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Physiology 1 Review

94 Questions
Physiology Quizzes & Trivia

Review for physiology final

Questions and Answers
  • 1. 
    Homeostasis is the ability of the body to:
    • A. 

      Prevent the external environment from changing

    • B. 

      Prevent the internal environment from changing

    • C. 

      Quickly restore changed conditions to normal

    • D. 

      Ignore external stimuli to remain in a state of rest

  • 2. 
    • A. 

      Plasma

    • B. 

      Interstitial fluid

    • C. 

      Intracellular fluid

    • D. 

      A and C

    • E. 

      A and B

  • 3. 
    An excitatory postsynaptic potential (EPSP):
    • A. 

      Depolarizes a neuron, making it harder to fire

    • B. 

      Hyperpolarizes a neuron, making it harder to fire

    • C. 

      Depolarizes a neuron, making it easier to fire

    • D. 

      Hyperpolarizes a neuron, making it easier to fire

  • 4. 
    All of the following are mediated transport except:
    • A. 

      Facilitated diffusion

    • B. 

      Primary active transport

    • C. 

      Simple diffusion

    • D. 

      Secondary active transport

  • 5. 
    What are the 2 extracellular fluid compartments in the body
    • A. 

      Intracellular and plasme

    • B. 

      Plasma and interstitial

    • C. 

      Interstitial and intracellular

    • D. 

      Plasma and the fluid portion of the blood

    • E. 

      None of these

  • 6. 
    The means by which a cell transports large particles out of the cell is called
    • A. 

      Phagocytosis

    • B. 

      Endocytosis

    • C. 

      Exocytosis

    • D. 

      Diffusion

    • E. 

      Active transport

  • 7. 
    Which of these neurotransmitters is the most abundant
    • A. 

      Acetylycholine

    • B. 

      GABA

    • C. 

      Serotonin

    • D. 

      Dopamine

    • E. 

      Norepinephrine

  • 8. 
    Hypoosmotic solutions have:
    • A. 

      Higher concentrations of solutes than hyperosmotic solutions

    • B. 

      Lower concentrations of solutes than other hypoosmotic solutions

    • C. 

      The same concentration of solutes as hyperosmotic solutions

    • D. 

      Have lower concentrations of solutes than hyperosmotic solutions

    • E. 

      None of these

  • 9. 
    Which of the following statements about the Na+/K+ pump is FALSE
    • A. 

      It transport Na+ and K+ in a 2:1 ratio

    • B. 

      It transports Na+ out of the cell and K+ into the cell

    • C. 

      It is present in neurons

    • D. 

      Its activity requires the expenditure of metabolic energy

  • 10. 
    Voltage-gated channels and antiport carriers are both type of
    • A. 

      Structural proteins

    • B. 

      Enzymes

    • C. 

      Transporters

    • D. 

      Receptors

  • 11. 
    As the charge on the membrane of a typical neuron approaches 0 from -70mV, the cell is:
    • A. 

      Repolarizing

    • B. 

      Hyperpolarizing

    • C. 

      Depolarizing

    • D. 

      Becoming more difficult to stimulate

    • E. 

      B and D

  • 12. 
    Integration of a reflex always occurs in the
    • A. 

      PNS

    • B. 

      CNS

    • C. 

      ANS

    • D. 

      Dorsal root ganglia

  • 13. 
    If a 10% sucrose solution is separated from a 20% sucrose solution by a membrane impermeable to sucrose, in which direction will net movement of water occur
    • A. 

      From the 10% sucrose solution to the 20% sucrose solution

    • B. 

      From the 20% sucrose solution to the 10% sucrose solution

    • C. 

      There will be no net movement of water in this case

    • D. 

      A and B

    • E. 

      None of the above

  • 14. 
    Match the brain area with its location:All lobes
    • A. 

      Primary somatic sensory cortex

    • B. 

      Visual cortex

    • C. 

      Auditory cortex

    • D. 

      Assoication areas

  • 15. 
    Parietal lobe:
    • A. 

      Primary somatic sensory cortex

    • B. 

      Visual cortex

    • C. 

      Auditory cortex

    • D. 

      Association areas

  • 16. 
    Temporal lobe:
    • A. 

      Primary somatic sensory cortex

    • B. 

      Visual cortex

    • C. 

      Auditory cortex

    • D. 

      Association areas

  • 17. 
    Occipital lobe:
    • A. 

      Primary somatic sensory cortex

    • B. 

