Rasmussen College MA 279 bsc 2347 mod 5 midterm/ Guide to Score A+

Course MA279/BSC2347 Human Anatomy and Physiology II - Online - Summer Quarter Test Module 05 Midterm Exam Started Status Completed Attempt Score 48 out of 50 points Time Elapsed 20 minutes out of 1 hour and 15 min ...

Course MA279/BSC2347 Human Anatomy and Physiology II - Online - Summer Quarter Test Module 05 Midterm Exam Started Status Completed Attempt Score 48 out of 50 points Time Elapsed 20 minutes out of 1 hour and 15 minutes Results Displayed All Answers, Submitted Answers, Correct Answers, Feedback, Incorrectly Answered Questions • Question 1 Which of the following is true of cellular immunity? • Question 2 Which factor will NOT directly affect stroke volume? 1 out of 1 points 1 out of 1 points • Question 3 The thoracic and pulmonary volumes both have the ability to increase. 1 out of 1 points • Question 4 0 out of 1 points Only arteries undergo vasoconstriction and vasodilation. • Question 5 1 out of 1 points Stroke volume is the measure of: • Question 6 1 out of 1 points Which of the following is true of thrombocytopenia? Answers: • Question 7 1 out of 1 points What statement is true of capillaries? • Question 8 1 out of 1 points Which of the following is true of polycythemia? • Question 9 Coagulation is the final step in the hemostasis process. 1 out of 1 points Selected Answer: Tru e Answers: Tru e False • Question 10 1 out of 1 points Antibodies are specific to one type of epitope. Selected Answer: Tru e Answers: Tru e False The right atrium: Selected • Question 11 1 out of 1 points Answer: Receives blood from the body circuit Answers: Pumps blood to the pulmonary circuit Pumps blood to the body circuit Receives blood from the pulmonary circuit Receives blood from the body circuit • Question 12 Which of the following is a role of the nasal cavity? Selected Answer: Filter and clean incoming air Answers: Gas exchange 1 out of 1 points Filter and clean incoming air Dry and warm incoming air Concentrate the oxygen of incoming air • Question 13 Which portion of the EKG wave pertains to the atria undergoing depolarization? Selected Answer: P wave Answers: 1 out of 1 points P wave QRS complex T wave S wave • Question 14 1 out of 1 points The exposure rate of a pathogen determines the effectiveness of innate defenses. Selected Answer: Fals e Answers: True Fals e • Question 15 1 out of 1 points Which type of humoral immunity is generated when an individual receives an infection from another person? Selected Answer: Active natural humoral immunity Answers: Active natural humoral immunity Passive natural humoral immunity Active acquired humoral immunity Passive acquired humoral immunity • Question 16 The pulmonary arteries contain deoxygenated blood. 1 out of 1 points Selected Answer: Tru e Answers: Tru e False • Question 17 1 out of 1 points Humoral immunity involves the production of antibodies that will attack any bacteria or virus. Selected Answer: Fals e Answers: True Fals e • Question 18 1 out of 1 points Which type of plasma protein plays a role within maintaining plasma osmotic pressure, blood pressure and is the most numerous? Selected Answer: Albumin Answers: Globins Albumin Fibrinoge n Elastin • Question 19 The primary role of the smooth surrounding the bronchi is to provide structural support. 1 out of 1 points Selected Answer: Fals e Answers: True Fals e • Question 20 1 out of 1 points The trachealis muscle is located on the posterior aspect of the trachea, facing the esophagus. Selected Answer: Tru e Answers: Tru e False • Question 21 1 out of 1 points What is true of gas exchange within the lungs? Selected Answer: Occurs at the type I alveolar cells Answers: Occurs in the bronchioles and alveolar sacs Occurs at the type I alveolar cells Occurs at the type II alveolar cells It can occur all along the respiratory tree. • Question 22 Which of the following is true of the pleura of the lungs? Selected Answer: The pleural cavity allows the lungs to expand and contract without friction. 1 out of 1 points Answers: They are solely responsible for facilitating ventilation. It is composed of four layers. The pleural cavity allows the lungs to expand and contract without friction. The pleura covers the internal surfaces of the lungs too. • Question 23 Increased heart rate will increase the overall cardiac output. 1 out of 1 points Selected Answer: Tru e Answers: Tru e False • Question 24 1 out of 1 points Which of the following is true of veins? Selected Answer: They start forming after blood travels through a capillary bed Answers: They contain two-way valves The vena cava is the smallest vein in the body They typically carry oxygenated blood They start forming after blood travels through a capillary bed • Question 25 1 out of 1 points Which portion of the cardiac conduction system controls the rate at which the heart contracts? Selected Answer: SA node Answers: AV node SA node Purkinje fibers Myocaridum • Question 26 The pharynx assists in moistening and humidifying inhaled air? 1 out of 1 points Selected Answer: Fals e Answers: True Fals e • Question 27 1 out of 1 points Which statement about the lungs and bronchi is true? Selected Answer: The left lung has 2 lobes. Answers: The right lung has 4 lobes. The left lung has 2 lobes. The right secondary bronchi has two branches. The left secondary bronchi has three branches. • Question 28 1 out of 1 points The left ventricle: Selected Answer: Pumps blood to the body circuit Answers: Pumps blood to the pulmonary circuit Pumps blood to the body circuit Receives blood from the pulmonary circuit Receives blood from the body circuit • Question 29 Which of the following is true of the hemostasis process? Selected 1 out of 1 points Answer: Fibrin is an insoluble protein thread that will cross link to the platelets together. Answers: Hemoglobin activates fibrinogen to fibrin. Fibrin is an insoluble protein thread that will cross link to the platelets together. Vitamin C is needed for the hemostasis process to be complete. Only the intrinisic pathway will convert prothrombin to the active form of thrombin. • Question 30 Which of the following is true regarding the larynx? Selected Answer: The vestibular folds assist in closing the glottis to prevent food and water entering the trachea. 