Cath Lab Exam 1 Questions and Answers 2025.

Cath Lab Exam 1

•High-pressure jsystem.
Vascular jsystem
• Thicker jvessel jwalls/smaller jlumen.
jreview j- jArteries
• Blood jflows jfrom jlarge jvessels jto jsmall.
• Carries joxygen jrich jblood jto jthe jbody jexcept jfor jthe
jpulmonary jsystem. jPulmonary jarteries jcarry joxygen

jpoor jblood jto jthe jlungs jfrom jthe jheart.



2. •Low-pressure jsystem.
Vascular jSystem
• Thinner jvessel jwalls/larger jlumen.
jReview j-Veins
• Blood jflows jfrom jsmall jvessels jto jlarge-Barring jthe
jportal jsystem.

• Carries joxygen-poor jblood jfrom jthe jbody jexcept jin
jthe jpulmonary jsystem. jPulmonary jvein jcarries joxy-

jgen-rich jblood jfrom jthe jlungs jto jthe jheart.



3. 1.Tunica jintima
What jare jthe jlay-
2. Tunica jmedia
jers jof jArteries jand
3. Tunica jadventitia
jVeins?
- The jthree jlayers jof jthe jvessels jare jcalled jtunica
jwhich jmeans jcloak.



4. Venous jvalves
- Veins

4. •Inner jmost jlayer jthat jlines jthe jlumen.
Tunica jIntima
• Contains jthe jendothelium.
-Smooth jinner jsurface jminimizes jfriction jas jblood
jflows jthrough jthe jvessel jlumen



5. - jMiddle jlayer
Tunica jMedia
• Muscular jportion jof jthe jvessel.
• Controls jblood jpressure j(BP) jby:

Vasodilation
-Reduces jBP
• Muscle jrelaxation.
• Widens jthe jvessel jlumen

jVasoconstriction



, Cath Lab Exam 1

-Increases jBP
• Smooth jmuscle jcontraction
• Reduces jthe jdiameter jof jthe jlumen

6. •Outermost jlayer jof jthe jvessel jwall. Tunica jAdventitia
• Loosely jwoven jcollagen jfibers jprotect jthe jvessel jand
janchors jit jto jthe jsurrounding jtissue.



7. SVC j& jIVC j- jRA j-jTricuspidjValve j- jRV j- jPulmonic jValve Circulation
- jPulmonary jArteries

*CO2 jdropped j- jO2 jpicked jup*

Pulmonary jVeins j- jLA j- jBicuspid jvalve j- jLV j- jAortic
jValve j- j Aorta



8. - jPhysician 4 jperson jteam j=
- Monitor jtech jthe...

- Scrub jtech
- Circulator

9. 1) jpt. jenters jthe jroom j-team jmeets jand jaccesses jpt. PRE-PROCE-
2) pt. jmoved jto jtable jattached jto jmonitoring jequip. DURE jsteps jare j...
3) pt. jcovered jwith jwarm jblanket/towel
4) Groin jshaved/scrub jtech jpreps.
5) pt. jprepped jand jdraped/Doctor jpreps

10. 1) jDoctor jor jtech janesthetize. Procedure jsteps
2) Nick jand jspread jare j....

3) Needle jinto jvessel
4) Wire jin/needle jout/sheath jin
5) Catheter jin
- Measure jpressures
- Make jinjections
- Take jpictures

11. 1) jSheath jout/ jpressure japplied jvs. jclosure jdevice POST jPROCE-
2) Final jvitals DURE jsteps jare...
3) Bust jtable
4) Empty jtrash jto jmain jbin