      Visual cortex

    • C. 

      Auditory cortex

    • D. 

      Association areas

  • 18. 
    Gated channels for sodium ions may include:
    • A. 

      Mechanical gates, which respond to pressure

    • B. 

      Chemical gates which respond to ligands

    • C. 

      Voltage gates which respond to electrical signals

    • D. 

      All of these

    • E. 

      None of these

  • 19. 
    Chemical signals released into synapses are called
    • A. 

      Hormones

    • B. 

      Amino acids

    • C. 

      Neurotransmitters

    • D. 

      Codons

    • E. 

      Anticodons

  • 20. 
    The afferent and efferent axons together form the
    • A. 

      Central nervous system

    • B. 

      Autonomic division sytem

    • C. 

      Somatic motor division of the nervous system

    • D. 

      Peripheral nervous system

    • E. 

      Visceral nervous system

  • 21. 
    Interneurons are found;
    • A. 

      Only in the brain

    • B. 

      Only in the spinal cord

    • C. 

      Only in the CNS

    • D. 

      Throughout the nervous system

    • E. 

      Only in spinal nerves

  • 22. 
    A cell membrane that is selectively permeable:
    • A. 

      Randomly chooses what substances will pass through

    • B. 

      Can change which substances pass through by changing its lipid and protein content

    • C. 

      Is impermeable to all substances but water

    • D. 

      Will only allow substances in or out if their concentration in the cell is above or below a certain point

  • 23. 
    Receptor molecules for chemical signaling are located:
    • A. 

      In the membrane

    • B. 

      In the cytosol

    • C. 

      In the nucleus

    • D. 

      B and C

    • E. 

      All of these

  • 24. 
    With the exception of olfaction, all sensory pathways first travel to the ______ which acts as a relay and processing station:
    • A. 

      Cerebrum

    • B. 

      Thalamus

    • C. 

      Cerebellum

    • D. 

      Hypothalamus

    • E. 

      Medulla oblongata

  • 25. 
    Cyclic AMP (cAMP), cGMP and calcium are all:
    • A. 

      First messengers

    • B. 

      Second messengers

    • C. 

      Cytokines

    • D. 

      Hormones

  • 26. 
    Receptors on the surface of the target cell:
    • A. 

      May allow a particular ligand to bind

    • B. 

      Determine the target cell's response

    • C. 

      Bind to all ligands

    • D. 

      A and B

    • E. 

      B and C

  • 27. 
    The increasingly forceful uterine contractions that lead to childbirth are an example of
    • A. 

      Receptor activation

    • B. 

      Effector shutdown

    • C. 

      Negative feedback

    • D. 

      Positive feedback

    • E. 

      None of these

  • 28. 
    THe concentration of calcium inside a cell is 0.3%. The concentration of calcium outside the cell is 0.1%. How could the cell transport even more calcium to the inside:
    • A. 

      Passive transport

    • B. 

      Active transport

    • C. 

      Osmosis

    • D. 

      Exocytosis

    • E. 

      All of these will work

  • 29. 
    Water will always move from ________ areas to _____ areas
    • A. 

      Hyperosmostic, hyposmotic

    • B. 

      Hyposmotic, hyperosmotic

    • C. 

      Hyposmotic, isosmotic

    • D. 

      Hyperosmotic, isomotic

  • 30. 
    The axon is conntected to the cell body by the
    • A. 

      Myelin sheath

    • B. 

      Axon terminal

    • C. 

      Collaterals

    • D. 

      Axon hillock

    • E. 

      Synapse

  • 31. 
    Which of the following does not influence membrane permeability
    • A. 

      Size of diffusing molecules

    • B. 

      Lipid solubility of diffusing molecules

    • C. 

      Thickness of lipid bilayer

    • D. 

      Number of protein channels

  • 32. 
    Passive transport reders to a process that requires
    • A. 

      No energy at all

    • B. 

      No cellular energy

    • C. 

      No pressure gradient

    • D. 

      No concentration gradient

    • E. 

      No electrical gradient

  • 33. 
    Gated channels for sodium ions may include:
    • A. 

      Mechanical gates, which respond to pressure

    • B. 

      Chemical gates which respond to ligands

    • C. 

      Voltage gates which respond to electrical signals

    • D. 

      All of these

    • E. 

      None of these

  • 34. 
    In general, the nervous system is composed of 2 types of cells
    • A. 

      Motor

    • B. 

      Neurons

    • C. 

      Sensory

    • D. 