1 out of 1 points Answers: The vestibular folds assist in closing the glottis to prevent food and water entering the trachea. The vocal folds (cords) allow food and water to flow through them when open. The epiglottis controls when food and water can enter the trachea. The larynx is located inferior to the trachea. • Question 31 1 out of 1 points Anemia is classified and defined as the body being iron deficient. Selected Answer: Fals e Answers: True Fals e • Question 32 1 out of 1 points What is secreted by the alveoli cells that prevent the lungs from collapsing between each breath by reducing surface tension? Selected Answer: Surfactant Answers: Surfactant Mucous Pulmonary fluid Water • Question 33 1 out of 1 points The bronchial tree allows for passage of air and gasses to reach the alveolar sacs where gas exchange occurs. Selected Answer: Tru e Answers: Tru e False • Question 34 1 out of 1 points Arterioles are the smallest form of an artery and is where gas exchange occurs. Selected Answer: Fals e Answers: True Fals e • Question 35 1 out of 1 points Which portion of the EKG wave pertains ventricles contracting during the cardiac cycle? Selected Answer: QRS complex Answers: P wave QRS complex T wave S wave • Question 36 Which of the following is NOT a benefit to the inflammatory process? Selected Answer: Initiates the production of T-cytotoxic cells Answers: It helps prevent the spread of pathogens. It helps initiate the repair process. Acts as an alarm for the adaptive immune system Initiates the production of T-cytotoxic cells • Question 37 Which of the following is the most numerous type of leukocyte? Selected Answer: Neutrophil Answers: 1 out of 1 points 1 out of 1 points Neutrophil Basophil Eosinophil Lymphocy te • Question 38 1 out of 1 points Which of the following choices is the correct pathway of the cardiac conduction system? Selected Answer: SA node – AV node – Bundle of His – Right/Left bundle branches – Purkinje fibers Answers: SA node – AV node – Bundle of His – Right/Left bundle branches – Purkinje fibers AV node – Bundle of His – Right/Left bundle branches – Purkinje fibers SA node – AV node – Bundle of His – Purkinje fibers – Right/Left bundle branches Bundle of His – AV node - SA node – Purkinje fibers – Right/Left bundle branches • Question 39 1 out of 1 points Which of the following is true of the intercalated discs? Selected Answer: They allow cardiac muscle cells to share nutrients and electrical impulses. Answers: There are found in smooth muscle and cardiac muscle. They are found only in the SA node cells. They allow cardiac muscle cells to share nutrients and electrical impulses. They are the contractile filaments of the cardiac muscle cells. • Question 40 1 out of 1 points Type O blood is the universal recipient blood type. Selected Answer: Fals e Answers: True Fals e • Question 41 1 out of 1 points Which anatomical structure ensures the heart valves only open and close in one direction? Selected Answer: Chordae tendinae Answers: Cusps Trabeculae carneae Chordae tendinae Epicardium • Question 42 T Helper cells are involved in cellular and humoral immunity activation. 1 out of 1 points Selected Answer: Tru e Answers: Tru e False • Question 43 1 out of 1 points Which of the following is true of the trachea? Selected Answer: Its lumen is lined with cilia. Answers: It has over 30 supportive cartilage rings. Its lumen is lined with cilia. The respiratory cilia within the lumen move the mucus downward, toward the lungs. The trachea is posterior to the esophagus. • Question 44 1 out of 1 points Cardiac output is the amount of blood ejected from both ventricles with each contraction. Selected Answer: Fals e Answers: True Fals e • Question 45 1 out of 1 points For inspiration to occur, intrapulmonary pressure must be higher than atmospheric pressure? Selected Answer: Fals e Answers: True Fals e • Question 46 1 out of 1 points For expiration to occur, the intrapulmonary pressure has to: Selected Answer: Increase compared to atmospheric air pressure Answers: Increase compared to atmospheric air pressure Decrease compared to atmospheric air pressure • Question 47 1 out of 1 points An abnormal clot formation within a blood vessel is referred to as: Selected Answer: Thrombi Answers: Emboli Thrombi Hemosta sis Sclerosis • Question 48 Which of the following is true regarding the heart valves? Selected 1 out of 1 points Answer: The Lub sound of the heart is produced when the AV valves close. c. The right AV valve has only two cusps. Answers: The heart contains 5 heart valves. The left AV valve is also called the pulmonary valve. The Lub sound of the heart is produced when the AV valves close. c. The right AV valve has only two cusps. • Question 49 0 out of 1 points As the inspiratory muscles contract, the thoracic volume increases leading to an increase of pulmonary volume, which increases the intrapulmonary pressure. Selected Answer: True Answers: True Fals e • Question 50 1 out of 1 points Oxygen and carbon dioxide gas exchange in the lungs occurs due to: Selected Answer: Diffusion Answers: Active transport Diffusion Osmosis Facilitated transport