Anatomy and Physiology

    Chemistry for Physiology
    What may be said of isotonic solutions? They have:
    Choice A is incorrect as a mole of an ionic substance will result in 2 or 3 osmoles of dissolved particles. (Choices B and C are incorrect.)
    Author: rikazzz Comment
    Cardiovascular System
    Which tissue is supplied with blood via the coronary arteries?
    The heart (myocardium) is supplied by the coronary circulation.
    Author: rikazzz Comment
    Nervous System
    What is the name of the lobe of the brain that is immediately superior to the cerebellum?
    The cerebellum nestles into the cerebrum immediately inferior to the occipital lobe.
    Author: rikazzz Comment
    Endocrine System
    Complete the following sentence correctly. The hypothalamus:
    The hypothalamus integrates the nervous and endocrine systems of body control.
    Author: rikazzz Comment
    Cardiovascular System
    Which of the following is a class of antihypertensive medication which specifically target a reduction in blood volume?
    Diuretics promote the production of urine – which is filtered from blood. Hence blood volume decreases as more urine is produced.
    Author: rikazzz Comment
    Nervous System
    Two ways that cells can communicate within the body are by synaptic communication or by endocrine communication. A difference between the two is:
    A synapse is a communication between one cell and another adjacent cell, separated only by the synaptic cleft.
    Author: rikazzz Comment
    Chemistry for Physiology
    Which of the following best describes the electrolytes that are dissolved in blood?
    The term electrolyte is applied to any species of dissolved particle that has an electric charge.
    Author: rikazzz Comment
    Renal System
    Which of the following may be said of the renal medulla?
    The medulla is deep to the cortex. In this region are many blood vessels (in the columns) and the collecting ducts (in the pyramids).
    Author: rikazzz Comment
    Chemistry for Physiology
    Lactose is a sugar with a molecular formula C12H22O11. Given that the atomic weights are C = 12, H = 1 and O = 16, what is the weight of 1 mol of lactose?
    Mass of 1 mol of lactose = (12 × 12) + (22 × 1) + (11 × 16) = 144 + 22 + 176 = 342 g.
    Author: rikazzz Comment
    Respiratory System
    During inhalation, air passes through the four listed structures. Which list has them in the correct order?
    The meatus are the air passages behind the nostrils (external nares), and the choanae (internal nares) are at the start of the pharynx, while the larynx starts at the epiglottis.
    Author: rikazzz Comment