Category Archives: BIOS 255

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

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

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

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 NEW

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

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

 

 

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

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

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

 

 

Chamberlain BIOS 255 Week 2 Lab Review of the Arteries NEW

Chamberlain BIOS 255 Week 2 Lab Review of the Arteries NEW

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BIOS 255 Week 2 Lab Review of the Arteries NEW

 

 

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

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

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

 

 

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

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

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BIOS 255 Week 5 Lab Lymphatic System and Disease Resistance NEW

 

 

Chamberlain BIOS 255 Week 6 Lab Respiratory Volumes NEW

Chamberlain BIOS 255 Week 6 Lab Respiratory Volumes NEW

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BIOS 255 Week 6 Lab Respiratory Volumes NEW

 

 

Chamberlain BIOS 255 Week 7 Lab Regulation of Pulmonary Ventilation NEW

Chamberlain BIOS 255 Week 7 Lab Regulation of Pulmonary Ventilation NEW

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BIOS 255 Week 7 Lab Regulation of Pulmonary Ventilation NEW

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.