BME F2024

Photons are most often used to create medical images. Given that a photon looses energy as it passes through the body, what quantity is detected and used to create an image?

• 
  The velocity of the photon beam

• The distance traveled by the photon

• The size of the photons

• The intensity of the photon beam

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

The brain is a sensitive organ. To perform radiotherapy on a brain tumor, a collection of smaller beams is focused onto one spot with incredible accuracy. Why does this work?

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  Surrounding tissue receives a low dose

• 
  The tumor in the focused region receives a summation of the radiation dose

• 
  The beams only affect the tumor because only the tumor is sensitive to radiation

• 
  The beams combine to create a heat that burns away the tumor

Tags

NGSS.HS-PS4-5

Stella gets a paper cut. Charles breaks his finger. What is different about the pain signals their neurons send?

• Firing Rate (Frequency of APs)

• Signal Duration (How long each AP lasts)

• Signal Strength (Amplitude of each AP)

• None of these

Neuromechanics is...

• 
  Study mechanical properties of neural
  tissue and their ability to withstand traumatic loading.

• 
  Study the combined roles of the skeletal, muscular, and nervous systems to complete a motor task.

• 
  Study which areas of the brain perform specific tasks.

• 
  Study and contrast the
  structure of the brain in patient populations in comparison with healthy controls.

Tissue Engineering and Regenerative Medicine encompasses many different areas. What are some ways that researchers innovate in this field?

• Developing biodegradable scaffolds to support tissue growth

• • Using stem cells to regenerate damaged tissues

• • Designing biomaterials that promote cellular adhesion and growth

• • Developing tissues that grow indefinitely without the need for nutrients

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NGSS.HS-LS1-4

What is a key principle of regenerative medicine?

• • To replace damaged tissues with synthetic materials that do not integrate with the body

• • To enhance tissue function by adding non-biological elements that take over cellular processes

• • To promote the body's natural ability to heal and regenerate damaged tissues

• • To permanently prevent the body's immune system from interacting with newly engineered tissues

Tags

NGSS.HS-LS1-4

Biomechanics vs Bionics

• • Biomechanics primarily concerned with understanding the motion, structure, and function of biological systems, using concepts from mechanics, such as force, torque, and energy.

• • Bionics primarily concerned with understanding the motion, structure, and function of biological systems, using concepts from mechanics, such as force, torque, and energy.

• Biomechanics bridges biology and technology, especially in creating devices or systems that can replace or enhance biological functions, such as artificial limbs, organs, or neural interfaces.

• • Bionics bridges biology and technology, especially in creating devices or systems that can replace or enhance biological functions, such as artificial limbs, organs, or neural interfaces.

Tags

NGSS.HS-ETS1-3

Movement is controlled by muscles, which in turn are controlled by nerves. How would you restore movement control if you want to make a prosthetic but cannot access nerves?

• Use electromyography (EMG) to detect muscle signals and control the prosthetic

• • Use infrared light to communicate directly with muscles

• • Implant microchips into bones to generate movement

• • Utilize sound waves to stimulate muscle contractions

Tags

NGSS.HS-ETS1-3

One of these is the definition of modeling, the other is the definition of data science. Which one is data science?

• an interdisciplinary field that uses scientific methods, processes, algorithms, and systems to extract or extrapolate knowledge and insights from noisy, structured, and unstructured data, and apply knowledge from data across a broad range of application domains.

• representation of a person or thing or of a proposed structure, typically on a smaller scale than the original.

Tags

NGSS.HS-ETS1-4

In cellular and molecular engineering, what scale are we typically working with?

• Human Body

• Cells and Macromolecules

• Organs

• Atoms

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-4