Nervous System

    Nervous System
    When their neurotransmitter binds to them, which of the following receptors is always stimulatory?
    Nicotinic receptors when bound by ACh are always stimulatory.
    Author: rikazzz Comment
    Nervous System
    There is a space between a neuron and the cell it stimulates that is crossed by a neurotransmitter. What is it called?
    The synaptic cleft lies between the presynaptic membrane of the neuron and the postsynaptic membrane of the cell about to be stimulated.
    Author: rikazzz Comment
    Nervous System
    The precentral gyrus is the area of brain which houses:
    This gyrus (outfold) is immediately anterior to the central sulcus (infold).
    Author: rikazzz Comment
    Nervous System
    In which part of the brain is the thalamus found?
    The thalamus, along with the hypothalamus, pituitary gland and pineal gland, forms the diencephalon.
    Author: rikazzz Comment
    Nervous System
    Which of the following statements about the blood-brain barrier is TRUE? It:
    The BBB does not prevent lipid-soluble toxins, such as alcohol and nicotine, from entering the brain.
    Author: rikazzz Comment
    Nervous System
    Where is the autonomic control centre for most of body homeostasis located?
    Hypothalamus is the autonomic centre which is the main visceral control centre of body homeostasis.
    Author: rikazzz Comment
    Nervous System
    The hypothalamus does ALL of the following EXCEPT one. Which one?
    Rigidly programmed automatic behaviours are controlled by the brainstem (midbrain, pons, medulla oblongata) not the hypothalamus.
    Author: rikazzz Comment
    Nervous System
    What name is used for a nerve cell?
    Neurons (or neurones) are nerve cells. Neuroglia are cells in the nervous system but they do not produce nerve impulses.
    Author: rikazzz Comment
    Nervous System
    What do neurones in the precentral gyrus do?
    The precentral gyrus is the primary motor area. It allows conscious control over skeletal muscle movement.
    Author: rikazzz Comment
    Nervous System
    Which of the following is correct when stated about multipolar neurons?
    Choice B refers to bipolar neurons. Choice C refers to sensory neurons. Choice D refers to unipolar neurons.
    Author: rikazzz Comment