Emulsion Quiz
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Questions and Answers

In an oil-in-water emulsion, which is the dispersed phase?

  • Water
  • Oil (correct)
  • Neither is a dispersed phase
  • Both are dispersed phases

What term should be used when both phases in a colloidal system are liquids?

  • Colloid
  • Dispersion
  • Emulsion (correct)
  • Solution

What is an emulsion?

  • A solid-liquid mixture
  • A type of gas-liquid mixture
  • A mixture of two or more miscible liquids
  • A mixture of two or more immiscible liquids (correct)

What type of structure do emulsions exhibit?

<p>They do not exhibit a static internal structure (C)</p> Signup and view all the answers

What are some examples of emulsions?

<p>Vinaigrettes, homogenized milk, liquid biomolecular condensates (A)</p> Signup and view all the answers

What is the difference between an emulsion and a colloid?

<p>An emulsion should be used when both phases, dispersed and continuous, are liquids, while colloids are a more general class of two-phase systems of matter.</p> Signup and view all the answers

What are the two types of emulsions formed by oil and water?

<p>Oil and water can form an oil-in-water emulsion, with the oil as the dispersed phase, and water as the continuous phase, and a water-in-oil emulsion, with water as the dispersed phase and oil as the continuous phase.</p> Signup and view all the answers

What is the term used to refer to the photo-sensitive side of photographic film?

<p>The term &quot;emulsion&quot; is used to refer to the photo-sensitive side of photographic film.</p> Signup and view all the answers

What are some examples of multiple emulsions?

<p>Multiple emulsions include a &quot;water-in-oil-in-water&quot; emulsion and an &quot;oil-in-water-in-oil&quot; emulsion.</p> Signup and view all the answers

What are some examples of products that are emulsions?

<p>Examples of emulsions include vinaigrettes, homogenized milk, liquid biomolecular condensates, and some cutting fluids for metal working.</p> Signup and view all the answers

What is the dispersed phase in a water-in-oil emulsion?

<p>Water (D)</p> Signup and view all the answers

Which type of emulsion includes a 'water-in-oil-in-water' configuration?

<p>Multiple emulsions (A)</p> Signup and view all the answers

What type of structure do emulsions exhibit?

<p>Static internal structure (A)</p> Signup and view all the answers

Which term refers to the photo-sensitive side of photographic film?

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

What are some examples of products that are emulsions?

<p>Honey and butter (D)</p> Signup and view all the answers

What is the function of the peripheral nervous system?

<p>Transmitting signals between the central nervous system and the rest of the body, and coordinating the body's response to stimuli.</p> Signup and view all the answers

What are the two main divisions of the peripheral nervous system?

<p>Somatic and autonomic nervous systems.</p> Signup and view all the answers

What is the role of sensory receptors in the peripheral nervous system?

<p>They detect various stimuli such as touch, pressure, temperature, pain, and sound.</p> Signup and view all the answers

Where does the neuromuscular junction occur?

<p>It occurs where a motor neuron's axon terminates and releases neurotransmitters to activate receptors on muscle fibers.</p> Signup and view all the answers

What are peripheral nerves made up of?

<p>Nerve fibers, which are long, thin extensions of nerve cells.</p> Signup and view all the answers

What are the three main functions of the Peripheral Nervous System?

<p>Sensory function, motor function, autonomic function</p> Signup and view all the answers

Give an example of a disorder that affects the roots of the peripheral nerves.

<p>Radiculopathies</p> Signup and view all the answers

What are some symptoms of peripheral neuropathies?

<p>Weakness, numbness, pain</p> Signup and view all the answers

What process does the autonomic function of the PNS regulate?

<p>Regulates the functioning of internal organs and glands</p> Signup and view all the answers

What is responsible for the rapid, automatic responses to stimuli, such as withdrawing the hand from a hot surface?

<p>Reflex Arc</p> Signup and view all the answers

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