      Glial

    • E. 

      B and d

  • 35. 
    When body temperature rises, a center in the brain initiates physiological changes to decrease body temperature. This is an example of
    • A. 

      Negative feedback

    • B. 

      Positive feedback

    • C. 

      Homeostatic regulation

    • D. 

      Diagnostic regulation

    • E. 

      Disease

  • 36. 
    When adenyl cyclase is activated,
    • A. 

      Calcium ions are released from intracellular stores

    • B. 

      CAMP is formed

    • C. 

      CAMP is broken down

    • D. 

      Protein kinases are metabolized

    • E. 

      Steroids are produced

  • 37. 
    The ion that plays a key role in initiating electrical signals in neurons is
    • A. 

      K+

    • B. 

      Na+

    • C. 

      Cl-

    • D. 

      Ca2+

  • 38. 
    Which of these does not respond to extracellular signal molecules
    • A. 

      Chemically gated channel

    • B. 

      Receptor enzyme

    • C. 

      Voltage gated channel

    • D. 

      G protein

    • E. 

      Integrin

  • 39. 
    A cascade reaction is caused by
    • A. 

      Second messengers

    • B. 

      Cytosolic receptors

    • C. 

      Nuclear receptors

    • D. 

      Ligands

    • E. 

      Lipidophilic signal molecules

  • 40. 
    Which group of elements makes up more than 90% of the bodys mass
    • A. 

      O,H,Na

    • B. 

      C,Na,K

    • C. 

      O,Ca,H

    • D. 

      Ca,C,O

    • E. 

      O,C,H

  • 41. 
    Which of the following  isn NOT a functions of membrane proteins
    • A. 

      Bind to ligands

    • B. 

      Produce energy

    • C. 

      Act as transport molecules for various solutes

    • D. 

      Anchor or stabilize the cell membrane

    • E. 

      Regulate the passage of ions

  • 42. 
    Cell membranes are said to be
    • A. 

      Impermeable

    • B. 

      Freely permeable

    • C. 

      Selectively permeable

    • D. 

      Actively permeable

    • E. 

      None of these

  • 43. 
    Which body fluid compartment contains high levels of K+ andions and proteins (albumins)
    • A. 

      Plasma

    • B. 

      Interstitial fluid

    • C. 

      Intracellular fluid

    • D. 

      A and C

    • E. 

      A and B

  • 44. 
    What do active transport, phagocytosis, exocytosis and endocytosis all have in common
    • A. 

      They all require ATP

    • B. 

      They all move substances with the concentration gradient

    • C. 

      They all use small vesicles

    • D. 

      All cells use all of these forms of transport

    • E. 

      None of these

  • 45. 
    Cells may communicate with one another by/through:
    • A. 

      Transferring signal molecules to adjacent cells through gap junctions

    • B. 

      Locally acting chemicals, called paracrines, autocrines or neuromodulators

    • C. 

      Long-distance means, which rely on combinations of electrical and chemical signals

    • D. 

      A and B

    • E. 

      A,B and C

  • 46. 
    Which of these is an example of a paracrine signal molecule?
    • A. 

      Insulin

    • B. 

      Prostaglandins

    • C. 

      CAMP

    • D. 

      Acetylcholine ACh

    • E. 

      Ca2+

  • 47. 
    Each of the following is an example of homeostasis except one.  Identify the exception
    • A. 

      Increased pressure in the aorta triggers mechanisms to lower blood pressure

    • B. 

      A rise in blood calcium levels triggers mechanisms to lower blood pressure

    • C. 

      A rise in estrogen during the menstrual cycle increasis the number of progesterone receptors in the uterus

    • D. 

      Increased blood sugar stimulates the release of a hormone from the pancreas which stimulates the liver to store blood sugar

    • E. 

      A decrease in body temperature triggers a neural response which initiates physiological changes to increase body temperature

  • 48. 
    Which brain area is considered to be the integrating center for homeostasis
    • A. 

      Hypothalamus

    • B. 

      Thalamus

    • C. 

      Pituitary gland

    • D. 

      Brain stem

    • E. 

      Medulla

  • 49. 
    Information coming into the central nervous system is transmitted along _____ neurons
    • A. 

      Afferent

    • B. 

      Sensory

    • C. 

      Efferent

    • D. 

      A and B

    • E. 

      B and C

  • 50. 
    WHich of the following are not physiological classifications of neurons
    • A. 

      Sensory

    • B. 

