DAANCE Practice Test Questions And Answers Verified 100% Correct

DAANCE Practice Test Questions And Answers Verified 100% Correct Norepinepherine - ANSWER *Close relative of epinephrine or adrenaline. *Secreted by adrenal gland. *Principal neurotransmitter of sympathetic nerve endings supplying major organs and skin. *Increase blood pressure and rate/depth of breathing *raises blood sugar level and decreases intestine activity. Ketamine - ANSWER Stimulates the vital centers and causes an increase in blood pressure and pulse. Anticholinergics - ANSWER Drugs that counteract parasympathetic stimulation Help reduce the production of secretions that are stimulated by the parasympathetic nerves. Epinephrine - ANSWER Used in cardiac arrest in an attempt to stimulate adrenergic receptors and re-establish electrical conductivity through the conduction system of the heart. Ephederine - ANSWER Used in the management of hypotension and adrenergic blocking drugs. Labetalol and esmalol Drugs used to treat asthma attacks and severe allergic reactions - ANSWER Albuterol and epinephrine Mitral valve - ANSWER Carries carbon dioxide and cell waste Prevents back flow of the heart Ischemia - ANSWER Reduced oxygen supply damages the heart cells, but does not actually cause necrosis (death of cells) Angina pectoris - ANSWER chest pain Results from ischemia of the myocardium Usually occurs during exertion Relieved by rest or nitroglycerin Difference between veins and arteries - ANSWER Arteries have much thicker walls to handle the pressure of the blood flow Cardiac output - ANSWER Stroke volume x heart rate Bradycardia - ANSWER Less than 60 bpm Tachycardia - ANSWER greater than 100 bpm sinoatrial node (SA node) - ANSWER Conducting system that determines heart rate "Pacemaker" of the heart Bundle of His - ANSWER *Transmits the electrical impulse through a special band of cardiac muscle fibers. *Carry the impulse that stimulates the ventricles to contract Hypoixia - ANSWER Lack of oxygen P wave - ANSWER Reflection of depolarization which produces the muscular contraction of the atria. On the right side, the first large artery - ANSWER Brachiocephalic Difference between veins of the head and neck versus other veins in the body - ANSWER No valves in the head and neck Brachial artery breaks into the ? and connects further down the forearm - ANSWER Ulnar and radial arteries Epiglottis - ANSWER Soft tissue valve that is located at the base of the tongue and covers the larynx. Prevents any food or liquids from entering the lungs. Crycothyrotomy - ANSWER Procedure involving the passage of a large needle into the trachea Foreign objects that enter the trachea will usually lodge themselves where? - ANSWER Right lung or right bronchus Bronchioles - ANSWER One of the finer subdivisions of the branched bronchiole tree Alveoli/alveolus - ANSWER Air sacs that look like small bunches of grapes that come in contact with the capillaries of the bloodstream. Exchange of oxygen for carbon dioxide and other waste by- products occurs internal respiration - ANSWER Takes place at the cellular level when oxygen in the blood enter the cell and carbon dioxide leaves and returns to blood. anemia - ANSWER Decrease of the hemoglobin concentration Normal levels 14 to 18 g/100mL in males 12 to 16g/100mL in females arterial blood vs. venous blood - ANSWER Dead space - ANSWER Area where gases are not exchanged. Extends from the pharynx to the bronchioles Tidal volume - ANSWER Amount of air that is inhaled and exhaled