All CCRN Resources
Example Questions
Example Question #1 : Ccrn
Atrial septal defects allow blood to be shunted between the left and right atria. The most common atrial septal defect is:
ostium secundum
none of the given answers are correct
sinus venosus
ostium primum
ostium secundum
There are typically three types of atrial septal defects: ostium secundum, sinus venosus, and ostium primum. Of the three, ostium secundum, which occurs around the region of the foramen ovale, is the most common.
Example Question #2 : Ccrn
Direct-acting vasodilators that are smooth muscle relaxants include which of the following medications?
I. Nitroglycerin
II. Furosemide
III. Nitroprusside
III only
I and III only
I and II only
II only
I and III only
Smooth muscle relaxants that are direct-acting vasodilators include nitroprusside and nitroglycerin. These medications, which are used in the treatment of heart failure, work to reduce cardiac filling pressures and dilate coronary arteries. Furosemide is a loop diuretic.
Example Question #3 : Ccrn
The two specialized cell types contained within the sinoatrial (SA) node:
chondrocytes and border zone cells
specialized pacemaker cells and cardiomyocytes
cardiomyocytes and border zone cells
border zone cells and specialized pacemaker cells
border zone cells and specialized pacemaker cells
The sinoatrial (SA) node contains two specialized cell types: border zone cells and specialized pacemaker cells. Cardiomyocytes are heart muscle cells, and chondrocytes are cartilage producing cells.
Example Question #4 : Ccrn
Which of the following is NOT a measurement on an arterial blood gas (ABG) analysis?
bicarbonate ion (HCO3-)
fraction of inspired oxygen (FiO2)
arterial partial pressure of carbon dioxide (PaCO2)
pH
fraction of inspired oxygen (FiO2)
Arterial blood gas (ABG) analysis includes five measurements: pH, arterial partial pressure of carbon dioxide (PaCO2), bicarbonate ion (HCO3-), arterial partial pressure of oxygen (PaO2), and base excess (BE). Fraction of inspired oxygen (FiO2) is not apart of an ABG analysis.