#360 In the experiment you completed on the

In the experiment you completed on the - Anatomy and Physiology

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Question 1 

In the experiment you completed on the analysis of expired air the subjects expired air was collected into a Douglas bag. The volume of the bag was measured at ATPS. Which conversion factor would you use to convert the value to BTPS?

Question 1 options:

Question 2 

During normal quiet breathing, the concentration of oxygen in the conducting portion of the airways at the beginning of inspiration is initially _______ and then ___________ during inspiration.

Question 2 options:

Question 3 

The respiratory quotient (RQ):

Question 3 options:

Question 4

The following statements are comparing breathing holding times under different conditions. Choose the correct statement.

Question 4 options:

Question 5 (1 

In the experiment where the subject collected their expired air into a bag, choose the correct statement.  

Question 5 options:

Question 6

A person who has a tidal volume of 465 mL/breath, a respiratory rate of 18 breaths / minute, and an anatomical dead space volume of 175 mL will have an alveolar ventilation rate of:  

Question 6 options:

Question 7

A person is snorkelling. The snorkel has a volume of 75 mL. Their tidal volume is 750 mL and their respiratory rate is 19 breaths per min. Assume a dead space volume of 150 mL. Calculate alveolar ventilation.

Question 7 options:

Question 8 (1 point)

Below is a Spirograph from a patient who has completed a lung function test

 The breathing rate is ________________ (breaths per min); the Vital Capacity is_____________(L) and FEV1/FVC is _____________ (%)

Question 8 options:

Question 9 (1 point)

Examine the histological section below from a healthy lung.

Choose the correct option

Question 9 options:

Question 10 (1 point)

From your knowledge of respiratory physiology read the statements below and choose the correct answer.

Question 10 options:

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Free Chegg Answer

i have subjected do answer only 5 subquestions thank you

1) In the experiment you completed on the analysis of expired air the subjects expired air was collected into a Douglas bag. The volume of the bag was measured at ATPS. Which conversion factor would you use to convert the value to BTPS?

• answer: B) STPD from ATPS
• For get value in BTPS the expired volume of air should be measured at ATPS and the gas volume at STPD is calculated before converting to BTPS
• Gas volume STPD = V_ATPS { 273/ 273 + T⁰C } {PB - PB_H20/ 760)
• Then after STPD value dtermined convert to BTPS by
• Gas volume BTPS = V_ATPS {PB - PB_H20/ PB - 47 mm hg) { 310/ 273 + T⁰C }
• PB= barometric pressure, T= temperature

2) During normal quiet breathing, the concentration of oxygen in the conducting portion of the airways at the beginning of inspiration is initially _______ and then ___________ during inspiration.

• answer : high and does not change
• The amount of oxygen is not changed because it is saturated and usaually does not change

3) The respiratory quotient (RQ):

• the ratio of co2 produced to o2 consumed is RQ (B)

4) The following statements are comparing breathing holding times under different conditions. Choose the correct statement

• answer: a, Breath holding at TLC (from RV) breathing room air should result in a longer breath hold time than TLC (from RV) breathing a gas mixture of 95% .

5) In the experiment where the subject collected their expired air into a bag, choose the correct statement

• answer : the expired air does not contain no oxygen
• only carbon dioxide is expired in atmosphere