Ventilation: inhalation and expiration

Descrição

International Baccalaureate Biology (Ventilation) Quiz sobre Ventilation: inhalation and expiration, criado por Lauren Parker em 09-05-2021.
Lauren Parker
Quiz por Lauren Parker, atualizado more than 1 year ago
Lauren Parker
Criado por Lauren Parker aproximadamente 3 anos atrás
4
0

Resumo de Recurso

Questão 1

Questão
Inhalation: 1. Diaphragm in a [blank_start]relaxed[blank_end] state is domed. When it contracts, it [blank_start]shortens[blank_end] and [blank_start]flattens[blank_end]. 2. [blank_start]External[blank_end] intercostal muscles contract and pull on ribs - lifted up and out.
Responda
  • relaxed
  • shortens
  • flattens
  • External

Questão 2

Questão
After inhalation, the thoracic cavity will decrease in volume
Responda
  • True
  • False

Questão 3

Questão
As the the volume of the thoracic cavity increases, air pressure decreases.
Responda
  • True
  • False

Questão 4

Questão
If the thoracic cavity has a lower air pressure then...
Responda
  • air moves into the lungs down the pressure gradient
  • air moves out of the lungs down the pressure gradient
  • air moves into the lungs up the pressure gradient
  • air moves out of the lungs up the pressure gradient

Questão 5

Questão
Exhalation: 1. Diaphragm [blank_start]relaxes[blank_end] and rises. 2. The [blank_start]external[blank_end] intercostals relax and internal intercostals [blank_start]contract[blank_end]. 3. The volume of the thoracic cavity [blank_start]decreases[blank_end].
Responda
  • relaxes
  • external
  • contract
  • decreases

Questão 6

Questão
As the volume of the thoracic cavity decreases, air pressure decreases.
Responda
  • True
  • False

Questão 7

Questão
As the air pressure in the thoracic cavity increases, air is forced out down the pressure gradient.
Responda
  • True
  • False

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