Concept explainers
To determine: The risk that someone without hypertension at age 30 will have a heart attack by age 85.
Introduction: High blood pressure or hypertension is the high force exerted by the blood against the walls of blood vessels. It can lead to many severe complications like increasing the risk of stroke, atherosclerosis, heart diseases, and death. The normal range of blood pressure is 120/80 mmHg, where the first number represents the systolic pressure and the second number represents the diastolic pressure.
Explanation of Solution
According to the study based on the effect of hypertension, the medical research implies the fact that an individual without hypertension at the age of 30 will have 4 percent chance to develop a heart attack by the age of 85. There are no symptoms or signs appear during the early stage of life. However, symptoms or signs may appear during the late period of life.
The risk that someone without hypertension at age 30 will develop a heart attack by age 85 is about 4 percent.
To find: The comparable risk for someone with hypertension at age 30.
Introduction: High blood pressure or hypertension is a medical condition where the blood pressure in the arteries is persistently elevated. Hypotension is the medical term for low blood pressure. Age, body weight, sex, food habits, alcoholism, drug addiction, and physical inactivity are some of the major causes for this condition to occur.
Explanation of Solution
The risk of hypertension at age 30 is about 7 percent. The chance for cardiac arrest is very high for the people who had hypertension at the age of 30 itself. The chance for cardiac arrest is very less in people with no hypertension at the age of 30. This indicates the fact that maintaining a healthy diet and regular exercise would help to get rid of hypertension at a young age. As a result, they will not develop heart-related issues in their late period of life.
The risk that an individual without hypertension at age 30 will develop a heart attack by age 85 is only about 4 percent, while for the ones with hypertension at age 30 is about 7 percent.
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Chapter 36 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
- Risks of Hypertension Eleni Rapsomaniki and her colleagues analyzed medical records of 1.25 million people in the United Kingdom to see how hypertension affects the risk of cardiovascular disorders. They looked at records of people who at 30 years old had no history of heart disease or stroke, although some had high blood pressure. By looking at which of these people later had a heart attack or stroke, the researchers were able to estimate the lifetime risks of these disorders in people with, and without high blood pressure. FIGURE 36.19 shows the researchers estimates of the lifetime risk for heart attack and for transient ischemic attack (TIA), a type of stroke. FIGURE 36.19 Lifetime risks of heart attack and TIA (a type of stroke), with and without hypertension at age 30. A transient ischaemic attack (TIA), sometimes called a mini-stroke, is caused by a temporary blockage of a blood vessel that supplies blood to the brain. Which is a person who has hypertension at age 30 more likely to have by age 60, a heart attack or a TIA?arrow_forwardhttps://www.youtube.com/watch?v=t0IngUYN2OA https://www.youtube.com/watch?v=pPxnIh_WTb8 Part1 1) How would the BP of an anxious patient visiting a doctor be different than if the patient is calm? 2) In atherosclerosis, plaque builds up inside the arteries. How would this affect BP? Is this an example of hypertension or hypotension? Part 2: The circulatory system has 5 functions. · Highlight the statements below that are only functions of the circulatory system. It carries cells that help to fight diseases. It gives structure and support to the body. It carries waste products to the urinary system. It carries carbon dioxide from cells to the lungs. It maintains body posture. It carries nutrients from the digestive system to other cells. It carries oxygen from the lungs to other cells. · The list gives some structures in the blood and circulatory system. Heart, artery, red blood cell, ventricle, capillary, plasma, vein, white blood…arrow_forwardBrink studied the effect of postural change on cardiovascular reactivity for a sample of healthy white and African American men and women. Change in systolic blood pressure (SBP) from supine to standing position was used as the measure of cardiac reactivity in a sample of 842 adults. Supine measurement of blood pressure was taken after participants had lain on an examination table for 15 minutes. Blood pressure was measured five times every 2 minutes using a preset automated blood pressure monitor, and the five measurements were averaged. Participants then stood up, and an additional five measurements were made over another 10-minute period and then averaged. Below is a table describing the characteristics of Brink’s sample. (10 pts) Table 1: Characteristics of the Study Sample (N = 842) Sample Characteristic Frequency (N) Percentage or Mean (SD) Range Gender Female Male 408 434 48.5% 51.5% Age (years) 842…arrow_forward
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