NSG 360: Hematologic System Exam #4
Questions and Answers with Verified
Solutions | Latest Updated 2026
What are the three steps of clot 1: Vascular spasm
formation? 2: Platelet plug formation
3: Coagulation
What herbs lengthen clot time - garlic
(longer to form clot)? - ginger
- gingko biloba
- green tea
- kava
What herbs shorten clotting time ginseng
(clots occur faster)?
What is the prototype, class, and Heparin
action of Indirect Thrombin - Coagulation Med
Inhibitors? - activates anti-thrombin and inactivates
factor Xa.
What are the AE and AE
contraindications of Heparin - bleeding, heparin induced
(Indirect Thrombin Inhibitors)? thrombocytopenia
(clotting too past).
C
- those with bleeding or a high risk to
bleed.
, What are the interactions with drugs or herbs that increase clotting time
Heparin (Indirect Thrombin may
Inhibitors)? induce bleeding.
What is the onset and duration of Onset
Heparin (Indirect Thrombin - SQ 30-60 minutes/IV immediate.
Inhibitors)? Duration
- 8-12 hours/half life is 90 minutes.
Why is Enoxaparin (Lovenox) it has a short half-life.
used - used to prevent DVT and PE after
for orthopedic surgeries? surgery.
How do we want to give Lovenox? We want to give it SUBQ and leave the
Who shouldn't we give this to? bubble in
the syringe.
- Never IM.
- Don't give if they don't want pork
products.
What is the prototype and action of Warfarin
the Anti-Coagulant that is a - Inhibits enzymes needed to activate
Vitamin K vitamin K.
Antagonist? - In babies, Vitamin K is given as a shot for
clotting
factors. It naturally occurs on day 7.
What are the adverse effects and AE
contraindications of Warfarin - bleeding
(Vitamin K Antagonists)? C
- those with bleeding or at high risk to
bleed.
Questions and Answers with Verified
Solutions | Latest Updated 2026
What are the three steps of clot 1: Vascular spasm
formation? 2: Platelet plug formation
3: Coagulation
What herbs lengthen clot time - garlic
(longer to form clot)? - ginger
- gingko biloba
- green tea
- kava
What herbs shorten clotting time ginseng
(clots occur faster)?
What is the prototype, class, and Heparin
action of Indirect Thrombin - Coagulation Med
Inhibitors? - activates anti-thrombin and inactivates
factor Xa.
What are the AE and AE
contraindications of Heparin - bleeding, heparin induced
(Indirect Thrombin Inhibitors)? thrombocytopenia
(clotting too past).
C
- those with bleeding or a high risk to
bleed.
, What are the interactions with drugs or herbs that increase clotting time
Heparin (Indirect Thrombin may
Inhibitors)? induce bleeding.
What is the onset and duration of Onset
Heparin (Indirect Thrombin - SQ 30-60 minutes/IV immediate.
Inhibitors)? Duration
- 8-12 hours/half life is 90 minutes.
Why is Enoxaparin (Lovenox) it has a short half-life.
used - used to prevent DVT and PE after
for orthopedic surgeries? surgery.
How do we want to give Lovenox? We want to give it SUBQ and leave the
Who shouldn't we give this to? bubble in
the syringe.
- Never IM.
- Don't give if they don't want pork
products.
What is the prototype and action of Warfarin
the Anti-Coagulant that is a - Inhibits enzymes needed to activate
Vitamin K vitamin K.
Antagonist? - In babies, Vitamin K is given as a shot for
clotting
factors. It naturally occurs on day 7.
What are the adverse effects and AE
contraindications of Warfarin - bleeding
(Vitamin K Antagonists)? C
- those with bleeding or at high risk to
bleed.
