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[PhysioEX Chapter 11 exercise 5] PEX-11-05

Solved by ramonistry Exercise 11: Blood Analysis: Activity 5: Blood Cholesterol Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Cholesterol is a lipid substance that You correctly answered: e. is all of the above. LDLs have been identified as You correctly answered: c. a potential source of damage to the interior of arteries. A desirable level of total cholesterol per deciliter of blood is You correctly answered: d. between 100 and 200 milligrams. Abnormal levels of total cholesterol per deciliter of blood could be caused by You correctly answered: b. liver disease. Experiment Results Predict Question: Predict Question: Patient 4 prefers to cook all his meat in lard or bacon grease. Knowing this dietary preference, you anticipate his total cholesterol level to be Your answer : b. abnormally high. Stop & Think Questions: What health problems might be in store for patient 2 (based on the results)? You correctly answered: e...

[PhysioEX Chapter 11 exercise 3] PEX-11-03

Solved by ramonistry Exercise 11: Blood Analysis: Activity 3: Hemoglobin Determination Lab Report Pre-lab Quiz Results You scored 100% by answering 3 out of 3 questions correctly. A protein found in red blood cells, __________, is necessary for the transport of oxygen from the lungs to the cells of the body. You correctly answered: a. hemoglobin (Hb) Anemia results when You correctly answered: e. Both b and c are correct. How much hemoglobin does normal adult human blood contain? You correctly answered: c. 12-18 g/100 ml Experiment Results Predict Question: Predict Question: How will the hemoglobin levels for the female Olympic athlete (sample 5) compare with the hemoglobin levels for the healthy female (sample 2)? Your answer : c. The hemoglobin levels for the female Olympic athlete will be greater than those for the healthy female. Stop & Think Questions: Why is the average hematocrit higher in males than in females? You correctly answered: c. Higher testosterone ...

[PhysioEX Chapter 11 exercise 2] PEX-11-02

Solved by ramonistry Exercise 11: Blood Analysis: Activity 2: Erythrocyte Sedimentation Rate Lab Report Pre-lab Quiz Results You scored 100% by answering 3 out of 3 questions correctly. The erythrocyte sedimentation rate (ESR) You correctly answered: c. is increased whenever fibrinogen and immunoglobulins cause the RBCs to clump together, stack up, and form a column. The ESR cannot be used to follow the progression of which of the following diseases? You correctly answered: d. gingivitis The ESR can be used to evaluate a patient with You correctly answered: e. all of the above. Experiment Results Predict Question: Predict Question: How will the sedimentation rate for sample 6 (individual with angina pectoris) compare with the sedimentation rate for sample 1 (healthy individual)? Your answer : b. It will be lower. Stop & Think Questions: What is in the beige-colored portion of the sedimentation tube? You correctly answered: c. plasma Experiment Data: Blood sample D...

[PhysioEX Chapter 11 exercise 1] PEX-11-01

Solved by ramonistry Exercise 11: Blood Analysis: Activity 1: Hematocrit Determination Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Hematocrit You correctly answered: b. of 40 means that 40% of the volume of blood consists of RBCs. A buffy coat layer You correctly answered: d. is all of the above. The diagnosis of anemia indicates You correctly answered: a. a lower-than-normal hematocrit. Polycythemia refers to You correctly answered: c. a significant increase in RBCs. Experiment Results Predict Question: Predict Question: Predict how the hematocrits of the patients living in Denver, Colorado (approximately one mile above sea level), will compare with the hematocrit levels of the patients living in Boston, Massachusetts (at sea level). Your answer : c. The hematocrits of the Denver residents will be higher than those of the Boston residents. Stop & Think Questions: Why would the hemoglobin levels of an anemic patient...

[PhysioEX Chapter 10 exercise 4] PEX-10-04

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...

[PhysioEX Chapter 10 exercise 2] PEX-10-02

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...

[PhysioEX Chapter 10 exercise 1] PEX-10-01

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...

[PhysioEX Chapter 7 exercise 3] PEX-07-03

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 ...

[PhysioEX Chapter 7 exercise 2] PEX-07-02

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...

[PhysioEX Chapter 7 exercise 1] PEX-07-01

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...