A nurse is preparing to administer amoxicillin 300 mg PO. The amount lable is amoxicillin oral solution 250 mg/5 mL. How many mL should the nurse administer? (Hound the answer to the nearest tenth/whole number. Use a leading zero if it applies. Do not use a trailing zero.)
10 mL
6 mL
5 ml
7 mL
The Correct Answer is B
Given:
Ordered dose of amoxicillin: 300 mg
Concentration of amoxicillin oral solution: 250 mg/5 mL
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
300 mg / Volume = 250 mg/5 mL
Step 3: Solve for the unknown volume:
Volume = 300 mg / (250 mg/5 mL)
Volume = 300 mg x (5 mL / 250 mg)
Volume = 6 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) There is an increased risk of hyperthyroidism:
High levels of LDL cholesterol are not associated with hyperthyroidism. Hyperthyroidism is a condition related to an overactive thyroid gland, which affects metabolism and hormone levels but does not directly impact LDL cholesterol levels.
B) There is an increased risk of heart disease:
LDL cholesterol, often referred to as "bad cholesterol," contributes to the buildup of fatty plaques in the walls of arteries, a process known as atherosclerosis. This buildup can narrow and harden the arteries, leading to reduced blood flow and increasing the risk of heart disease, including conditions such as coronary artery disease, heart attack, and stroke. High LDL levels are considered one of the most significant modifiable risk factors for cardiovascular disease.
C) There is the possibility of digestive problems:
While very high cholesterol levels can sometimes contribute to the formation of gallstones, high LDL cholesterol levels are not directly linked to digestive problems. The primary concern with high LDL is its contribution to cardiovascular disease rather than digestive health.
D) There is an increased risk of rhabdomyolysis:
Rhabdomyolysis is a condition caused by the breakdown of muscle tissue, which can lead to the release of muscle proteins into the bloodstream. While certain medications used to lower cholesterol, such as statins, can cause muscle pain and, in rare cases, lead to rhabdomyolysis, high LDL itself is not a direct cause of rhabdomyolysis. The main health concern with high LDL is its contribution to heart disease.
Correct Answer is D
Explanation
Convert ounces to millilitres (1 oz = 29.5735 mL):
6oz×29.5735mL/oz=177.441mL6
Calculate the frequency of doses per day:
The patient receives a dose every 4 hours, so in 24 hours, the number of doses is:
24hours/4hours/dose=6doses
Calculate the total volume for all doses:
177.441mL/dose×6doses=1064.646mL
Rounding to the nearest whole number=1080 mL
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