Physio Ex Exercise 10 Activity 4 PDF

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6/28/2021

PhysioEx Exercise 10 Activity 4

PhysioEx Lab Report Exercise 10: Acid-Base Balance Activity 4: Respiratory Responses to Metabolic Acidosis and Metabolic Alkalosis Name: Emily Mitchell Date: 28 June 2021 Session ID: session-8831a7a8-6752-19f1-ace3-1522d56ed444

Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1 An increase in metabolic rate (without compensation) would result in You correctly answered: more carbon dioxide in the blood. 2 Excessive vomiting results in You correctly answered: loss of acid, metabolic alkalosis. 3 Which of the following is not acidic? You correctly answered: antacids. 4 Which of the following decreases the rate of metabolism? You correctly answered: lowered body temperature.

Experiment Results Predict Questions 1 Predict Question 1: What do you think will happen when the metabolic rate is increased to 80 kcal/hr? Your answer: metabolic acidosis. 2 Predict Question 2: What do you think will happen when the metabolic rate is decreased to 20 kcal/hr? Your answer: Breaths per minute will decrease. Stop & Think Questions 1 The tidal volume and breaths per minute increased with increased metabolism because You correctly answered: there is more carbon dioxide being formed.

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6/28/2021

PhysioEx Exercise 10 Activity 4

2 Which body system is compensating for the metabolic alkalosis? You correctly answered: respiratory. Experiment Data

15

Blood pH 7.40

P CO2 (mm Hg) 40

[H+] in Blood 40

[HCO3-] in Blood 24

60

17

7.33

45

47

20

80

21

7.26

55

63

14.5

40

13

7.45

37

38

26

20

9

7.53

31

32

30

Metabolic Rate (kcal/hr) 50

BPM (breaths/min)

Post-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1 What happened to the breathing when metabolism was increased? You correctly answered: The breaths per minute and the tidal volume increased. 2 Which of the following is not a cause of metabolic acidosis? You correctly answered: constipation. 3 If P CO2 in the blood increases, then You correctly answered: [H +] increases and pH decreases. 4 Which of the following values increased with decreased metabolism? You correctly answered: pH and [HCO 3-].

Review Sheet Results 1 Describe what happened to the blood pH when the metabolic rate was increased to 80 kcal/hr. What body system was compensating? How well did the results compare with your prediction? Your answer: Metabolic acidosis, the urinary system was compensating. 2 List and describe some possible causes of metabolic acidosis. Your answer:

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PhysioEx Exercise 10 Activity 4

Ketoacidosis, salicylate, alcohol consumption, diarrhea, and strenuous activity. 3 Describe what happened to the blood pH when the metabolic rate was decreased to 20 kcal/hr. What body system was compensating? How well did the results compare with your prediction? Your answer: The blood pH increased, the body was compensating the renal system and the breaths per minute decreased. 4 List and describe some possible causes of metabolic alkalosis. Your answer: Ingestion of alkali, vomiting and constipation.

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