Order: ceftriaxone 2 g in 100 mL of 0.9% NaCI (normal saline solution) over 30 minutes
Available: Macro drip set: 15 gtt/mL
Calculate the IV flow rate in gtt/min.
50 gtt/min
15 gtt/min
10 gtt/min
100 gtt/min
The Correct Answer is A
1. Determine the total volume to be infused: 100 mL
2. Calculate the infusion time in minutes: 30 minutes
3. Calculate the drip rate (gtt/min):
Drip rate = (Total volume / Infusion time) x Drop factor
Drip rate = (100 mL / 30 minutes) x 15 gtt/mL
Drip rate = 50 gtt/min
Therefore, the correct answer is 50 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) The two main purposes for diuretics are to decrease fluid and decrease hypertension (lower blood pressure):
Diuretics primarily work by promoting the excretion of excess sodium and water from the body, which decreases fluid volume. This reduction in fluid volume helps to lower blood pressure, especially in conditions like hypertension and heart failure, where fluid buildup can exacerbate symptoms.
B) The two main purposes are to decrease fluid volume in the tissues and circulation, increasing blood pressure:
The primary purpose of diuretics is to decrease fluid volume, which helps lower blood pressure, not increase it. Diuretics are used to reduce the workload on the heart and the risk of complications like stroke and heart failure by lowering blood pressure and removing excess fluid from the body.
C) The two main purposes of diuretics are to increase fluid in the body and blood pressure:
Diuretics do not increase fluid in the body. In fact, they decrease fluid in the body to help reduce blood pressure. This option contradicts the fundamental mechanism of action of diuretics.
D) The two main purposes of diuretics are to increase circulating fluid and lower blood pressure:
Diuretics do not increase circulating fluid; they decrease it. By promoting the excretion of sodium and water, diuretics decrease the volume of circulating fluid, which is a key factor in lowering blood pressure.
Correct Answer is D
Explanation
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.
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