Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 8AWK
Last night, you and your roommate were sound asleep when the phone rang. Your roommate, startled awake, jumped from her bed, and rushed for the phone across the room. Before she reached the phone, she suddenly felt dizzy and had to sit down to avoid fainting. What happened?
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Chapter 8 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 8 -
1. Who do you want to help you decide which...Ch. 8 - Do you think cost-effectiveness should be a part...Ch. 8 -
1. Why is it so important that the heart always...Ch. 8 - Compare and contrast the structures and functions...Ch. 8 - Prob. 3CRCh. 8 - Describe the function of the heart valves.Ch. 8 - Compare the functions of the pulmonary circuit and...Ch. 8 -
6. Describe the cardiac cycle of relaxation and...Ch. 8 - Describe the function of the SA and AV nodes as...Ch. 8 - Prob. 8CR
Ch. 8 - Prob. 9CRCh. 8 - Prob. 10CRCh. 8 -
1. _______ carry blood away from the heart and...Ch. 8 - Prob. 2TYCh. 8 - Which of the choices represents the order of...Ch. 8 - Prob. 4TYCh. 8 - Prob. 5TYCh. 8 - Prob. 6TYCh. 8 - Prob. 7TYCh. 8 - A pacemaker is used to correct: a. coronary artery...Ch. 8 - Prob. 9TYCh. 8 - Prob. 10TYCh. 8 - Prob. 11TYCh. 8 - Prob. 12TYCh. 8 - Prob. 13TYCh. 8 - Prob. 14TYCh. 8 - Prob. 15TYCh. 8 - Prob. 1AWKCh. 8 - When a coronary artery bypass graft (CABG) is...Ch. 8 - Soldiers have to stand in formation at full...Ch. 8 - Prob. 4AWKCh. 8 - Prob. 5AWKCh. 8 - Ventricular fibrillation is a potentially fatal...Ch. 8 - Prob. 7AWKCh. 8 - Last night, you and your roommate were sound...
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- Inside your classroom, your best friend fainted. How will you know the cause of her/his feeling? What will you do?arrow_forwardMrs. Peterson, who is 76 years old, complained of palpitations and shortness of breath. Noticing that her pulse was irregular, the doctor asked her to get an ECG done. When the ECG report came back, the doctor prescribed some anticoagulants for Mrs. Peterson. Why was she asked to take anticoagulants? What do you think she was suffering from?arrow_forwardWhy when standing up may you feel faint?arrow_forward
- Doris is a 90 year old grandmother that is complaining of shortness of breath and intermittent fainting spells. Her doctor runs various tests and finds that the atrioventricular (AV) node is not functioning properly. What is the suggested treatment?arrow_forwardBlood flowing from the pectoral appendages to the heart would flow through which of the following vessels? **Can someone please answer my question within 15 minutes :)** Question 5 options: A) Posterior cardinal veins B) Subclavian veins C) Posterior vena cava D) Lateral abdominal veins E) Renal portal veins F) Hepatic portal veins G) Subclavian arteriesarrow_forwardIf the vagal nerves to the heart were cutthe result would be that A) the heart would stop, since the vagal nerves trigger the heart to contract B) the AV node would become the pacemaker of the heart D) the heart rate would not be affected E) the heart rate would increasearrow_forward
- You are with your great grandma and the rest of your family at a reunion. All of the sudden your great grandma drops to the ground and is not breathing and does not have a pulse. What precautions would you take due to her age during CPR?arrow_forwardWomen in the late nineteenth and early twentieth centuries wore whalebone corsets that severely restricted the respiratory and digestive systems. These corsets were worn to have a wasp-like waist. It was quite common for these women to faint—in fact, they had “fainting couches.” Explain the physiological reason for their fainting problems.arrow_forwardWhy should you never try to feed or pour liquids down the throat of an unconscious person?arrow_forward
- Camille and her two pals were out trekking when they came across a man who was unconscious and had blood gushing from his head. What are your options for dealing with this situation? What should be your initial course of action? Please explain why.arrow_forwardYour neighbor, Bob, calls you because he thinks he is having an allergic reaction to a medication. You find Bob on the verge of losing consciousness and having trouble breathing. When paramedics arrive, they note his blood pressure is 63/38 and he has a rapid, thready pulse. Explain Bob’s low blood pressure and rapid heart rate.arrow_forwardPick all the correct answers for electrocardiogram (EKG). A) measures the electrical activity of the heart B) measures the cardiac output of the heart C) utilized to diagnose abnormal rhythms of the heart D) utilized to measure brain function CHAarrow_forward
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