Biol 235 Sample Questions and Answers Rated A+ (Athabasca University) Test Bank.

Biol 235 Sample Questions and Answers Rated A+ (Athabasca University) Test Bank. Package Title: Testbank Question type: Multiple Choice 1) Which of the following terms identifies the anatomical region found between the lungs that extends from the sternum to the vertebral column and from the first rib to the diaphragm? a) Epicardium b) Abdominal cavity c) Pericardium d) Mediastinum e) Thoracic cavity Answer: d Difficulty: Easy Study Objective 1: SO 20.1 Describe the anatomical location and structure of the heart. Study Objective 2: SO 20.1.1 Describe the location of the heart. Section Reference 1: Sec 20.1 Anatomy of the Heart 2) The membrane that surrounds and protects the heart is called the a) pericardium. b) pleura. c) myocardium. d) mediastinum. e) endocardium. Answer: a Difficulty: Easy Study Objective 1: SO 20.1 Describe the anatomical location and structure of the heart. Study Objective 2: SO 20.1.2 Describe the structure of the pericardium and the heart wall. Section Reference 1: Sec 20.1 Anatomy of the Heart 3) The apex of the heart is normally pointed a) at the midline. b) to the left of the midline. c) to the right of the midline. d) is different for males and females lOMoAR cPSD| e) posteriorly. Answer: b Difficulty: Easy Study Objective 1: SO 20.1 Describe the anatomical location and structure of the heart. Study Objective 2: SO 20.1.1 Describe the location of the heart. Section Reference 1: Sec 20.1 Anatomy of the Heart 4) The outermost layer of the pericardium, which consists of inelastic dense irregular connective tissue, is called the a) parietal layer of pericardium. b) serous pericardium. c) fibrous pericardium. d) epicardium. e) endocardium. Answer: c Difficulty: Medium Study Objective 1: SO 20.1 Describe the anatomical location and structure of the heart. Study Objective 2: SO 20.1.2 Describe the structure of the pericardium and the heart wall. Section Reference 1: Sec 20.1 Anatomy of the Heart 5) Which of the following is used to reduce friction between the layers of membranes surrounding the heart? a) Synovial fluid b) Endocardium c) Pleural fluid d) Pericardial fluid e) Capillary endothelium Answer: d Difficulty: Easy Study Objective 1: SO 20.1 Describe the anatomical location and structure of the heart. Study Objective 2: SO 20.1.2 Describe the structure of the pericardium and the heart wall. Section Reference 1: Sec 20.1 Anatomy of the Heart 6) Which layer of the heart wall consists of mesothelium and connective tissue? a) Epicardium lOMoAR cPSD| b) Myocardium c) Endocardium d) Fibrous pericardium e) None of the answer selections are correct Answer: a Difficulty: Medium Study Objective 1: SO 20.1 Describe the anatomical location and structure of the heart. Study Objective 2: SO 20.1.2 Describe the structure of the pericardium and the heart wall. Section Reference 1: Sec 20.1 Anatomy of the Heart 7) Which layer of the heart wall consists of cardiac muscle tissue? a) Epicardium b) Pericardium c) Myocardium d) Endocardium e) Hypocardium Answer: c Difficulty: Medium Study Objective 1: SO 20.1 Describe the anatomical location and structure of the heart. Study Objective 2: SO 20.1.2 Describe the structure of the pericardium and the heart wall. Section Reference 1: Sec 20.1 Anatomy of the Heart 8) Identify the pouch-like structure that increases the total filling capacity of the atrium. a) Ventricle b) Coronary sulcus c) Fossa ovalis d) Interatrial septum e) Auricle. Answer: e Difficulty: Medium Study Objective 1: SO 20.1 Describe the anatomical location and structure of the heart. Study Objective 2: SO 20.1.3 Discuss the external and internal anatomy of the chambers of the heart. Section Reference 1: Sec 20.1 Anatomy of the Heart 9) Identify the groove found on the surface of the heart and marks the boundary between the right and left ventricles. lOMoAR cPSD| a) Coronary sulcus b) Anterior interventricular sulcus c) Posterior interventricular sulcus d) Coronary sinus e) Anterior intraventricular sulcus Answer: b Difficulty: Medium Study Objective 1: SO 20.1 Describe the anatomical location and structure of the heart. Study Objective 2: SO 20.1.3 Discuss the external and internal anatomy of the chambers of the heart. Section Reference 1: Sec 20.1 Anatomy of the Heart 10) Identify the muscular ridges that are found on the anterior wall of the right atrium and extend into the auricles. a) Pectinate muscles b) Trabeculae carneae c) Coronary sulci d) Papillary muscles e) Chordae tendinae Answer: a.