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SOLUTIONS
1. A nurse is caring for a client receiving warfarin therapy. Which test is
specifically used to standardize Prothrombin Time (PT) results for
comparison?
International Normalized Ratio (INR)
Activated Partial Thromboplastin Time (APTT)
Platelet Count
Bleeding Time
2. International Normalized Ratio (INR):
is used to monitor coumadin therapy
measures vitamin K dependent factor activity
is a calculation that standardizes the PT results
all of the above
3. A patient has been on high doses of prednisone for several months and is
suddenly taken off the medication. What potential condition should the
healthcare provider monitor for in this patient?
Diabetes mellitus
Acute liver failure
Cushing's syndrome
Adrenocortical insufficiency
4. If a patient is experiencing a thyroid crisis, what immediate respiratory
,changes might you expect to observe?
Irregular breathing patterns
, Increased rate and depth of respiration
Decreased rate and depth of respiration
No change in respiration rate or depth
5. Type 1 diabetes is characterized by:
Beta cell destruction usually leading to absolutely insulin
deficiency
An excessive amount of glucose in the blood
Slow-healing sores or frequent infections
Ketone bodies building up in the blood
6. The pt has taken corticosteroids for an extended period of time to treat
an inflammatory condition. When the inflammatory condition subsides,
what will happen if the pt stops taking the medication?
Adrenal insufficiency
Hyperadrenal function
Nothing will happen
Return of the inflammatory condition, likely worse than before
7. Describe the implications of stopping Warfarin (Coumadin) before
surgery.
Patients can immediately undergo surgery after stopping Warfarin.
Clotting factors remain active for several days after stopping
Warfarin, necessitating a waiting period before surgery.
Warfarin must be stopped for at least a week before surgery.
Stopping Warfarin has no effect on clotting factors.
, 8. Describe the significance of thrombosis in relation to vascular health.
Thrombosis is a normal process that helps in wound healing.
Thrombosis can lead to blockages in blood vessels, which may
result in serious conditions such as heart attacks or strokes.
Thrombosis only occurs in arteries and not in veins.
Thrombosis is unrelated to blood flow and circulation.
9. Describe the role of erythropoietin in the body and its significance in
patients with renal failure.
Erythropoietin aids in the detoxification of the liver, and its
absence leads to liver failure.
Erythropoietin is responsible for fluid balance, and its lack causes
dehydration.
Erythropoietin stimulates the production of red blood cells in
the bone marrow, and its deficiency in renal failure leads to
anemia.
Erythropoietin regulates blood sugar levels, and its deficiency
causes diabetes.
10. Why is it important to ask patients about the frequency and magnitude
of their seizures before a surgical procedure?
To evaluate the effectiveness of their medications
To assess the risk of seizure activity during the procedure
To decide on the type of anesthesia to use
To determine the patient's pain tolerance
11. What physiological event does the QRS complex represent in an EKG?
Depolarization of the ventricles