Introduction to Biophysics
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Questions and Answers

What serves for the control and operation of nerves, muscles, and organs within the body?

  • Magnetic fields
  • Chemical signals
  • Generated electricity (correct)
  • Heat energy

What is the primary focus of Biophysics?

  • Applying theories and methods of physics to biological systems (correct)
  • Studying the electrical properties of the nervous system
  • Developing new drugs and biomaterials
  • Researching radiotherapy and medical imaging

Which part of the nervous system transmits sensory information to the brain?

  • Sensory somatic nervous system (correct)
  • Autonomic nervous system
  • Central nervous system
  • Motor nerves

What does the autonomic nervous system primarily control?

<p>Internal organs such as the heart, intestines, and glands (B)</p> Signup and view all the answers

Which field is NOT mentioned as an active field of research in Biophysics?

<p>Genetic engineering (A)</p> Signup and view all the answers

Which of the following is a main classification of Radiation?

<p>Non-ionizing radiation (D)</p> Signup and view all the answers

What is the mass of a neutron?

<p>1.008986 amu (B)</p> Signup and view all the answers

Which particle has a charge of +1?

<p>Proton (P) (C)</p> Signup and view all the answers

Where do ionizing radiation come from?

<p>Radioactive elements (radionuclides) (B)</p> Signup and view all the answers

Why do the nuclei emit radiation?

<p>To reach stability by getting rid of excess energy (C)</p> Signup and view all the answers

Flashcards

Biophysics focus

Applying physics to biological systems.

Sensory info transmission

Sensory somatic nervous system carries sensory info to brain.

Autonomic NS control

Controls internal organs (heart, intestines, glands).

Body control method

Generated electricity controls nerves, muscles, and organs.

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Neutron mass

1.008986 atomic mass units (amu).

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Proton charge

+1

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Ionizing radiation source

Radioactive elements (radionuclides) produce ionizing radiation.

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Radiation types

One type is non-ionizing radiation.

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Nucleus radiation reason

Nuclei emit radiation to gain stability by losing excess energy.

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