A&P 2 MIDTERM EXAM • Question 1 1 out of 1 points What is NOT true of the trachea? Answers: A. It has 16-20 supportive cartilage rings B. Its lumen is lined with cilia C. The trachea is anterior to the esophagus D. The r
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A&P 2 MIDTERM EXAM • Question 1 1 out of 1 points What is NOT true of the trachea? Answers: A. It has 16-20 supportive cartilage rings B. Its lumen is lined with cilia C. The trachea is anterior to the esophagus D. The respiratory cilia within the lumen move the mucus downward, toward the lungs • Question 2 1 out of 1 points What is the most numerous type of leukocyte? Answers: A. Eosinophil B. Lymphocyte C. Basophil D. Neutrophil • Question 3 1 out of 1 points This portion of the cardiac condution system controls the rate at which the heart contracts? Answers: A. Purkinje fibers B. AV node C. SA node D. Myocaridum • Question 4 1 out of 1 points What is true of gas exchange within the lungs? Answers: A. It can occur all along the respiratory tree B. Occurs through and with the type I alveolar cells C. Occurs in the bronchioles and alveolar sacs D. Occurs through and with the type II alveolar cells • Question 5 1 out of 1 points What portion of the EKG wave pertains ventricles contracting during the cardiac cycle? Answers: A. QRS complex B. S wave C. T wave D. P wave • Question 6 1 out of 1 points Antibodies are specific to one type of epitope? Answers: True False • Question 7 1 out of 1 points For inspiration to occur, intrapulmonary pressure must be higher than atmospheric pressure? Answers: True False • Question 8 1 out of 1 points What is NOT true regarding the larynx? Answers: A. Thyroid cartilage is a supportive cartilage framework for the larynx B. The vocal folds (cords) produce sound when air vibrates them C. The larynx is located posterior to the larngopharyx and trachea D. The vestibular folds assist in closing the glottis to prevent food and water entering the trachea • Question 9 1 out of 1 points The pulmonary arteries contain deoxygenated blood? Answers: True False • Question 10 1 out of 1 points What is NOT true regarding the heart valves? Answers: A. The left AV valve is also called the mitral valve B. The right AV valve has only two cusps C. The Lub sound of the heart is produced when the AV valves close D. The heart contains 4 heart valves • Question 11 1 out of 1 points The right atrium and right ventricle will contract first, then the left atrium and ventricle contract? Answers: True False • Question 12 1 out of 1 points What is the secretion by the type II alveolar cells that prevent the lungs from collapsing between each breath by reducing surface tension? Answers: A. Pulmonary fluid B. Mucous C. Surfactant D. Water • Question 13 1 out of 1 points What is NOT true of the hemostasis process? Answers: A. Only the intrinisic pathway will convert prothrombin to the active form of thrombin B. Fibrin is an insoluble protein thread that will cross-link the platelets in the platelet plug together C. Calcium is needed for the hemostasis process to be complete D. Thrombin activates fibrinogen to fibrin • Question 14 1 out of 1 points The nasal conchae assist in the filtering and moistening incoming air within the nasal cavity? Answers: True False • Question 15 1 out of 1 points Inhaled air is warmed, humidified and moistened primarily by the nasal conchae? Answers: True False • Question 16 1 out of 1 points What term best describes the amount of air expelled from the lungs after a maximum inspiratory effort? Answers: A. Residual volume B. Total lung capacity C. Vital capacity D. Tidal volume • Question 17 1 out of 1 points What is the correct pathway of the cardiac conduction system? Answers: A. SA node – AV node – Bundle of His – Right/Left bundle branches – Purkinje fibers B. AV node – Bundle of His – Right/Left bundle branches – Purkinje fibers C. SA node – AV node – Bundle of His – Purkinje fibers – Right/Left bundle branches D. Bundle of His – AV node - SA node – Purkinje fibers – Right/Left bundle branches • Question 18 1 out of 1 points Oxygen and carbon dioxide gas exchange in the lungs occurs due to: Answers: A. Facilitated transport B. Diffusion C. Active transport D. Osmosis • Question 