Category Archives: BIOS 255

BIOS 255 Week 1 Lab Report Effect of Exercise on Cardiac Output recent

BIOS 255 Week 1 Lab Report Effect of Exercise on Cardiac Output recent

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BIOS 255 Week 1 Lab Report Effect of Exercise on Cardiac Output recent

1. Dependent Variable EDV, ESV, and cardiac cycle length

2. Independent Variable level of physical activity (resting or exercise)

3. Controlled Variables age, weight, height, gender and health

4. What instrument was used to measure cardiac volumes? ECG, and MRI

5. Does the instrument that was used to measure cardiac volume use X-rays? Explain.

The MRI shows a 3D and 2D image of the heart and the ECG measures the rhythm of the heartbeat.

 

BIOS 255 Week 3 Lab Review Major Veins of the Thorax, Abdomen, and Pelvis recent

BIOS 255 Week 3 Lab Review Major Veins of the Thorax, Abdomen, and Pelvis recent

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BIOS 255 Week 3 Lab Review Major Veins of the Thorax, Abdomen, and Pelvis recent

 

 

Chamberlain BIOS 255 Week 1 Lab Exercise 27 Heart Structure and Function recent

Chamberlain BIOS 255 Week 1 Lab Exercise 27 Heart Structure and Function recent

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BIOS 255 Week 1 Lab Exercise 27 Heart Structure and Function recent

 

 

Chamberlain BIOS 255 Week 2 Lab Review of the Arteries recent

Chamberlain BIOS 255 Week 2 Lab Review of the Arteries recent

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BIOS 255 Week 2 Lab Review of the Arteries recent

 

 

Chamberlain BIOS 255 Week 4 Lab Report Effect of Exercise on Arterial Pressure and Vascular recent

Chamberlain BIOS 255 Week 4 Lab Report Effect of Exercise on Arterial Pressure and Vascular recent

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BIOS 255 Week 4 Lab Report Effect of Exercise on Arterial Pressure and Vascular recent

 

 

Chamberlain BIOS 255 Week 5 Lab Lymphatic System and Disease Resistance recent

Chamberlain BIOS 255 Week 5 Lab Lymphatic System and Disease Resistance recent

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BIOS 255 Week 5 Lab Lymphatic System and Disease Resistance recent

 

 

Chamberlain BIOS 255 Week 6 Lab Respiratory Volumes recent

Chamberlain BIOS 255 Week 6 Lab Respiratory Volumes recent

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BIOS 255 Week 6 Lab Respiratory Volumes recent

 

 

Chamberlain BIOS 255 Week 7 Lab Regulation of Pulmonary Ventilation recent

Chamberlain BIOS 255 Week 7 Lab Regulation of Pulmonary Ventilation recent

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BIOS 255 Week 7 Lab Regulation of Pulmonary Ventilation recent

1. State whether increasing the amount of carbon dioxide in inhaled air increased, decreased, or did not change minute ventilation from normal.

2. What is the minute ventilation when inhaled air contains 5% carbon dioxide?

3. State whether increasing the amount of carbon dioxide in inhaled air increased, decreased, or did not change arterial pCO2from normal.

4. What is the arterial pCO2 when inhaled air contains 5% carbon dioxide?

5. State whether increasing the amount of carbon dioxide in inhaled air increased, decreased, or did not change arterial pO2from normal.

6. What is the arterial pO2 when inhaled air contains 5% carbon dioxide?

7. State whether increasing the amount of carbon dioxide in inhaled air increased, decreased, or did not change plasma pH from normal.

8. What is the arterial blood pH when inhaled air contains 5% carbon dioxide?

9. State whether increasing the amount of oxygen in inhaled airincreased, decreased, or did not change minute ventilation from normal.

10. What is the minute ventilation when inhaled air contains 16% oxygen?

 What is the arterial pH when inhaled air contains 16% oxygen?

DISCUSSION

1. Discuss the relationship between CO2 and pH and their effect on minute ventilation.

2. Discuss how inhaling increased amounts of CO2 affects pulmonary ventilation.

3. Discuss how inhaling decreased amounts of O2 affects pulmonary ventilation.

4. Discuss how plasma pH affects the hemoglobin saturation curves and the amount of oxygen delivered to the tissues.

5. Restate your predictions that were correct, and give data from your experiment that support them. Restate your predictions that were not correct, and correct them with supporting data from your experiment.

1. Explain how the child’s blood carbon dioxide, hydrogen ions, and bicarbonate ions levels change during breath holding.

 

2. If she continues to hold her breath, will she pass out? Explain.