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L3,4 Neural and chemical control of breathing

Lecture video 


Data

Questions 

Q1- Dorsal respiratory group neurons are
a- Inspiratory only
b- Inspiratory and expiratory
c- Expiratory only
d- None of the above

Q2- b- Ventral respiratory group (VRG):
a- Inspiratory only
b- Inspiratory and expiratory
c- Expiratory only
d- None of the above

Q3- which is responsible for rhythmic respiration
a- Dorsal respiratory group
b- Ventral respiratory group
c- Pneumotaxic center
d- Apneustic center

Q4- which is responsible for normal respiration
a- Dorsal respiratory group
b- Ventral respiratory group
c- Pneumotaxic center
d- Apneustic center

Q5- which chemical factor has the upper hand in regulation of respiration
a- Pco2
b- Po2
c- H+
d- None of the above.

Q6- main stimuli for central chemoreceptors is:
a- Pco2
b- Po2
c- H+
d- None of the above.

Q7- main stimuli for peripheral chemoreceptors is:
a- Pco2
b- Po2
c- H+
d- None of the above.

Q8- O2 lack until which level don’t do effect on respiration
a- 60mg
b- 30mg
c- 20mg
d- 10mg

Q9- O2 lack until which level make respiration increase up to 6 times:
a- 60mg
b- 30mg
c- 20mg
d- 10mg

Q10- O2 lack until which level make inhibition of respiration
a- 60mg
b- 30mg
c- 20mg
d- 10mg

Q11- Normally, CO2 content in inspired air =
a- .03-0.04%
b- 0.3-0.4%
c- 3-4%
d- None of the above

Q12- when CO2 content in inspired air increase up to 10& RMV increase up to
a- 10 times
b- 15 time
c- 20 times
d- 30 times

Q13- which stimulates respiratory center
a- Respiratory acidosis
b- Respiratory alkalosis
c- Metabolic acidosis
d- Metabolic alkalosis

Q14-what type of respiration is done with sever pain
a- Rapid respiration
b- Slow respiration
c- Deep respiration
d- Shallow respiration

Q-15 which receptor is stimulated by pulmonary congestion
a- J receptor
b- Stretch lung receptor
c- lung irritant receptors
d- Arterial baroreceptors

Q16- skeletal muscle afferent is
a- Vagus
b- Glossopharyngeal
c- Trigeminal
d- Somatic

Answers

1-A
2-B
3-A
4-C
5-A
6-A
7-B
8-A
9-B
10-C
11-A
12-A
13-A
14-B
15-A
16-D

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