Nervous System

    Nervous System
    Which one of the following statements is INCORRECT?
    The fluid (aqueous humour) in the anterior chamber is not a lens.
    Author: rikazzz Comment
    Nervous System
    An epidural block involves injecting anaesthetic into the epidural space. What is the main reason for this?
    The epidural space contains adipose tissue and spinal nerves passing through this space. Injecting anaesthetic into this space anaesthetises (blocks) the nearby spinal nerves.
    Author: rikazzz Comment
    Nervous System
    The nervous system is divided into two divisions. What are they called?
    The central nervous system and the peripheral nervous system are the two divisions.
    Author: rikazzz Comment
    Nervous System
    What can correctly be said about somatic motor neurons?
    Somatic motor neurons are multipolar. Their cell bodies are located in the CNS – within the spinal cord.
    Author: rikazzz Comment
    Nervous System
    What is the depolarisation and repolarisation of a nerve cell membrane called?
    Depolarisation of the resting membrane potential leads to an action potential.
    Author: rikazzz Comment
    Nervous System
    What is found in the epidural space?
    The epidural space is on top of (or outside of) the dura mater. It is the space between the spinal cord and the vertebrae. It contains adipose tissue.
    Author: rikazzz Comment
    Nervous System
    What part of the brain contains the motor areas and the sensory areas?
    The central sulcus of the cerebrum separates the gyri containing the primary motor area in the frontal lobe and the primary sensory areas in the parietal lobes.
    Author: rikazzz Comment
    Nervous System
    In which of the following places would you NOT find cerebrospinal fluid?
    The epidural space surrounds the dura mater of the spinal cord and so is outside of the meninges and of the CNS. “Epi-” means on top of the dura.
    Author: rikazzz Comment
    Nervous System
    One of the following structures is part of a “special sense”. That is, it is NOT a receptor for the general senses. Which one is it?
    Special senses are those that are localised to a particular organ. The semi-circular canals of the inner ear are part of our special sense of equilibrium. “Touch” (fingers) is not a special sense as all parts of the integument are sensitive to touch.
    Author: rikazzz Comment
    Nervous System
    Which of the following is NOT indicative of the stimulation of the parasympathetic system?
    The parasympathetic division is not involved in vasoconstriction or dilation of skeletal muscle blood vessels.
    Author: rikazzz Comment