Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 30, Problem 4MCQ
Summary Introduction
Introduction:
Heart is a muscular organ which is responsible for the transportation of oxygen and nutrients in body through blood and removal of
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What layer of the heart would be most immediately susceptible to infections caused by bacteria circulating in the blood?
a. myocardium
b. pericardium
c. epicardium
d. endocardium
Which side of the heart directs blood to the lungs?
A.left
B. right
C. both right and left
Which primitive area of the heart will give rise to the right ventricle?
a. bulbus cordis
b. primitive ventricle
C. sinus venosus
d. truncus arteriosus
Chapter 30 Solutions
Biology: Concepts and Investigations
Ch. 30.1 - What are the components of a circulatory system?Ch. 30.1 - Distinguish between open and closed circulatory...Ch. 30.1 - Describe the circulatory systems of fishes,...Ch. 30.2 - What are the components of blood?Ch. 30.2 - Prob. 2MCCh. 30.2 - Prob. 3MCCh. 30.3 - Prob. 1MCCh. 30.3 - Prob. 2MCCh. 30.4 - Why is the heart sometimes called two hearts that...Ch. 30.4 - Prob. 2MC
Ch. 30.4 - Prob. 3MCCh. 30.4 - Prob. 4MCCh. 30.5 - Prob. 1MCCh. 30.5 - Prob. 2MCCh. 30.5 - Prob. 3MCCh. 30.6 - Prob. 1MCCh. 30.6 - Prob. 2MCCh. 30.6 - Prob. 3MCCh. 30.7 - Prob. 1MCCh. 30.7 - Prob. 2MCCh. 30 - What is the advantage of a four-chambered heart?...Ch. 30 - Prob. 2MCQCh. 30 - Which of the following blood transfusions would be...Ch. 30 - Prob. 4MCQCh. 30 - Prob. 5MCQCh. 30 - Prob. 6MCQCh. 30 - Prob. 7MCQCh. 30 - How are open and closed circulatory systems...Ch. 30 - Prob. 2WIOCh. 30 - Prob. 3WIOCh. 30 - Prob. 4WIOCh. 30 - Prob. 5WIOCh. 30 - Describe the events that occur during one cardiac...Ch. 30 - Make a chart that compares systemic arteries,...Ch. 30 - Prob. 8WIOCh. 30 - Prob. 9WIOCh. 30 - Prob. 10WIOCh. 30 - The carotid artery extends from the heart to the...Ch. 30 - Prob. 12WIOCh. 30 - Prob. 13WIOCh. 30 - Name three ways that the circulatory system helps...Ch. 30 - Prob. 15WIOCh. 30 - Prob. 16WIOCh. 30 - Prob. 1PITCh. 30 - Prob. 2PITCh. 30 - Prob. 3PIT
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- Which heart chamber has the thickest wall? a. right atrium c. left atrium b. right ventricle d. left ventriclearrow_forwardTo surgically suture the wall of the heart is a/an _________________________.arrow_forwardEndocarditis is an inflammation of which portion of the heart? a. pericardium b. endocardium c. epicardium d. myocardiumarrow_forward
- What is responsible for the first heart sound (lub)? A. Contraction of the atria. B. Contraction of the ventricles C. Closing of the atrioventricular valves D. Closing of the semilunar valvesarrow_forwardIf you consider the anterior interventricular artery if a thrombus forms in the artery, which area of the heart would most likely experience infarct? a. the left ventricle and interventricular septum b. the right atrium c. the right ventriclearrow_forwardWhich best describes the location of the atrioventricular node? A. Superior right atrium B. Left ventricle C. Superior left atrium D. Junction of the right and left ventriclesarrow_forward
- Why might the increase in heart rate associated with a vigorous exercise program be the cause of his becoming unconscious? a. increase in blood pressure throughout the body b. failure of the conduction system c. increase in return volume of blood to the heart d. coronary blood flow reduction due to tachycardiaarrow_forwardWhen you measure blood pressure, the Korotkoff sounds (i.e. the sounds heard through a stethoscope) are produced by? A. turbulent blood flow B. valves closing C. ventricular repolarization D. ventricular depolarization?arrow_forwardHow is blood prevented from backflowing from the pulmonary trunk into the right ventricle? a. closing of the right AV valves b. opening of the pulmonary semilunar valve c. contraction of the right atrium d. closing of the pulmonary semilunar valvearrow_forward
- The heart is located in the chest cavity in the space between the lungs called A. endocardium B. mediastinum C. median plane D. epicardiumarrow_forwardThe exchange between the blood and the interstitial fluid occurs most readily through which type of capillary? a. sinusoidal b. continuous c. fenestratedarrow_forwardBased on the entry of the probe into the chambers of the heart, which heart vessel is the probe been inserted in? A. Aorta B. Superior vena cava C. One of pulmonary veins D. Pulmonary trunkarrow_forward
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