      Somatic motor

    • C. 

      Efferent

    • D. 

      Autonomic

    • E. 

      Dendritic

  • 51. 
    Smooth muscles
    • A. 

      Lack cross-bands of striated muscles

    • B. 

      Are the primary muscle of internal organs and tubes

    • C. 

      Include cardiac muscles

    • D. 

      A and B

    • E. 

      All of the above

  • 52. 
    What is the correct pathway for conveying electrical signals through a normal heart?1. bundle of his2.  internodal pathway3. purkinje fibers4. AV node5.  SA node6. left and right bundle branches
    • A. 

      5,2,1,6,4,3

    • B. 

      5,2,4,1,6,3

    • C. 

      4,2,5,1,6,3

    • D. 

      3,6,1,4,2,5

    • E. 

      5,4,1,6,2,3

  • 53. 
    The AV node is important because it:
    • A. 

      Directs electrical impulses from the atria to the ventricles

    • B. 

      Delays transmission of electrical impulses to the ventricles so that the atria finish their contraction

    • C. 

      Serves as the pacemaker in a healthy heart

    • D. 

      A and B

    • E. 

      A,B and C

  • 54. 
    A certain drug decreases heart rate by producing hyperpolarization in the pacemaker cells of the heart. This drug probably binds to
    • A. 

      Nicotinic receptors

    • B. 

      Muscarinic receptors

    • C. 

      Alpha adrenergic receptors

    • D. 

      Beta receptors

  • 55. 
    In cardiac muscle tissue,
    • A. 

      Ca2+ is released from the sarcoplasmic reticulum and initiates contraction

    • B. 

      Ca2+ enters the cell from extracellular fluid directly initiating contraction

    • C. 

      Ca2+ enters the cell from ECF which causes more Ca2+ to be released from the sarcoplasmic reticulum

    • D. 

      Both A and C are correct

  • 56. 
    Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptorparasympathetic tissue receptor
    • A. 

      Acetylcholine

    • B. 

      Norepinephrine

    • C. 

      Cholinergic nocotinic receptor

    • D. 

      Adrenergic receptor

    • E. 

      Cholinergic muscarinic receptor

  • 57. 
    Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptortarget receptor for preganglionic neurons
    • A. 

      Acetylcholine

    • B. 

      Norepinephrine

    • C. 

      Cholinergic nicotinic receptor

    • D. 

      Adrenergic receptor

    • E. 

      Cholinergic muscarinic receptor

  • 58. 
    Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptorreleased by all autonomic preganglionic neurons
    • A. 

      Acetylcholine

    • B. 

      Norepinephrine

    • C. 

      Cholinergic nicotinic receptor

    • D. 

      Adrenergic receptor

    • E. 

      Cholinergic muscarinic receptor

  • 59. 
    Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptorprimary sympathetic neurotransmitter
    • A. 

      Acetylcholine

    • B. 

      Norepinephrine

    • C. 

      Cholinergic nicotinic receptor

    • D. 

      Adrenergic receptor

    • E. 

      Cholinergic muscarinic receptor

  • 60. 
    Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptorsympathetic tissue receptor
    • A. 

      Acetylcholine

    • B. 

      Norepinephrine

    • C. 

      Cholinergic nicotinic receptor

    • D. 

      Adrenergic receptor

    • E. 

      Cholinergic muscarinic receptor

  • 61. 
    The motor end plate is
    • A. 

      A folded area of muscle cell membrane with Ach receptors clustered at the top of each fold

    • B. 

      The same as the neuromuscular junction

    • C. 

      The same as the synaptic cleft

    • D. 

      Formed by the membrane of enlarged axon terminals that lie on the surface of skeletal muscle cells

    • E. 

      A special fibrous matrix whose collged fibers hold the axon terminal in proper position

  • 62. 
    I f a somatic motor neuron fires an action potential then:
    • A. 

      Acetylcholine is released from the axon terminal

    • B. 

      A skeletal muscle is triggered to contract

    • C. 

      The response is always excitatory

    • D. 

      A and B

    • E. 

      A, B, and C

  • 63. 
    Most preganglionic neurons originiate in the thoracic and lumbar regions
    • A. 

      True only for the sympathetic division

    • B. 

      True only for the parasympathetic division

    • C. 

      True for both divisions

    • D. 

      False for both division

  • 64. 
    Cell bodies of preganglionic neurons are found either in the brain stem or in the sacral region of the spinal cord
    • A. 

