Low molecular weight heparin (LMWH) is used for what type of patient?
Patients with. hypertension
Patients with asthma
Patients with diabetes
Patients with deep vein thrombosis (DVT)
The Correct Answer is D
A) Patients with hypertension
Low molecular weight heparin (LMWH) is not primarily used to treat hypertension. Hypertension (high blood pressure) is typically managed with antihypertensive medications like ACE inhibitors, beta-blockers, diuretics, or calcium channel blockers. LMWH is an anticoagulant, which works to prevent blood clots rather than controlling blood pressure.
B) Patients with asthma
LMWH is not typically used to treat asthma. Asthma is a chronic respiratory condition that is usually managed with bronchodilators (e.g., albuterol) and anti-inflammatory drugs such as corticosteroids. While patients with asthma may be at risk for blood clots under certain conditions (e.g., severe asthma exacerbations, immobility), LMWH is not a first-line treatment for asthma.
C) Patients with diabetes
While people with diabetes may be at an increased risk of developing blood clots, LMWH is not specifically used to treat diabetes. Diabetes is typically managed with insulin, oral hypoglycemic agents, lifestyle modifications, and other medications to control blood glucose levels. LMWH is an anticoagulant used for conditions that require prevention of clot formation, such as deep vein thrombosis (DVT).
D) Patients with deep vein thrombosis (DVT)
LMWH is commonly prescribed to patients with deep vein thrombosis (DVT). DVT occurs when a blood clot forms in a deep vein, usually in the legs. LMWH is a type of anticoagulant that prevents the formation of further clots by inhibiting factors involved in blood clotting. It is especially effective for patients with DVT or those at high risk for thromboembolic events, such as after surgery or during prolonged immobility. LMWH provides more predictable anticoagulation and requires less frequent monitoring than unfractionated heparin, making it ideal for outpatient management and in hospital settings.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Given:
Volume of fluid: 100 mL
Infusion time: 45 minutes
Step 1: Convert infusion time to hours:
Infusion time (hr) = 45 min / 60 min/hr
Infusion time (hr) = 0.75 hr
Step 2: Calculate the infusion rate in mL/hr:
Flow rate (mL/hr) = Volume (mL) / Infusion time (hr)
Flow rate (mL/hr) = 100 mL / 0.75 hr
Flow rate (mL/hr) = 133.3333333 mL/hr
Step 3: Round to the nearest whole number:
Flow rate (mL/hr) ≈ 133 mL/hr
Correct Answer is B
Explanation
Given:
Ordered dose of phenobarbital: 6 mg/kg/day divided equally every 12 hours
Patient weight: 44 lbs
Concentration of phenobarbital elixir: 20 mg/5 mL
Step 1: Convert patient weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Patient weight in kg = 44 lbs x 0.453592 kg/lb = 19.958 kg
Step 2: Calculate the total daily dose of phenobarbital:
Total daily dose (mg) = Ordered dose (mg/kg/day) x Patient weight (kg)
Total daily dose (mg) = 6 mg/kg/day x 19.958 kg
Total daily dose (mg) = 119.748 mg/day
Step 3: Calculate the dose per administration:
Dose per administration (mg) = Total daily dose (mg) / Number of administrations per day
Dose per administration (mg) = 119.748 mg/day / 2 administrations/day
Dose per administration (mg) = 59.874 mg
Step 4: Calculate the volume to be administered per dose:
Volume (mL) = Dose per administration (mg) / Concentration (mg/mL)
Volume (mL) = 59.874 mg / (20 mg/5 mL)
Volume (mL) = 59.874 mg x (5 mL / 20 mg)
Volume (mL) = 14.9685 mL
Step 5: Round to the nearest whole number:
Volume (mL) ≈ 15 mL
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