19 1 out of 1 points What statement is NOT true of veins? Answers: A. They contain valves within them B. They start forming after blood travels through a capillary bed C. They typically carry oxygenated blood D. They carry blood back to the right atrium of the heart • Question 20 1 out of 1 points What factor will not directly affect stroke volume? Answers: A. Strength of cardiac muscle contraction B. Respiration rate C. Amount of blood the ventricles fill up with D. High blood pressure • Question 21 1 out of 1 points The right lung has two lobes? Answers: True False • Question 22 1 out of 1 points The primary role of the smooth muscle surrounding the bronchi is to provide structural support. Answers: True False • Question 23 1 out of 1 points The visceral pleura is found attached to the inner surface of the ribs? Answers: True False • Question 24 1 out of 1 points The bronchial tree allows the passage of inspired air to reach the alveolar sacs for gas exchange to occur? Answers: True False • Question 25 1 out of 1 points Anemia is classified and defined as the body being iron deficient? Answers: True False • Question 26 1 out of 1 points For expiration to occur, the intrapulmonary pressure has to: Answers: A. Increase compared to atmospheric air pressure B. Decrease compared to atmospheric air pressure • Question 27 1 out of 1 points What is true of the intercalated discs? Answers: A. They are found only in the SA node cells B. They are the contractile filaments of the cardiac muscle cells C. There are found in smooth muscle and cardiac muscle D. They allow cardiac muscle cells to share nutrients and electrical impulses • Question 28 1 out of 1 points Coagulation is the final step in the hemostasis process? Answers: True False • Question 29 1 out of 1 points The left ventricle: Answers: A. Pumps blood to the pulmonary circuit B. Pumps blood to the body circuit C. Receives blood from the pulmonary circuit D. Receives blood from the body circuit • Question 30 0 out of 1 points Type O blood is the universal recipient blood type? Answers: True False • Question 31 1 out of 1 points The right atrium: Answers: A. Receives blood from the pulmonary circuit B. Pumps blood to the body circuit C. Pumps blood to the pulmonary circuit D. Receives blood from the body circuit • Question 32 1 out of 1 points T Helper cells are involved in cellular and humoral immunity activation? Answers: True False • Question 33 1 out of 1 points Humoral immunity involves the production of antibodies that will attack any and all bacteria or viruses? Answers: True False • Question 34 1 out of 1 points What anatomical structure ensures the heart valves only open and close in one direction? Answers: A. Chordae tendinae B. Epicardium C. Cusps D. Trabeculae carneae • Question 35 1 out of 1 points An abnormal clot formation within a blood vessel is referred to as: Answers: A. Sclerosis B. Thrombus C. Embolus D. Hemostasis • Question 36 1 out of 1 points What is NOT true of the pleura of the lungs? Answers: A. It is composed of two layers B. The pleura covers the internal surfaces of the alveolar sacs C. The pleural cavity allows the lungs to expand and contract without friction D. They assist in the breathing process • Question 37 1 out of 1 points What portion of the EKG wave pertains to the atria undergoing depolarization? Answers: A. T wave B. P wave C. S wave D. QRS complex • Question 38 1 out of 1 points What is true of polycythemia? Answers: A. It can be caused by cancer of the red bone marrow B. More commonly seen in females C. It is a condition where there are too few erythrocytes D. It is a condition where there are too many leukocytes • Question 39 1 out of 1 points Cardiac output is the amount of blood ejected from both ventricles with each contraction? Answers: True False • Question 40 1 out of 1 points What statement is true of capillaries? Answers: A. They are found only in selected areas of the body B. Have very a thick layer of smooth muscle surrounding them. C. They carry oxygenated blood out to the body D. They allow for nutrient and gas exchange within the body • Question 41 1 out of 1 points The thoracic and pulmonary volumes can both increase? Answers: True False • Question 42 1 out of 