Bio 121 Campbell Biology Truman College
17th Edition
ISBN: 9781323670637
Author: Urry, Cain
Publisher: PEARSON
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Chapter 42, Problem 42.3CR
Summary Introduction
To explain: How blood pressure of an arm changes when a person places his/her forearm on their head.
Concept introduction: Blood pressure is generated by the contraction of the heart ventricle, and it supplies force in all directions. It is measured using the sphygmomanometer. Normal range of blood pressure is 120/80 mmHg, where 120 mmHg is generally referred as systolic pressure and 80 mmHg taken as diastolic pressure.
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Chapter 42 Solutions
Bio 121 Campbell Biology Truman College
Ch. 42.1 - Prob. 1CCCh. 42.1 - Three-chambered hearts with incomplete septa were...Ch. 42.1 - Prob. 3CCCh. 42.2 - Explain why blood has a higher 02 concentration in...Ch. 42.2 - Prob. 2CCCh. 42.2 - Prob. 3CCCh. 42.3 - Prob. 1CCCh. 42.3 - Prob. 2CCCh. 42.3 - Prob. 3CCCh. 42.4 - Explain why a physician might order a white cell...
Ch. 42.4 - Prob. 2CCCh. 42.4 - Prob. 3CCCh. 42.4 - Prob. 4CCCh. 42.5 - Why is an internal location for gas exchange...Ch. 42.5 - Prob. 2CCCh. 42.5 - MAKE CONNECTIONS Describe similarities in the...Ch. 42.6 - Prob. 1CCCh. 42.6 - Prob. 2CCCh. 42.6 - Prob. 3CCCh. 42.7 - What determines whether O2 and CO2 undergo net...Ch. 42.7 - How does the Bohr shift help deliver O2 to very...Ch. 42.7 - Prob. 3CCCh. 42 - How does the flow of a fluid in a closed...Ch. 42 - Prob. 42.2CRCh. 42 - Prob. 42.3CRCh. 42 - Prob. 42.4CRCh. 42 - Prob. 42.5CRCh. 42 - How does air in the lungs differ from the fresh...Ch. 42 - How are the roles of a respiratory pigment and an...Ch. 42 - Prob. 1TYUCh. 42 - Blood returning to the mammalian heart in a...Ch. 42 - Prob. 3TYUCh. 42 - When you hold your breath, which of the following...Ch. 42 - Prob. 5TYUCh. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - DRAW IT Plot blood pressure against time for one...Ch. 42 - EVOLUTION CONNECTION One opponent of the movie...Ch. 42 - Prob. 10TYUCh. 42 - Prob. 11TYUCh. 42 - WRITE ABOUT A THEME: INTERACTIONS Some athletes...Ch. 42 - Prob. 13TYU
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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?arrow_forwardWhat do you do if you can't feel a pulse?arrow_forwardaxillary artery (I. & r.) (AK-sil-är-ē) (Supplies muscles of right pectoral region and axilla.) brachial artery (I. & r.) (BRÃ-kē-al) (Supplies structures of the arm. This artery is commonly used to measure a person's blood pressure.) radial artery (l. & r.) (RÃ-de-al) (Supplies radial side of forearm.) ulnar artery (I. & r.) (UHL-nar) (Supplies ulnar side of forearm.)arrow_forward
- What do you do if you don't feel a pulse?arrow_forwardImagine you are standing inside the left ventricle of an adult pig. Blood is flowing in one direction. You walk against the flow of blood and exit the ventricle. Do you enter a heart chamber or a vessel? What is the name of the location (chamber or vessel)?arrow_forwardIs there a change in heart rate when the subject moves from lying down to sitting?arrow_forward
- Why is the brachial artery used for determining arterial blood pressure? Name one other artery that could be used.arrow_forwardCan the intraventricular septum prevents the electrical activity from stimulating the heart in a superior and inferior directional manner? Yes or Noarrow_forwardYou are a staff nurse who is assigned to give a bed bath for a client with Deep Veins Thrombosis (DVT) in lower extremities. Which of the following actions is true about cleaning the lower legs for this client? a. use firm strokes from the distal legs toward proximal. b. use gentle movement and rub legs. c. use gentle movement and don't rub legs. d. use firm strokes toward the hip.arrow_forward
- Ms. Sanchez is a nursing assistant at an acute care hospital. She has just entered a patient's room to take his vital signs. He tells her that he was hospitalized after having a myocardial infarction two days ago. She notes that he is receiving oxygen and has an IV in his right arm. What are vital signs and briefly explain each. What arm should be used to take the blood pressure? Should the pulse be taken radially or apically? Why? What three observations should be made when taking the pulse?arrow_forwardAll of the following are true except A. Pause is defined as heartbeats per minute B. The carotid pulse is felt at the angle of the mandible C. The femoral pulse is felt in the groin D. The radial pulse is felt at the pinky side of the wristarrow_forwardIn 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.arrow_forward
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