Order: Magnesium Sulfate 1 gram in 100mLs 0.09% NaCl over 2 hours. IV tubing has a drop factor of 30 gtt/mL. How many drops per minute will you give?
25 gtt/min
1500 gtt/min
50 gtt/min
83 gtt/min
The Correct Answer is C
A. 25 gtt/min: Calculating the correct rate reveals that this is not the correct answer.
B. 1500 gtt/min: This rate is too high; the calculation does not support this answer.
C. 50 gtt/min: To calculate: (100 mL / 120 min) × 30 gtt/mL = 50 gtt/min.
D. 83 gtt/min: This is too high based on the calculation.
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Correct Answer is ["A","B","C","D"]
Explanation
A. Smoking: Smoking is a modifiable risk factor as quitting smoking reduces the risk of atherosclerosis.
B. Hypertension: High blood pressure can be managed through lifestyle changes and medication, making it a modifiable risk factor.
C. Hypercholesterolemia: High cholesterol levels can be controlled through diet, exercise, and medications, making it modifiable.
D. Obesity: Obesity is a modifiable risk factor, as weight loss through diet and exercise can reduce the risk of atherosclerosis.
E. Genetic predisposition: Genetic predisposition is non-modifiable, meaning individuals cannot change their inherited risk for atherosclerosis.
Correct Answer is B
Explanation
A. Swelling of the lower extremity can create a wound that is difficult to heal. Swelling typically relates to venous ulcers, not arterial ulcers, which are caused by reduced blood flow.
B. Decreased blood flow to the area can cause the wound and decrease the healing. Peripheral artery disease causes decreased blood flow, leading to poor oxygenation and slow healing of arterial ulcers.
C. Lower extremity compression stockings likely caused the wound to occur. Compression stockings are used in venous insufficiency and do not cause arterial ulcers.
D. Increased blood sugar associated with the condition is likely the cause of the wound not healing. While high blood sugar can impair healing, decreased blood flow is the primary cause of arterial ulcers in PAD.