the answers

    Which type of receptor is responsible for detecting visible light in the eye?

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

    Which type of receptor is responsible for detecting cold water coming out of a faucet?

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

    What layer of the eye contains melanin and arteries that provide other parts of the eye with nutrients and oxygen?

    <p>Middle layer</p> Signup and view all the answers

    Which of the following is NOT one of the general senses?

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

    What is the region of the retina with the greatest concentration of cones, providing the greatest visual acuity?

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

    What structure produces the shape change of the lens to allow for focusing on objects at different distances from the head?

    <p>Ciliary body</p> Signup and view all the answers

    Which structure is most directly responsible for hearing?

    <p>Spiral organ (organ of Corti)</p> Signup and view all the answers

    Which part of the inner ear plays a role in equilibrium?

    <p>Semicircular canals</p> Signup and view all the answers

    What type of sensory receptor detects an increase in blood pressure?

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

    What is the thin layer that lines the chambers of the heart called?

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

    What causes the 'lub' sound of the 'lub-dub' heart sounds?

    <p>The closing of the AV valves</p> Signup and view all the answers

    Which chamber of the heart does blood leave to go to the lungs?

    <p>Right Ventricle</p> Signup and view all the answers

    What is the pericardium?

    <p>A serous membrane that covers the heart</p> Signup and view all the answers

    What occurs during the passive filling of the heart?

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

    How do the chambers of the heart contract during the cardiac cycle?

    <p>Both atria contract simultaneously then both ventricles contract simultaneously</p> Signup and view all the answers

    What is the function of the semicircular canals in the inner ear?

    <p>Detecting rotational movements of the head</p> Signup and view all the answers

    What is the function of mechanoreceptors in the body?

    <p>Detecting changes in pressure or movement</p> Signup and view all the answers

    What is the role of the semicircular canals in the inner ear?

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

    What type of sensory receptor detects an increase in blood pressure?

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

    What is the thin layer that lines the chambers of the heart called?

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

    What causes the 'lub' sound of the 'lub-dub' heart sounds?

    <p>The closing of the AV valves</p> Signup and view all the answers

    Which chamber of the heart does blood leave to go to the lungs?

    <p>Right Ventricle</p> Signup and view all the answers

    What type of membrane is the pericardium?

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

    What is occurring during the passive filling of the heart at the beginning of each cardiac cycle?

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

    Which of the following statements is true concerning the contraction of the chambers of the heart during the cardiac cycle?

    <p>Both atria contract simultaneously then both ventricles contract simultaneously</p> Signup and view all the answers

    What is the purpose of the AV node in the heart?

    <p>To conduct the electrical signal from the atria to the ventricles</p> Signup and view all the answers

    What is the name of the valve located between the right atrium and right ventricle in the heart?

    <p>Tricuspid valve</p> Signup and view all the answers

    What is the function of the semicircular canals in the inner ear?

    <p>Balance and equilibrium</p> Signup and view all the answers

    What type of sensory receptor detects increases in blood pressure?

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

    What is the thin layer that lines the chambers of the heart called?

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

    What causes the 'lub' sound of the 'lub-dub' heart sounds?

    <p>The closing of the AV valves</p> Signup and view all the answers

    Which chamber of the heart does blood leave to go to the lungs?

    <p>Right Ventricle</p> Signup and view all the answers

    What is the pericardium?

    <p>A serous membrane that covers the heart</p> Signup and view all the answers

    What occurs during the passive filling of the heart at the beginning of each cardiac cycle?

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

    Which of the following is not a type of blood vessel?

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

    What is a normal blood pressure according to the American Heart Association?

    <p>120/80</p> Signup and view all the answers

    What is happening in the heart when diastolic pressure is being measured?

    <p>The heart ventricles are relaxing.</p> Signup and view all the answers

    Which blood vessel will have the greatest amount of oxygen?

    <p>Femoral artery</p> Signup and view all the answers

    What is blood made up of?

    <p>Formed elements and plasma</p> Signup and view all the answers

    Which blood type(s) can a person with blood type B donate packed red blood cells to, considering only the ABO system?

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

    What antibodies does a person with Type AB blood produce?

    <p>Neither anti-A nor anti-B</p> Signup and view all the answers

    What antigens and antibodies does Deshaun with type B positive blood have?

    <p>B and anti-A</p> Signup and view all the answers

    Which component of blood is responsible for carrying oxygen?

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

    What is the function of platelets in blood?

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

    Which blood type is considered the universal donor, and can donate to all other blood types?

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

    What is a normal blood pressure according to the American Heart Association?

    <p>120/80</p> Signup and view all the answers

    What is happening in the heart when diastolic pressure is being measured?

    <p>The heart atria are relaxing.</p> Signup and view all the answers

    Which blood vessel will have the greatest amount of oxygen?

    <p>Femoral artery</p> Signup and view all the answers

    What is blood made up of?

    <p>Formed elements and plasma</p> Signup and view all the answers

    Which blood type(s) can a person with blood type B donate packed red blood cells to, considering only the ABO system?

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

    What antibodies does a person with blood type AB produce?

    <p>Neither anti-A nor anti-B</p> Signup and view all the answers

    What antigens and antibodies does a person with type B positive blood have?

    <p>A and B antigens, anti-A and anti-B antibodies</p> Signup and view all the answers

    What is the function of platelets in blood?

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

    What is the function of white blood cells in blood?

    <p>To fight infections</p> Signup and view all the answers

    What is the function of red blood cells in blood?

    <p>To transport oxygen</p> Signup and view all the answers

    What is the best description of platelets in blood?

    <p>Platelets and plasma</p> Signup and view all the answers

    Which of the following is NOT a type of white blood cell?

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

    What is the function of a memory cell in the immune system?

    <p>To cause a quick response to an invader when it is encountered a second time</p> Signup and view all the answers

    What is the role of a Helper T-cell in the immune system?

    <p>To activate other immune cells</p> Signup and view all the answers

    What is the difference between innate and adaptive immunity?

    <p>Innate immunity is present at birth, while adaptive immunity develops over time</p> Signup and view all the answers

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