Respiratory IP Control of Respiration Worksheet PDF

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Respiratory_IP_Control of Respiration_Worksheet W/ ANSWERS...

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Respiratory System: Control of Respiration

1 . Wh e r ei nt h eme d ul l aa r et h ene u r o nst h a ts e tt h eb a s i cr e s p i r a t or yr h y t h m? Ve nt r a lr e s pi r a t o r yg r o up( VRG) i nt heBr a i ns t e m__ _ _ _ _ _ __ _ _ _ _ _ __ 2. What is the most important stimulus controlling ventilation? _____ CO2________ 3.

What ion directly stimulates the central chemoreceptors? ____ Hydrogen_________

4.

If a person hyperventilates, what will happen to the following in the blood? a. PCO2 ____decreases_________ b. pH ______increases_______

5.

Dust, smoke, and noxious fumes will stimulate receptors in airways. Irrirant recptor Explain the protective reflexes.

The s er e c e pt orar epr e s e ntwi t hi nt her e s pi r a t or ye pi t he l i um. Thepr o t e c t i v er e fle x e sr e mo v ei r r i t a nt sf r om t hea i r wa y sbyi nv oki ngc oughi nga nds ne e z i ng .

6.

a. What does lung hyperinflation stimulate? __Pulmonary stretch receptors (PSRs)______________ b. The effect on inspiration is _______Send inhibitory signals to protect against excessive stretching of the lung__________________.

c . 7.

Wh a ti st h i sr e fle xc a l l e d ?_ _ _ __ _ _ _ _ He r i ng Br e ue r( i nfla t i o nr e fle x ) _ _ _ _ _ _ _ __ _ _ _ _ _ __ Name four of the six factors that probably increase ventilation during exercise. 1. _______Learned Responses__________________ 2. ___Increased body temperature______________________ 3. _ __Receptors in muscle/joint_ __ _ _ _ _ _ __ _ _ _ _ _ __ _ _ _ _ _ 4. _ _ _ _ _Neural input from motor cortex_ _ _ _ _ __ _ _ _ _ _ __ _ _ _ _...