      True only for the sympathetic division

    • B. 

      True only for the parasympathetic division

    • C. 

      True for both division

    • D. 

      False for both divisions

  • 65. 
    Releases norepinephrine at the neuroeffector synapse
    • A. 

      True only for the sumpathetic division

    • B. 

      True only for the parasympathetic division

    • C. 

      True for both divisions

    • D. 

      False for both divisions

  • 66. 
    Contains cholinergic neurons
    • A. 

      True only for the sympathetic division

    • B. 

      True only for the parasympathetic division

    • C. 

      True for both division

    • D. 

      False for both divisions

  • 67. 
    • A. 

      True only for the sympathetic division

    • B. 

      True only for the parasympathetic division

    • C. 

      True for both divisions

    • D. 

      False for both divisions

  • 68. 
    ATP is necessary for each of the following mechanisms or functions in skeletal muscle except
    • A. 

      Sequestration of Ca2+ into the sarcoplasmic reticulum

    • B. 

      Dissociation of actin from myosin

    • C. 

      Release of Ca2+ from the sarcoplasmic reticulum

    • D. 

      Maintenance of the polarized state of the skeletal muscle membrane (sarcolemma)

  • 69. 
    In the living muscle at rest, which situation is most common
    • A. 

      The myosin head is not attached to any molecule

    • B. 

      The myosin head is weakly attached to actin myofibril

    • C. 

      The myosin head is attached to ADP and inorganic phosphate

    • D. 

      B and C

    • E. 

      None of these

  • 70. 
    The amount of light reaching the retina is controlled by the
    • A. 

      Lens

    • B. 

      Iris

    • C. 

      Optic disk

    • D. 

      Cilliary muscle

    • E. 

      More than one of these

  • 71. 
    Photoreceptors use the neurotransmitter
    • A. 

      Acetylcholine

    • B. 

      Norepinephrine

    • C. 

      Glutamate

    • D. 

      Dopamine

  • 72. 
    The pupose of transverse tubules is to:
    • A. 

      Ensure a supply of Ca2+ ions through the muscle fiber

    • B. 

      Rapidly conduct action potentials to the interior of the muscle fiber

    • C. 

      Ensure a supply of glycogen throughout the muscle sarcoplasm

    • D. 

      Conduct ATP molecules out of the mitochondria throughout the sarcoplasm

    • E. 

      All are true

  • 73. 
    ________ is made of multiple globular molecules polymerized to form long chains or filaments
    • A. 

      Actin

    • B. 

      Tropomyosin

    • C. 

      Troponin

    • D. 

      Myosin

    • E. 

      Titin

  • 74. 
    Most of the time the parallel thick and thin filaments of the myofibrils are connected by _____ that span the space between the parallel thick and thin filaments
    • A. 

      Tropomyosin molecules

    • B. 

      Crossbridges

    • C. 

      Nebulin molecules

    • D. 

      Sarcomeres

    • E. 

      Calcium ions

  • 75. 
    The I band contains
    • A. 

      Thick filaments

    • B. 

      Thin filaments

    • C. 

      An area of overlappng filaments

    • D. 

      All of these

    • E. 

      None of these

  • 76. 
    The H zone co
    • A. 

      Thick filaments

    • B. 

      Thin filaments

    • C. 

      An area of overlapping filaments

    • D. 

      All of these

    • E. 

      None of these

  • 77. 
    Which statement is true
    • A. 

      As the sarcomere shortens the two Z disks at each end move closer together and the I band and H band virtually disappear

    • B. 

      The thin actin filaments slide along the thick myosin filaments as they move toward the M line in the center of the sarcomere

    • C. 

      When a muscle contracts, myosin molecules coil up like springs to shorten the length

    • D. 

      A and B

    • E. 

      A, B and C

  • 78. 
    When acetylcholine is released into the neuromuscular junction
    • A. 

      It binds to receptors which allow Na+ and K+ ions to cross the sarcolemma

    • B. 

      The muscle membrane depolarizes creating and end-plate potential

    • C. 

      Action potentials are triggered which lead to activation of the contraction cycle

    • D. 

      A and B

    • E. 

      A, B and C

  • 79. 
    Ganglia are found in a chain that runs close to the spinal cord or along the descending aorta
    • A. 

      True only for the sympathetic division

    • B. 

      True only for the parasympathetic division

    • C. 

      True for both division

    • D. 

      False for both divisions

  • 80. 
    A motor unit refers to
    • A. 

