Anatomy and Physiology

    Respiratory System
    Recall Boyle’s law applied to the lungs. Which of the following would occur as air pressure in the lungs increases?
    As the diaphragm contracts, the lungs expand and their volume increases. All these things are inconsistent with increased air pressure in the lungs.
    Author: rikazzz Comment
    Respiratory System
    What term refers to the exchange of gases between alveolar air and blood in the pulmonary capillaries?
    This is external respiration as it is an exchange that occurs with the atmosphere outside the body.
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    Chemistry for Physiology
    If a solution is shown to be able to conduct electricity, then what is true?
    A dissolved electrolyte will ensure that ions are in solution and the solution will conduct electricity as these ions are free to move through the solution.
    Author: rikazzz Comment
    Ionising Radiation
    A radiopharmaceutical is comprised of two components. These are:
    A radiopharmaceutical requires a gamma-emitting nuclide and a non- radioactive carrier to transport the radionuclide to the organ(s) of interest. Most often Tc99m (not Tc99) is used.
    Author: rikazzz Comment
    Skeleton and Joints
    Where does the increase in the length of a long bone take place? At the:
    Bone is deposited on the side of the plate that is distal to the epiphysis, while bone is removed from the proximal side. In this way the diaphysis increases in length (and is remodelled).
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    Cardiovascular System
    One of the following is a vasodilator. Which one?
    ANP causes a decrease in BP and vasodilation is one of the ways by which this is achieved.
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    Chemistry for Physiology
    The extracellular fluid compartment consists of which of the following?
    Vascular and interstitial liquids must be included.
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    Gastrointestinal System
    Monosaccharides are the product of digestion of what substance?
    Carbohydrates are composed of many monosaccharide units.
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    Cardiovascular System
    Which of the following is a statement of Henry’s law?
    Henry’s law relates the amount of gas that will dissolve in a liquid to its partial pressure (or pressure).
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    Skeleton and Joints
    What is the function of the sella turcica of the sphenoid bone?
    The sella turcica (latin for Turkish saddle) is a small depression of the sphenoid bone into which fits the pituitary gland.
    Author: rikazzz Comment