Anatomy and Physiology

    Endocrine System
    What effect does aldosterone have?
    Aldosterone cases reclamation of sodium ions from the filtrate and potassium to be secreted in exchange.
    Author: rikazzz Comment
    Cardiovascular System
    Which name is NOT applied to the valve between the left ventricle and the left atrium?
    The left atrioventricular valve is not a semilunar valve.
    Author: rikazzz Comment
    The Physics of Waves: Light Waves, Sound Waves and Ultrasound
    Which of the following types of electromagnetic radiation is most likely to be responsible for the incidence of skin cancers?
    While UVC has higher energy than UVB and therefore is potentially more damaging, however, UVC does not reach the ground as it does not penetrate the Earth’s atmosphere.
    Author: rikazzz Comment
    Cardiovascular System
    The valve between the atrium and the ventricle that pumps oxygenated blood is called:
    The left side of the heart pumps oxygenated blood, the mitral valve is the one.
    Author: rikazzz Comment
    Endocrine System
    Blood calcium levels are controlled by hormones from which structures?
    Parathyroid glands secrete parathyroid hormone (to increase blood Ca level), while the parafollicular cells of the thyroid produce calcitonin which aids in lowering blood Ca.
    Author: rikazzz Comment
    Cardiovascular System
    To which of the following would the term “white cell” NOT be applied?
    An erythrocyte is a red blood cell.
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    Cardiovascular System
    Which of the following is a statement of Boyle’s law?
    Boyle’s law relates pressure in a gas to its volume.
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    Cells and Tissues
    Which of the following is NOT found in the plasma membrane?
    Endoplasmic reticulum is an organelle and found within the cell.
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    Chemistry for Physiology
    In the vascular compartment of the body, what is the solvent?
    All these things are in the vascular compartment, but water is the solvent.
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    Cardiovascular System
    In haemostasis, which molecule polymerises to become the insoluble blood clot?
    Fibrin is a monomer that polymerises to form a “soft clot”, and then crosslinking between fibrin produces a stable, web-like “hard clot”.
    Author: rikazzz Comment