      A single notor neuron plus all the muscle fibers it innervates

    • B. 

      A single muscle fiber plus all of the motor neurons that innervate itq

    • C. 

      All of the motor neurons supplying a single muscle

    • D. 

      A pair of antagonistic muscles

    • E. 

      All of the muscles that affect the mvmt of any given joint

  • 81. 
    In cardiac muscle
    • A. 

      Calcium ions are not released from the sarcoplasmic reticulum

    • B. 

      Calcium ions do not bind to troponin molecules

    • C. 

      Calcium ions play no role in the process of contraction

    • D. 

      Some of the calcium ion required for contraction comes from outside the cell

    • E. 

      Calcium ions play an important role in repolarizing the membrane after the depolarization phase

  • 82. 
    Wchich of these cranial nerves is not involved in the PSNS
    • A. 

      CN III oculomotor

    • B. 

      CN V trigeminal

    • C. 

      CNVII facial

    • D. 

      CN IX hypoglossal

    • E. 

      CN X vagal

  • 83. 
    Each myosin head has
    • A. 

      Binding site for an ATP molecule

    • B. 

      Binding site for an actin molecule

    • C. 

      The ability to swivel when powered by ATP

    • D. 

      A nd B

    • E. 

      A, B, and C

  • 84. 
    In lviving muscle at rest which situation is most common
    • A. 

      The myosin head is not attached to any molecule

    • B. 

      The myosin head is weakly attached to actin

    • C. 

      The myosin head is attached to ADP and inorganic phosphate

    • D. 

      B and C

    • E. 

      None of these

  • 85. 
    Excitation contraction coupling refers to
    • A. 

      Acetylcholine opening ion channels

    • B. 

      The arrival of acetylcholine at the neuromuscular junction due to its exocytosis from the axon terminal

    • C. 

      The chemical and electrical events that trigger the mechanical events in a muscle fiber

    • D. 

      The enzymatic removal of acetylcholine from the synapse which can then allow relaxationto occur

    • E. 

      B and D

  • 86. 
    How many parts does a typical reflex have
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

    • E. 

      6

  • 87. 
    The brief period of time between the end of the actions potential in the mucle and the beginning of contraction is referred to as the
    • A. 

      Refractory period

    • B. 

      Latent period

    • C. 

      Relaxation phase

    • D. 

      Depolarization period

    • E. 

      Repolarization period

  • 88. 
    Muscle spindles
    • A. 

      Are found in skeletal muscle

    • B. 

      Consist of specialized fibers called intrafusal fibers

    • C. 

      Help prevent muscle damage that would result from overstretching

    • D. 

      Are regulated by specialized motor neurons

    • E. 

      All of these

  • 89. 
    Short tem memory is associated with the
    • A. 

      Hippocampus in the temporal lobe

    • B. 

      Cerebellum

    • C. 

      Prefrontal cortex

    • D. 

      Association areas of the parietal lobe

  • 90. 
    Problem solving, planning and working memory functions are found in the
    • A. 

      Hippocampus in the temporal lobe

    • B. 

      Cerebellum

    • C. 

      Prefrontal cortex

    • D. 

      Association areas of the parietal lobe

  • 91. 
    With the exception of olfaction, all sensory pathways first travel to the _____ which acts as a relay and processing station
    • A. 

      Cerebrum

    • B. 

      Thalamus

    • C. 

      Cerebellum

    • D. 

      Hypothalamus

    • E. 

      Medulla oblangata

  • 92. 
    The larger the receptive field,
    • A. 

      The larger the stimulus needed to stimulate a sensory receptor

    • B. 

      The more sensory receptors it includes

    • C. 

      The harder it is to discriminate the exact point of stimulation

    • D. 

      The larger the area of the somatosensory cortex in the brain that deals with the area

    • E. 

      All of the above

  • 93. 
    Tonic receptors
    • A. 

      Are slowly adapting receptors

    • B. 

      Fire sapidly when first activated, then slow and stop firing even with a continuing stimulus

    • C. 

      Are activated by parameters that must be continuously monitored by the body

    • D. 

      Are proprioceptors, for example

    • E. 

      A, C and D

  • 94. 
    Phasic receptors
    • A. 

      Are rapidly adaptive receptors

    • B. 

      Cease firing unless the strength of the stimulus remains constant

    • C. 

      Are not attuned to changes in a parameter

    • D. 

      Are pressure sensitive baroreceptors for example

    • E. 

      A,B, and D

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