CARDIAC Exam 3 Questions and Answers Latest Versions 2025 Top Rated A+

CARDIAC Exam 3 Questions
and Answers Latest Versions
2025 Top Rated A+
How is platelet function tested? What is normal? What indicates bleeding risk? -
CORRECT ANSWER-Bleeding time

Normal 2-7 mins

Over 7-8 minutes may indicate bleeding risk



What is a normal platelet count? What are the significant abnormal counts? -
CORRECT ANSWER-Normal 150-300k

< 100K thrombocytopenia

< 50K surgical bleeding risk

< 20K spontaneous bleeding

The central feature of coagulation is the formation of .-
CORRECT ANSWER-fibrin



What 3 factors does fibrin require? - CORRECT ANSWER-fibrinogen, calcium,
thrombin



What 3 factors does thrombin require? - CORRECT ANSWER-prothrombin,
calcium, factor X



Name factors I - IV: - CORRECT ANSWER-Factor I - fibrinogen

,Factor Ia - fibrin

Factor II - prothrombin

Factor IIa i- thrombin

Factor III - thromboplastin aka tissue thromboplastin aka tissue factor

Factor IV - calcium



What are the factors of the common pathway, the extrinsic pathway and the
intrinsic pathway? - CORRECT ANSWER-Common pathway

V, X, I, II and XIII



Extrinsic

III, VII

Intrinsic

VIII, IX, XI, XII



Extrinsic vs intrinsic pathway:

Speed, trigger, lab test



What do they both lead to? - CORRECT ANSWER-Extrinsic

Fast, explosive

Triggered by tissue damage

PT



Intrinsic

, Slower

Triggered by endothelial collagen

PTT



*both lead to factor X



Factor deficiency is a rare cause of bleeding disorder - CORRECT
ANSWER-XIII
Coagulation is triggered by .



The common pathway is triggered by .



What pathways creates fibrin? - CORRECT ANSWER-Factor III - tissue factor



Factor X



common



What are the phases of the cell based theory? - CORRECT ANSWER-Initiation

Amplification

Propagation



Factor VII is made in the and vW is synthesized by .