
Mechanics of Breathing Quiz
Interactive Video
•
Other
•
9th - 12th Grade
•
Easy
Michael Ochoa
Used 3+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What initiates the process of inspiration?
Contraction of the abdominal muscles
Contraction of the diaphragm
Expansion of the thoracic cavity
Relaxation of the diaphragm
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which muscles are primarily responsible for the process of inspiration?
Latissimus dorsi and trapezius
Internal intercostals and abdominal muscles
External intercostals and diaphragm
Serratus anterior and pectoralis minor
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How do the external intercostals contribute to inspiration?
By pulling the ribs upward and outward
By pulling the ribs downward
By compressing the abdominal cavity
By decreasing the volume of the thoracic cavity
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the effect of the diaphragm's contraction on the thoracic cavity?
It increases the volume of the thoracic cavity
It only affects the abdominal cavity
It decreases the volume of the thoracic cavity
It has no effect on the volume
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the role of the phrenic nerve in breathing?
It stimulates the abdominal muscles to contract
It innervates the diaphragm, causing it to contract
It controls the external intercostals
It decreases the volume of the thoracic cavity
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What triggers the contraction of the external intercostals?
Increase in intrapleural pressure
Automatic reflexes from the spinal cord
Decrease in atmospheric pressure
Signals from the cerebral cortex
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the primary function of the ventral respiratory group in the medulla?
To increase the volume of the thoracic cavity
To stimulate the contraction of abdominal muscles
To decrease the rate of breathing
To regulate the rhythm of breathing
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