Nathan  Butler
Quiz by , created more than 1 year ago

Quiz on Topic 2- Genes and Health (Biology), created by Nathan Butler on 19/02/2017.

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Nathan  Butler
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Topic 2- Genes and Health (Biology)

Question 1 of 8

1

What is the purpose of mucus?

Select one of the following:

  • To trap dust and other microorganisms.

  • Maintain rhythm like gas exchange.

  • Ensure transport of ions.

Explanation

Question 2 of 8

1

What is the properties of mucus in a person struggling with CF?

Select one of the following:

  • Mucus is runnier

  • Mucus contains segments of blood

  • Mucus is stickier

Explanation

Question 3 of 8

1

What is the purpose of cilia in the lungs?

Select one of the following:

  • Dissable pathogens.

  • keep the lungs clean

  • Regulate blood flow

Explanation

Question 4 of 8

1

How do cilia fulfill it's purpose?

Select one of the following:

  • Using enzymes present in the epithelial cells.

  • by beating and moving substances along the tube they line.

  • inflating and deflating, propelling durt through open pores.

Explanation

Question 5 of 8

3

What are they three types of epithelial cells?

Select one or more of the following:

  • squamous

  • cubodial

  • spherical

  • columnar

Explanation

Question 6 of 8

5

Fill the blank spaces to complete the text.

Mucus lines the airways in the lungs. Mucus traps and . Mucus is removed by the in a wave like motion. A person with CF struggles with mucus. This mucus is to remove by the cilia.

Explanation

Question 7 of 8

4

Fill the blank spaces to complete the text.

The stickier the mucus, the more the mucus builds up. Thus the distance at which substances diffuse through. In turn the rate of diffusion and making gas exchange efficient.

Explanation

Question 8 of 8

1

White blood cells fight infection however how do they cause a problem in a person struggling with CF (in terms of mucus)?

Select one of the following:

  • When white blood cells die they break down and release Dna which makes the mucus even sticker.

  • when white blood cells come into contact with mucus then release antibodies which break down the epithelial cells.

  • White blood cells And sodium present in the mucus react triggering mitosis.

Explanation