You are instructed to administer tobramycin 35mg IM every 8 hours. The available supply is 40mg in a 1 mL vial.

How many mL’s should the nurse administer? Round your answer to the nearest tenth. Use a leading zero if it applies.

Do not use a trailing zero.

Answer and Explanation

The Correct Answer is ["0.9 "]

Step 1: We are instructed to administer tobramycin 35mg IM every 8 hours. The available supply is 40mg in a 1 mL vial.

Step 2: We need to find out how many mL’s should the nurse administer. Step 3: We can set up a proportion to solve this.

Step 4: If 40mg is equivalent to 1mL, then 35mg is equivalent to x mL. Step 5: Solving for x gives us x = (35mg ÷ 40mg) × 1mL.

Step 6: Calculating the above expression gives us x = 0.875 mL.

Step 7: Rounding our answer to the nearest tenth, we get 0.9 mL. So, the nurse should administer 0.9 mL.

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Correct Answer is ["2 "]

Explanation

Step 1 is: To calculate the rate at which the IV pump should be set to deliver the PRBCs, we need to divide the total volume of PRBCs by the total time for administration.

Step 2 is: Convert the time for administration from hours to minutes because the rate is typically set in mL/min. So, 3 hours is equivalent to 180 minutes.

Step 3 is: Now, divide the total volume of PRBCs (350 mL) by the total time for administration (180 min). So, the calculation is 350 mL ÷ 180 min.

Step 4 is: The final calculated answer is approximately 1.94 mL/min. However, IV pumps typically only allow whole numbers, so we would round this to 2 mL/min.

A. The patient has sensorineural hearing loss B. The patient is at risk for tinnitus C. The patient’s hearing is likely normal D. The patient likely has otosclerosis

Correct Answer is C

Explanation

Choice A rationale
Sensorineural hearing loss is a type of hearing loss in which the root cause lies in the inner ear or sensory organ (cochlea and associated structures) or the vestibulocochlear nerve (cranial nerve VIII). Sensorineural hearing loss can be mild, moderate, severe, or profound, and it affects the ability to hear faint sounds or understand speech. However, in the Rinne test, if the air-conducted sound is louder than the bone-conducted sound, it indicates that the patient’s hearing is likely normal.
Choice B rationale
Tinnitus is the perception of noise or ringing in the ears. It is a common problem that affects about 15 to 20 percent of people and is especially common in older adults. However, the Rinne test is not used to diagnose tinnitus. It is used to compare air and bone conduction of sound.
Choice C rationale
In a normal Rinne test, air conduction (AC) is better than bone conduction (BC). This is referred to as a positive Rinne test. If a patient reports that air-conducted sound is louder than bone-conducted sound, it suggests that the patient’s hearing is likely normal.
Choice D rationale
Otosclerosis is a condition that affects the bones in the middle ear, causing hearing loss. It is a common cause of conductive hearing loss, particularly in young adults. However, in otosclerosis, bone conduction (BC) is better than air conduction (AC), which is referred to as a negative Rinne test.

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You are instructed to administer tobramycin 35mg IM every 8 hours. The available supply is 40mg in a 1 mL vial. How many mL’s should the nurse administer? Round your answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is administering a 350 mL unit of PRBCs over 3 hours to a client diagnosed with anemia. The nurse should set the IV pump to deliver how many mL/hr?

Correct Answer is ["2 "]

Explanation

An advanced practice nurse has performed a Rinne test on a new patient. During the test, the patient reports that air-conducted sound is louder than bone-conducted sound. How should the nurse interpret this assessment finding?

Correct Answer is C

Explanation

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You are instructed to administer tobramycin 35mg IM every 8 hours. The available supply is 40mg in a 1 mL vial.

How many mL’s should the nurse administer? Round your answer to the nearest tenth. Use a leading zero if it applies.

Do not use a trailing zero.