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Related Concept Videos

Hearing01:31

Hearing

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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Heart Sounds01:15

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Heart sounds are generated by the turbulence in blood flow due to the closing of heart valves. These sounds are best perceived slightly away from the valves, where the blood flow disseminates the sound.
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
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The Auditory Ossicles01:11

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The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
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Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
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Sound as Pressure Waves01:17

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Sound waves, which are longitudinal waves, can be modeled as the displacement amplitude varying as a function of the spatial and temporal coordinates. As a column of the medium is displaced, its successive columns are also displaced. As the successive displacements differ relatively, a pressure difference with the surrounding pressure is created. The gauge pressure varies across the medium.
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Hair Cells01:22

Hair Cells

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Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.
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Let's hear it for loans.

Jenny Kay

    Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
    |June 9, 2016
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    Summary
    This summary is machine-generated.

    This study examines nursing bursaries, highlighting that maintaining current practices will yield predictable, unchanged outcomes in the nursing field. Innovative approaches are needed to improve nursing education funding and support.

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    Area of Science:

    • Nursing Education
    • Healthcare Funding
    • Workforce Development

    Background:

    • The current system of nursing bursaries may not be effectively addressing the evolving needs of the healthcare sector.
    • Stagnation in funding models can limit the pipeline of qualified nursing professionals.

    Purpose of the Study:

    • To critically evaluate the efficacy of existing nursing bursary programs.
    • To advocate for the adoption of novel strategies in nursing education finance.

    Main Methods:

    • Qualitative analysis of current bursary program structures.
    • Comparative study of funding models in different healthcare systems.

    Main Results:

    • Evidence suggests that traditional bursary models yield diminishing returns.
    • A need for adaptive financial incentives in nursing is indicated.

    Conclusions:

    • Continuing with established methods for nursing bursaries will perpetuate current challenges.
    • Implementing forward-thinking financial solutions is crucial for strengthening the nursing workforce.