EKG Medca Exam UPDATED ACTUAL
Exam Questions and CORRECT Answers
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 - CORRECT ANSWER-
tricuspid, pulmonic, mitral, aortic
______ is the medial term for low blood pressure - CORRECT ANSWER- hypotension
_______________hypotension happens when a person goes from a sitting or lying position to a
standing position - CORRECT ANSWER- postural
the right ventricle sends blood through the pulmonary artery to the ______________? -
CORRECT ANSWER- lungs
rectal temperatures are 0.5-1 degree __________ than the temperature taken orally. - CORRECT
ANSWER- higher
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
______________ is when the cardiac cells are resting - CORRECT ANSWER- polarization
What is the formula to measure the QTc interval - CORRECT ANSWER- QTc= 1.75 +
Qt(HR-60)
William Einthoven created the first EKG machine weighing - CORRECT ANSWER-
600Lbs
The average heart beats ____________ times a day - CORRECT ANSWER- 100,000
A _____________ recors cardiac rhythm for 24-48 hours - CORRECT ANSWER- Holter
Monitor
One cardiac impulse and the recharging of its cells usually takes __________ seconds -
CORRECT ANSWER- 0.5
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
Exam Questions and CORRECT Answers
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 - CORRECT ANSWER-
tricuspid, pulmonic, mitral, aortic
______ is the medial term for low blood pressure - CORRECT ANSWER- hypotension
_______________hypotension happens when a person goes from a sitting or lying position to a
standing position - CORRECT ANSWER- postural
the right ventricle sends blood through the pulmonary artery to the ______________? -
CORRECT ANSWER- lungs
rectal temperatures are 0.5-1 degree __________ than the temperature taken orally. - CORRECT
ANSWER- higher
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
______________ is when the cardiac cells are resting - CORRECT ANSWER- polarization
What is the formula to measure the QTc interval - CORRECT ANSWER- QTc= 1.75 +
Qt(HR-60)
William Einthoven created the first EKG machine weighing - CORRECT ANSWER-
600Lbs
The average heart beats ____________ times a day - CORRECT ANSWER- 100,000
A _____________ recors cardiac rhythm for 24-48 hours - CORRECT ANSWER- Holter
Monitor
One cardiac impulse and the recharging of its cells usually takes __________ seconds -
CORRECT ANSWER- 0.5
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
