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Why is it important to not leave an inflated blood pressure cuff on the arm for too long?
Think: What are you doing to blood flow to the distal arm when you inflate the cuff?
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- Now try feeling for a “pulse” from a vein on the back of your forearm, the side opposite where you took your arterial pulse, so that you do not confuse the two. To find a vein, let your left arm hang by your side and relax all of the muscles in that arm. After about 20-30 seconds, your veins should be more pronounced. Place the first two fingers of your right hand on one of the larger veins to mark that spot, then place your left arm in your lap (palm down) as you take the “pulse” of this vein with the same pressure and posture as you did with the artery. What did you feel? Explain any differences between the artery and the vein, in terms of what you know about the circulatory system and how blood pressure changes after it passes through the capillary beds.Figure 40.11 Which of the following statements about the heart is false? The mitral valve separates the left ventricle from the left atrium. Blood travels through the bicuspid valve to the left atrium. Both the aortic and the pulmonary valves are semilunar valves. The mitral valve is an atrioventricular valve.Which of the following statements best describes systolic blood pressure? Systolic blood pressure depends upon the force of the heart contractions - the stronger the contractions the higher the systolic pressure will be. Systolic blood pressure depends on how tightly the cuff of the sphygmomanometer is tightened. Systolic blood pressure depends upon the resistance of the blood vessels - the greater the resistance to blood flow the higher the systolic pressure will be. Systolic blood pressure depends upon the force and frequency of the heart contractions - the stronger and more frequent the contractions the higher the systolic pressure will be.
- 3) Describe the exact location you should place the blood pressure cuff.Which of the following is the linear guide for the radial artery? on surface of forearm from center of the antecubital fossa to the center of the base of the index finger on surface of forearm from center of the antecubital fossa to a point between the ring and pinky fingers extends from a point approximately 1 inch below the bend of the elbow to a point over the base of the thumb just lateral to the tendon of flexor carp radialis muscleDiastole and systole are terms that address the contracting and relaxing of the heart. Which of the following statements about diastolic and systolic blood pressure are true? Select all that apply. The diastolic blood pressure reading is the second number that is read and it's a measurement of the pressure of the arteries as the heart contracts and beats. The systolic blood pressure reading is the first number that is read and it's a measurement of the pressure of the arteries as the heart contracts and beats. The systolic blood pressure reading is the first number that is read and it's a measurement of the pressure in the arteries when the heart rests between beats. Systole refers to when the heart contracts and blood flows from atria into ventricles. The diastolic blood pressure reading is the second number that is read and it's a measurement of the pressure in the arteries when the heart rests between beats Diastole refers to when the heart contracts and the blood flows from the…
- What is occurring during ventricular ejection ? The AV valves are closed and the semilunar valves are open as blood is leaving the ventricles . The AV valves are open and the semilunar valves are closed as ventricular pressure is . increasing The AV valves are open and the semilunar valves are closed as blood is leaving the ventricles . The AV and semilunar valves are closed as ventricular pressure is increasing .In human clinical practice, blood pressure is measured on the arm, listening for pulse sounds in the pocket of the elbow. From this location, we can measure blood pressure fairly precisely whether the person is sitting, standing, or laying down as long as the arm is kept at the person’s side. If the arm is moved, or if we choose the leg to measure blood pressure instead, the position of the person (sitting, laying down, standing) will dramatically change the blood pressure reading that we measure. Given what you understand about blood pressure, explain why we can accurately measure pressure in any position if the arm is kept at the side, but it changes so much if we were to measure from the legs.Papillary muscles: options: assist the opening of closure of the semi-lunar valves. are a type of smooth muscle. upon contraction, pull on the chordae tendinae holding the AV valve leaflets closed. are smooth muscle extensions of the walls of the ventricles. prevent the AV valve leaflets bulging too far into the aorta during ventricular systole.
- Prolonged wheelchair sitting May result in decreased circulation. Which of the following is a sign of decreased circulation?Which organs or tissues get a lot of blood flow as exercise is happening? Skeletal muscles Skin Digestive system Brain Kidneys HeartAfter being rescued from the pool by the lifeguards, Marco now makes his way to the powerlifting competition, where he must deadlift (lift off the floor) 500kg. Consider how the following parameters would change during this bout of static exercise. Assume Marco can't actually lift the weight, but is trying really hard to do so. Cardiac output MAP AV conduction time [Choose ] [Choose ] [Choose ]