1 points The trachealis muscle is located on the posterior aspect of the trachea, facing the esophagus? Answers: True False • Question 43 1 out of 1 points What is true of thrombocytopenia? Answers: A. It results in an decrease function of the immune system B. It is only a concern in older individuals C. It can lead to abnormal long bleeding times D. Commonly is caused by a lack of iron in the body • Question 44 1 out of 1 points What is true of cellular immunity? Answers: A. Only occurs in the lymph nodes of the body B. B lymphocytes are involved C. Cytotoxic T cells are produced D. Antibodies are produced • Question 45 1 out of 1 points The exposure rate of a pathogen determines the effectiveness of innate defenses? Answers: True False • Question 46 1 out of 1 points What is NOT true regarding inflammation? Answers: A. Heat is one of the symptoms of inflammation B. Histamine stimulates the process of vasodilation C. It stimulates a fever to develop D. It causes increased vascular permeability to allow for white blood cells to squeeze out of the capillaries • Question 47 0 out of 1 points Arterioles are the smallest form of an artery and is where gas exchange occurs? Answers: True False • Question 48 1 out of 1 points What is NOT true about the breathing process? Answers: A. The diaphragm and intercostal muscles are respiratory muscles B. The pleura of the lungs play a role in the breathing process C. For air to enter into the lungs, the atmospheric pressure has to be lower than intrapulmonary pressure D. As lung volume decreases intrapulmonary pressure increases • Question 49 1 out of 1 points Cardiac output is measured by multiplying heart rate (per minute) by breathing rate (per minute)? Answers: True False • Question 50 1 out of 1 points What is NOT true of erythrocytes? Answers: A. They consist of millions of hemoglobin molecules B. Their life span is about 3-4 weeks C. They contain iron D. They are synthesized by the red bone marrow • Question 51 1 out of 1 points Only arteries undergo vasoconstriction and vasodilation? Answers: True False • Question 52 1 out of 1 points What term best describes the normal amount of air that is brought into and out of the lungs during quiet or resting breathing? Answers: A. Vital capacity B. Inspiratory volume C. Residual volume D. Tidal volume • Question 53 1 out of 1 points Stroke volume is the measurement of: Answers: A. The amount of blood that fills up an atrium prior to contraction B. The amount of blood that fills up a ventricle prior to contraction C. The amount of blood that is ejected from a ventricle in one minute D. The amount of blood that is ejected from a ventricle with each contraction • Question 54 1 out of 1 points What muscle is not considered a respiratory muscle? Answers: A. Diaphragm muscle B. Pectoralis major muscle C. Intercostal muscles D. Scalene muscles • Question 55 1 out of 1 points What is NOT a role of the nasal cavity? Answers: A. Houses sense receptors for smell B. Moisten and warm incoming air C. Filter and clean incoming air D. Concentrate the oxygen of incoming air • Question 56 1 out of 1 points As the inspiratory muscles contract, the thoracic volume increases leading to an increase of pulmonary volume, which decreases the intrapulmonary pressure. Answers: True False • Question 57 1 out of 1 points What type of humoral immunity is generated when an individual receives an infection from another person? Answers: A. Passive acquired humoral immunity B. Passive natural humoral immunity C. Active acquired humoral immunity D. Active natural humoral immunity • Question 58 1 out of 1 points Increased heart rate will increase the overall cardiac output? Answers: True False • Question 59 1 out of 1 points What is NOT a benefit to the inflammatory process? Answers: A. It helps prevent the spread of pathogens B. It helps initiate the repair process C. Initiates the production of T-cytotoxic cells D. Acts as an alarm for the adaptive immune system • Question 60 1 out of 1 points What type of plasma protein plays a role within maintaining plasma osmotic pressure, blood pressure and is the most numerous? Answers: A. Albumin B. Globins C. Fibrinogen D. Elastin
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