Contemplation

Solved by ramonistry Exercise 10: Acid-Base Balance: Activity 4: Respiratory Responses to Metabolic Acidosis and Metabolic Alkalosis Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. An increase in metabolic rate (without compensation) would result in You correctly answered: a. more carbon dioxide in the blood. Excessive vomiting results in You correctly answered: c. loss of acid, metabolic alkalosis. Which of the following is not acidic? You correctly answered: d. antacids Which of the following decreases the rate of metabolism? You correctly answered: b. lowered body temperature Experiment Results Predict Question: Predict Question 1: What do you think will happen when the metabolic rate is increased to 80 kcal/hr? Your answer : a. metabolic acidosis Predict Question 2: What do you think will happen when the metabolic rate is decreased to 20 kcal/hr? Your answer : d. Breaths per minute will decrease. Stop & Thin

Solved by ramonistry Exercise 10: Acid-Base Balance: Activity 2: Rebreathing Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. In cases of acidosis, the pH of the blood is You correctly answered: c. less than 7.35. Carbon dioxide and water form You correctly answered: a. carbonic acid (a weak acid). Which of the following is true of respiratory acidosis? You correctly answered: c. The amount of carbon dioxide in the blood is greater than normal. Rebreathing You correctly answered: b. is exemplified by breathing into a paper bag. Experiment Results Predict Question: Predict Question: What do you think will happen to the pH and PCO2 levels during rebreathing? Your answer : b. pH will decrease and PCO2 will increase. Stop & Think Questions: Which of the following can cause respiratory acidosis? You correctly answered: c. airway obstruction Experiment Data: Condition Min PCO2 Max PCO2 Min pH Max pH Normal 40 40 7.39 7.3

Solved by ramonistry Exercise 10: Acid-Base Balance: Activity 1: Hyperventilation Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. The fastest compensatory mechanism for maintaining pH homeostasis in the human body is You correctly answered: c. the chemical buffering system. An increase in hydrogen ion concentration would You correctly answered: d. decrease pH. The amount of carbon dioxide in the blood is measured in You correctly answered: b. mm Hg. The reaction of water and carbon dioxide is catalyzed by You correctly answered: a. carbonic anhydrase. Experiment Results Predict Question: Predict Question: What do you think will happen to the pH and PCO2 levels with hyperventilation? Your answer : c. pH will increase and PCO2 will decrease. Stop & Think Questions: Were the pH and PCO2 in the normal range? You correctly answered: c. Both pH and PCO2 were in the normal range. What was the effect of returning to nor

Solved by ramonistry Exercise 7: Respiratory System Mechanics: Activity 3: Effect of Surfactant and Intrapleural Pressure on Respiration Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. Which of the following statements about surface tension is false? You correctly answered: c. Surface tension acts to increase the size of the alveoli within the lungs. Which of the following statements about surfactant is false? You correctly answered: d. Surfactant works by increasing the attraction of water molecules to each other. Just before an inspiration begins, the pressure within the intrapleural cavity You correctly answered: b. is less than the pressure within the alveoli. The respiratory condition of pneumothorax refers to You correctly answered: c. any opening that equalizes the intrapleural pressure with the atmospheric pressure. A pneumothorax can lead to You correctly answered: b. atelectasis. Experiment Results Predict

Solved by ramonistry Exercise 7: Respiratory System Mechanics: Activity 2: Comparative Spirometry Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. A normal resting tidal volume is expected to be around You correctly answered: d. 500 ml. Which respiratory process is impaired the most by emphysema? You correctly answered: c. expiration During an asthma attack You correctly answered: b. inspiration and expiration are impaired. During moderate aerobic exercise, which respiratory variable increases the most? You correctly answered: a. tidal volume Inhaler medications for an asthma patient are designed to You correctly answered: b. dilate the patient's bronchioles. Experiment Results Predict Question: Predict Question 1: With emphysema, there is a significant loss of elastic recoil in the lung tissue and a noticeable, exhausting muscular effort is required for each expiration. Inspiration actually becomes easier bec

Solved by ramonistry Exercise 7: Respiratory System Mechanics: Activity 1: Measuring Respiratory Volumes and Calculating Capacities Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. Which of the following statements describing the mechanics of breathing is false? You correctly answered: d. Ventilation relies exclusively on contracting skeletal muscles. The contraction of which of the following muscles will increase the thoracic cavity volume during inspiration? You correctly answered: c. the external intercoatals. At the beginning of inspiration, the You correctly answered: b. thoracic cavity volume increases. At the beginning of expiration, the You correctly answered: a. pressure in the thoracic cavity increases. A tidal volume refers to the You correctly answered: b. amount of air inspired and then expired with each breath under resting conditions. Experiment Results Predict Question: Predict Question: Lung disease