A male client weighing 175 pounds is to receive an intramuscular injection into his deltoid of two milliliters (2 mL) of a viscous fluid.
Which needle size should a nurse use?
1/2 inch, 25 gauge.
1 inch, 23 gauge.
1-1/2 inches, 21 gauge.
2 inches, 16 gauge.
The Correct Answer is B
This needle size is appropriate for an intramuscular injection into the deltoid of a 175-pound adult male with a viscous fluid.
The needle length should be long enough to reach the muscle through the subcutaneous tissue, and the needle gauge should be suitable for the viscosity of the fluid. A 23-gauge needle is a common choice for intramuscular injections.
Choice A is wrong because a 1/2 inch needle is too short to reach the deltoid muscle in an adult male.
Choice C is wrong because a 1-1/2 inch needle is too long and may cause injury to the underlying nerves or blood vessels.
Choice D is wrong because a 16-gauge needle is too large and may cause excessive tissue trauma and pain.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
One drop left eye daily.
This is because it uses the correct abbreviation for left eye (os) and the correct frequency (daily).
The other choices are wrong because:
Choice A uses od which means right eye, not once daily.
Choice B uses ou which means both eyes, not each eye.
Choice C uses right ear which is not an eye drop medication. Some common eye drop prescription abbreviations are:
- gt or gtt for drop or drops
- od for right eye
- os for left eye
- ou for both eyes
- bid for twice a day
- tid for three times a day
- qid for four times a day
- prn for as needed
Correct Answer is A
Explanation
This is because the first priority for assessing an elderly client who has become confused since admission is to rule out hypoxia, which can cause or worsen delirium. Hypoxia can result from various conditions, such as pneumonia, pulmonary embolism, or heart failure.
Oxygen saturation measurement is a quick and non-invasive way to assess the oxygen level in the blood and identify hypoxia.
Choice B. Review of current medications is wrong because although medications can cause or contribute to confusion and delirium in older adults, they are not the most urgent assessment to perform.
Medications should be reviewed after ensuring adequate oxygenation and addressing other possible causes of confusion.
Choice C. Intake and output last 24 hours is wrong because although dehydration and electrolyte imbalance can cause or worsen confusion and delirium in older adults, they are not the most urgent assessment to perform.
Intake and output should be monitored after ensuring adequate oxygenation and addressing other possible causes of confusion.
Choice D. Use of hearing aids or glasses is wrong because although sensory impairment can cause or worsen confusion and delirium in older adults, it is not the most urgent assessment to perform.
The use of hearing aids or glasses should be ensured after ensuring adequate oxygenation and addressing other possible causes of confusion.
Normal ranges for oxygen saturation are 95% to 100% for healthy adults. Lower levels may indicate hypoxia or other respiratory or cardiac problems.
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