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Exam 1 Practice

Quiz by Endia Reid

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17 questions
Show answers
  • Q1
    Which apparatus is commonly used to study brain activity?
    Electroencephalogram (EEG)
    Sphygmomanometer
    Spirometer
    Pulse oximeter
    30s
  • Q2
    Which apparatus is commonly used to study heart activity?
    Electrocardiogram (ECG)
    Spirometer
    Pulse oximeter
    Sphygmomanometer
    30s
  • Q3
    What is the main physiological basis of fMRI?
    Brain Electrical Activity Signal (BEAS)
    Blood Oxygen Level Dependent (BOLD) signal
    Blood Oxygen Level Dependent (BOLD) signal
    Muscle Oxygen Saturation Signal (MOSS)
    Cellular Metabolic Signal (CMS)
    30s
  • Q4
    What is the typical resting membrane potential of a neuron?
    0 mV
    -50 mV
    -70 mV
    -30 mV
    30s
  • Q5
    Which ion primarily contributes to the resting membrane potential of a neuron?
    Calcium (Ca2+)
    Sodium (Na+)
    Potassium (K+)
    Chloride (Cl-)
    30s
  • Q6
    What is the role of the blood-brain barrier in the nervous system?
    To protect the brain from harmful substances and maintain a stable environment.
    To control voluntary muscle movements.
    To transport oxygen to the brain.
    To regulate the production of neurotransmitters.
    To facilitate communication between neurons.
    30s
  • Q7
    What is the function of the cerebrospinal fluid (CSF) in the nervous system?
    To cushion and protect the brain and spinal cord.
    To transmit electrical signals between neurons.
    To produce and release neurotransmitters.
    To regulate body temperature.
    To provide structural support for the nervous system.
    30s
  • Q8
    What is the function of the dura mater in the nervous system?
    To transmit electrical signals between neurons.
    To produce and release neurotransmitters.
    To provide a tough outer layer of protection.
    To provide structural support for the brain and spinal cord.
    To regulate body temperature.
    30s
  • Q9
    What is the function of neurotransmitters in the nervous system?
    Neurotransmitters are responsible for muscle contraction.
    Neurotransmitters regulate heart rate and blood pressure.
    Neurotransmitters help in the production of red blood cells.
    Neurotransmitters act as chemical messengers, transmitting signals between neurons.
    30s
  • Q10
    What is the role of the myelin sheath in the transmission of nerve impulses?
    The myelin sheath provides nutrients to the neuron.
    The myelin sheath inhibits the transmission of nerve impulses.
    The myelin sheath serves to insulate and speed up the transmission of nerve impulses.
    The myelin sheath protects the neuron from external stimuli.
    30s
  • Q11
    What are the different structures of a synapse?
    Liver, Kidneys, and Lungs
    Dendrites, Axons, and Synaptic Cleft
    Femur, Tibia, and Fibula
    Nucleus, Golgi Apparatus, and Mitochondria
    30s
  • Q12
    What is the role of neurotransmitters in a synapse?
    Providing structural support to neurons
    Regulating blood flow in the body
    Facilitating communication between neurons
    Generating electrical impulses in the brain
    30s
  • Q13
    Which neurotransmitter is commonly associated with feelings of happiness and pleasure?
    Serotonin
    Dopamine
    GABA
    Acetylcholine
    30s
  • Q14
    What is the main function of a synapse?
    To regulate hormone production
    To transmit signals between neurons
    To store long-term memory
    To generate electrical impulses
    30s
  • Q15
    What is the gap between the axon terminal of one neuron and the dendrite of another neuron called?
    Nucleus
    Synaptic cleft
    Cytoplasm
    Cell membrane
    30s

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