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A collection of questions and answers related to electrocardiography (ekg) and medical exams. It covers a wide range of topics, including the anatomy and physiology of the heart, the mechanics of ekg, and various heart conditions and their associated symptoms. Detailed explanations and correct answers to the questions, making it a valuable resource for individuals preparing for medical exams or seeking to deepen their understanding of ekg and cardiovascular health. Regularly updated, with the latest version being from 2024, ensuring the information is current and relevant. Overall, this document could be a useful study aid for medical students, healthcare professionals, or anyone interested in learning more about ekg and cardiovascular health.
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Patient ____________ may be more important in obtaining a diagnostically pure EKG than the mechanics of the EKG itself - Correct Answer ✅Psychology The four valves that regulate blood through the heart are the
The ________ is the part of the brain that controls autonomic functions such as breathing, heart functions, and blood vessel function. - Correct Answer ✅medulla ______________ enters the lungs with each inhalation; while _____________________ exits the lungs with each exhalation - Correct Answer ✅oxygen; carbon dioxide Not every QRS-Complex holds a ____ wave, _____wave, _____or a ________ wave - Correct Answer ✅Q, R, S Oxygen rich blood from the lungs goes to the heart through the __________ veins - Correct Answer ✅Pulmonary Abnormally fast respiration rates are called __________________ which is a rate of more than __________ breaths per minutes - Correct Answer ✅tachypnea: 20 Abnormally low respiration rates are called _____________ which is a rate of less than ______ breaths per minute - Correct Answer ✅bradypnea; 12
Body temperature will ____________ with the intake of calorie rich food and drinks - Correct Answer ✅increase The EKG tracing will return to the baseline, known as the _________________ meaning there is no electrical activity - Correct Answer ✅isoelectric line __________________- is a resting heart rate of more than 100 bpm - Correct Answer ✅tachycardia Color Code White: - Correct Answer ✅right arm Color Code Black - Correct Answer ✅left arm Color Code Red - Correct Answer ✅left leg Color Code Green - Correct Answer ✅right leg The pulmonic valve is located and controls the blood flow from the _____________________ into the
____________________________ - Correct Answer ✅right ventricle into the pulmonary artery Venous blood is richer in oxygen than arterial blood - Correct Answer ✅False ___________ in an EKG patients to any disturbance that will result in the printout being unreadable - Correct Answer ✅Artifact The ____________ pumps blood into the aorta - Correct Answer ✅left ventricle A normal pulse rate for an adult of 13 years and older is ___________-bpm; while the pulse rate for a newborn is ____________bpm - Correct Answer ✅60-100 & 120- the _________ is the wall of muscle that separates the atria and the ventricles - Correct Answer ✅septum
The standard speed for an EKG printout is _______________ and must be saved for ________ years - Correct Answer ✅25mm/s ; 5 _____________ is a molecule which store energy the body needs for the muscle fibers of the heart to contract momentarily - Correct Answer ✅ATP An EKG can be done to evaluate the functions of mechanical devices such as _______________- - Correct Answer ✅pacemaker the ________ valve is located and regulated blood flow between the right atrium and the right ventricle - Correct Answer ✅tricuspid ______________ is a heart condition in which fatty materials collect on the artery walls - Correct Answer ✅atherosclerosis the left atrium receives blood that is returning from the _____________________ - Correct Answer ✅pulmonary veins
____________________ technicians monitor 3-D tracings of the activity of the heart - Correct Answer ✅vectorcardiograph Chest leads record the _____________ dimensions of the heart from front to _____________ - Correct Answer ✅3rd; Rear Illnesses such as ______________ put an increased metabolic demand on the body and cause the heart rate to increase due to ____________________ - Correct Answer ✅fever; oxygen requirements The average hearts pumps about ____________ gallons of blood a day - Correct Answer ✅2, During the EKG test procedure the electrocardiograph tech should attach the electrodes to the patient before entering the information into the machine - Correct Answer ✅True
A group of modified muscle fibers that transmit the hearts electrical impulses from the AV node to the ventricles is called the _________________________ - Correct Answer ✅Bundle of HIS Coronary artery feed _______________blood to the heart muscle itself - Correct Answer ✅oxygen-rich _________________ syndrome is a rare disorder that causes progressive damage to the autonomic nervous system which controls involuntary functions such as blood pressure, heart rate, breathing, and digestion - Correct Answer ✅Shy- Dragger Medications that could cause __________ blood pressure include drugs for Parkinsons - Correct Answer ✅Low Cardiac and muscular voltages are both generally ___________
_____________________ is the electrical recovery of the heart as cells recharge - Correct Answer ✅Repolarization The lub-dub is when the heart_________are closing - Correct Answer ✅valves The body returns oxygen ___________ blood to the heart via the vena cava - Correct Answer ✅deprived A sudden drop in blood pressure after eating is known as ___________ - Correct Answer ✅post-prandial hypotension The _______________ is the largest vein in the body - Correct Answer ✅vena cava The transition period between the conclusion of ventricular contraction and the beginning of electrical recovery is the ____________________ - Correct Answer ✅ST-Segment
Myocardial Infarction is a condition in which? - Correct Answer ✅blood flow to parts of the heart are blocked The minimum pressure at the time the heart is in a relaxation and dilation period is the __________? - Correct Answer ✅Dystolic The _____________ is located in the upper wall of the right atrium - Correct Answer ✅SA Node _____________________is a heart condition in which a weakening or change of the heart muscle occurs - Correct Answer ✅cardiomyopathy The upper chambers are the - Correct Answer ✅receiving Chest leads are numbered how? - Correct Answer ✅V1-V Chest leads are places - Correct Answer ✅right to left
Blood pressure is the pressure exerted by the circulating blood upon the walls of _________________ - Correct Answer ✅blood vessels T-waves represents? - Correct Answer ✅repolarization of ventricles The SA node is also known as - Correct Answer ✅natural pacemaker ____________hypertension develops slowly over many years _____________-hypertension appears suddenly and is caused by an underlying condition - Correct Answer ✅primary; secondary Myocardial Ischemia is a condition in which - Correct Answer ✅blood flow to the heart is temporarily decreased What is the hardest working chamber - Correct Answer ✅left ventricle
The lower chambers of the heart are the? - Correct Answer ✅Pumping heart murmur - Correct Answer ✅sounds of the heart caused by turbulent heart flow