What is the formula for calculating cardiac output? Correct Ans - CO=
HR x SV
What is stroke volume related to? Correct Ans - preload
Preload is most impacted by..... Correct Ans - Increased filling volumes
A patient with chronic untreated hypertension would demonstrate....
Correct Ans - Increased afterload
Vascular resistance/pressure is most influenced by.... Correct Ans -
Radius of the vessel
The formula for BP is.... Correct Ans - BP = CO x SVR
What component of a Pulmonary Capillary Wedge pressure indicates Mitral
insufficiency Correct Ans - V wave
An elevated RVEDP is found in which pathology Correct Ans - RV
infarct
If the RA waveform is 2x the normal value, where would this be demonstrated
in the physical assessment Correct Ans - JVD
What is the most common cause of Pulmonic stenosis Correct Ans -
Congenital
The Blue proximal part of the swan is located how far from the distal tip of the
swan Correct Ans - 30 cm
When performing a thermodilution cardiac output, the operator injects 10 cc
of saline into the _____ and the temperature change is measured in the ______
Correct Ans - RA, PA
Equalization of RVEDP and LVEDP are found in Correct Ans -
restrictive pericarditis
,Signs of Right sided heart failure include Correct Ans - JVD
Based on these oxygen saturations, what type of shunt is present? SVC sat=
67% IVC sat= 71% RA sat= 85% RV sat= 85% PA sat= 85% LA sat= 98% LV
sat= 98% AO sat= 98% Correct Ans - L to R ASD
What type of ASD, located in the middle 1/3 of the atrial septum (the former
site of the fossa ovalis) is called Correct Ans - Ostium Secundum
What is the Flamm's equation Correct Ans - 3(SVC) + 1(IVC)/4
The formula used to calculate MAP is Correct Ans - 1 (systolic) + 2
(diastolic)/3
What are the four anomalies associated with Tetralogy of Fallot Correct
Ans - Pulmonic stenosis, over riding aorta, RVH, VSD
Which fetal anomaly is characterized by a large VSD over which a large single
great vessel arises Correct Ans - Truncas Arteriosus
Pulsus Paradoxus is a sign of Correct Ans - Cardiac Tamponade
What does RAD stand for Correct Ans - Radiation absorbed dose
What component of the X-ray system converts light rays into images
Correct Ans - Image intensifier
What is the maximum annual dose of radiation one can receive annually
Correct Ans - 5 REM
Lead protection should be at least how many millimeters of lead Correct
Ans - .5
What is the minimum safe distance to position oneself from the X-ray source
Correct Ans - 6 feet
In an X-ray tube what is the charge on the cathode and the anode Correct
Ans - Cathode: positive
, Anode: negative
Which view exposes the operator to the greatest amount of radiation
Correct Ans - Lateral
What converts x-rays into an image Correct Ans - Image Intensifier
The contrast that is best for a patient is Correct Ans - low osmolality
Radiolucent means Correct Ans - X-rays are permitted to pass through
Radiopaque means Correct Ans - X-rays are not permitted to pass
through
ReoPro works on Correct Ans - IIb/IIIa receptors
Heparin potentiates the action of Correct Ans - Antithrombin
Fibrinogen is converted to Fibrin by the action of Correct Ans -
Thrombin
There are _________ known pathways to imitate the clotting cascade Correct
Ans - 2
Aspirin inhibits the action of Correct Ans - Arachidonic Acid
Which agent is not an antiplatelet Correct Ans - Heparin
If a patient has diabetes and renal failure with a creatinine of 2.0 what would
you give Correct Ans - fluids to hydrate
If a patient is taking NPH insulin, which medication should not be given
Correct Ans - Protamine
Which medication is most commonly given to a patient with SVT Correct
Ans - Adenosine
True/False