Anatomy and Physiology

    Nervous System
    Which organisational entity of the brain is divided into an afferent and an efferent division?
    The peripheral nervous system has afferent neurons that carry sensory information to the brain and efferent neurons that carry motor information from the brain to the body.
    Muscles
    Skeletal muscle cells can be characterised as:
    Being multinucleate (and voluntary) distinguishes skeletal muscle cells from smooth; being voluntary distinguishes skeletal muscle from cardiac muscle cells.
    Gastrointestinal System
    Which of the following gut structures are listed in the correct order that food would pass through them, from input to exit?
    Jejunum is before the ileum; food does not pass through the pancreas; duodenum is before the ileum.
    Nervous System
    Where in the brain is the “primary motor area”?
    The precentral gyrus of the frontal lobe is the primary motor area of the brain and is separated from the primary sensory area (the postcentral gyrus), by the central sulcus.
    Nervous System
    What structures are included in the diencephalon?
    The structures of the diencephalon are the thalamus, hypothalamus, pineal and posterior pituitary glands. The anterior pituitary is glandular epithelial tissue rather than nervous tissue so is not part of the brain. The third ventricle is surrounded by the thalamus but contains no brain tissue. The mammillary body is part of the hypothalamus.
    Reproductive System
    Male sterilisation (vasectomy) involves the cutting of which tube?
    Vasectomy involves removing a piece of the ductus deferens (vas deferens) from a site within the scrotum.
    Ionising Radiation
    What does the term ionising radiation refer to?
    If the radiation produces ions when it interacts with any substance, then it is ionising radiation. Choice B is true but does not include particulate radiation. Choice C is true but does not include x-rays or cosmic rays.
    Nervous System
    For which condition is a hearing aid most successful at treating?
    Conductive loss is used to describe the situation where sound is not conducted well to the inner ear, which is otherwise healthy. The other three choices are different names for the same thing which is damage to the cochlea or auditory nerve.
    Integument
    Which is a notable feature of the stratum corneum layer of the integument? It:
    This property makes the skin a barrier between the internal body and the environment.
    Nervous System
    Visual stimuli travel from the eyes to the part of the brain that interprets them via the “visual pathway”. Which of the following list of structures is the pathway in correct order from the eyes?
    The optic nerves leave the eyes and the signal eventually reaches the primary visual cortex in the occipital lobe.