Date Pre-Lab Exercise 12-3 Pathway of Blood Flow through the Heart Answer the following questions about the pathway of blood flow through the heart. Use your textbook and Exercise 12-1 in this unit for reference. 1. Regarding veins: a. Where do veins carry blood? deoxygenated? b. Is this blood generally oxygenated or c. Does this rule have any exceptions? If yes, where? 2. Regarding arteries: a. Where do arteries carry blood? Is this blood generally oxygenated or deoxygenated? c. Does this rule have any exceptions? If yes, where? 3. Where does each atrium pump blood when it contracts? Right atrium: a. b. Left atrium: 4. Where does each ventricle pump blood when it contracts? a. Right ventricle: b. Left ventricle:
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- metaye yotelu Labeling Exercises 125 яте LABELING EXERCISE 6-2: ELECTRICAL CONDUCTION SYSTEM OF THE HEART (Textbook Figure 6-3) augaloodixT) BRUTOU 1. Write the name of each numbered structure of the electrical conduction system on the corresponding numbered line. Write the names of hollow spaces and vessels that contain deoxygenated blood blue and those that contain oxygenated blood in red. 2. Color the structures in the drawing that conduct electrical impulses yellow. Color the vessels and structures that carry deoxygenated blood blue, and those that carry oxygenated blood red.amul ads be loeasy boold botsys 3. Place a star on the drawing next to the number of the structure that originates the electrical impulse. 1. 2. 3. 4. 5. 2 5 woll boold to mousshib si inses 7 8 of zod 10 9 Adapted from Cohen BJ, Hull KL. Study Guide for Memmler's The Human Body in Health and Disease. 14th ed. Burlington, MA: Jones & Bartlett Learning: 2019:274 6. 7. 8. 9. 10.Exercise No. 7 1. Give the normal differential count of the different blood cells seen. 2. Briefly define the following: a. Crenation b. Hemolysis - c. Rouleaux formation - Exercise No. 8 1. Differentiate the three (3) types of muscles; tabulated form. 2. Define the sarcoplasmic triad. Where can it be found? 3. What is an intercalated disc? Exercise No. 9 1. What are neuroglial cells? 2. Differentiate axon and dendrite. 3. What are other nerve endings?Task 4 of 6 (AC 2.1) No more than 200 words for the task A. Label the conductive tissues in the boxes above. B. C. D. What is also known as the pacemaker of the heart? Describe the order the impulse travels in the heart. Define systolic
- Task 4 of 6 (AC 2.1) No more than 200 words for the task A. Label the conductive tissues in the boxes above. B. What is also known as the pacemaker of the heart? Ü C. Describe the order the impulse travels in the heart. D. Define systolic E. Define diastolic IEXERCISE 2.12: PHOTO QUIZ: SLIDE IDENTIFICATION Instructions: Answer the following questions. 1. a. What is the name of the WBC at the pointer? b. Describe the characteristics of this cell.EXERCISE 2. BLOOD PRESSURE AND PULSE ON BIOPAC: Look for the regular vertical 'blips' on the graph as the pressure is released in the cuff. The first vertical 'blip' is systole; to measure, follow the dotted line and read the pressure on the y axis. Write the answer below. Repeat that procedure for the last vertical 'blip', which would correspond with diastole. 210.00 190.00 E 170 170.00 150.00 В 130.00 130 110.00 90 90 00 T0.00 50 30 50 30.00 10 00 -10.00 31.00 1.00 A .00 A. LABEL the that corresponds with the Biopac Recording above: 1. The area above systole 2. The recording that corresponds to systole 3. The recording that corresponds to diastole 4. The area of no blood flow 5. The first pulse after systole B. What is the subject's blood pressure? (systole) mm Hg / mm Hg (diastole )
- Work 1. Changes of blood pressure during stimulation of vagus and depressor nerves in the experiment on an animal. 38 n. vagus n. depressor Mark of nerve stimulationV Mark of nerve stimulation Img. 48. Changes in hemodynamic parameters with stimulation of the vagus nerve (n. vagus) and the depressor nerve of Ludwig (n. depressor). When the vagus nerve is stimulated (A), a rapid drop in arterial pressure occurs, when the depressor nerve is stimulated (B), the pressure decreases smoothly. The different nature of changes in blood pressure in these cases is due to the fact thatStates) Show your workl 1. Juan has a cardiac output (CO) of 6000 mL per minute at rest. He has a resting heart rate (HR) of 60 beats/min. What is his stroke volume? I 2. Ejection fraction is the percentage of blood pumped out of the ventricles (EDV) with each heartbeat (see formula below). If Juan's EDV is 150 mL, what is his ejection fraction? Ejection Fraction = Stroke volume End diastolic volume X 100 3. Juan went for a walk and his heart rate climbed to 110 beats/min. his EDV decreased to 125 mL and his ejection fraction was 80%. What was his cardiac output? E FocusADDITIONAL ACTIVITIES 1. A patient with iron deficiency anemia experiences shortness of breath, weakness and has a pale skin. Explain why anemic people experience and share the same symptoms. 2. A pacemaker is a small device that is placed in the chest or abdomen to help control abnormal heart rhythms. This device uses electrical pulses to prompt the heart to beat at a normal rate. Who are the patients greatly in need of this procedure of having pacemaker built in their chest? And why?
- Work 4. Schemes of myocardial sarcomere and organization of fine sarcomere filaments. Indicate in the picture: 1. Membrane of muscle fibers. 2. Z-disk. 3. T-system. 4. Sarcoplasmic reticulum. 5. Actin filaments 6. Myosin filaments. Img. 9. Scheme of sarcomere structure of myofibrils of muscle fibers of skeletal muscle. The thick threads are formed by the contractile protein Thin threads are formed by contractile protein Control proteins troponin and tropomyosin are associated with thick or thin threads? Calcium binding control protein is: Img. 10. Scheme of the structure of the actin threads. Indicate in the picture: 1. Actin globules. The energy of ATP in the cycle of contraction-relaxation of 2. Troponin. skeletal muscle is being spent on: 3. Tropomyosin.ACTIVITY 4 Examining the Effects of Chemical Modifiers on 1. Describe the effect that pilocarpine had on the heart and why it had this effect. How well did the results compare with your prediction? 2. Atropine is an acetylcholine antagonist. Does atropine inhibit or enhance the effects of acetylcholine? Describe your results and how they correlate with how the drug works. How well did the results compare with your prediction? 3. Describe the benefits of administering digitalis. 4. Distinguish between cholinergic and adrenergic chemical modifiers. Include examples of each in your discussion.est on the Prac X pps Bb Reassessments X Bb About this Modi X * Question Completion Status: QUESTION 6 Secure https://blackboard.le.ac.uk/webapps/assessment/take/launch.jsp?course_assessment_id=_39582_1&course_id=_41417_1&content_id= Iv Bag, Medical Palmar Oceanfron... Glv Bag, Medical Dr... Amazing Opportu... Unavailable in you... COO CH₂ CH-COO- 21 HO-C-H S COO- Isocitrate 4 OL AG = -8.4kJ/mol AG' = -17kJ/mol NAD Bb About this Modi X Bb Practical report X esc NADH 2 + H+ You want to measure the activity of isocitrate dehydrogenase from a tissue sample by following the production of NADH. Which of the following components would you need to include in your assay mixture? a. Water b. Bicarbonate solution c. Phosphate buffer solution (pH7.5) d. a-ketoglutarate solution e. NADH solution f. NAD solution g. Isocitrate dehydrogenase mixture Oh. Isocitrate solution F2 CO Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 7 0.25mL of a stock solution…