A nurse assesses a 60kg adult client who is 5 feet 5 inches tall. What is the estimated body mass index (BMI) for this client? Round to the whole number.

A. 20 represents the distance you are placed from the chart and 40 represents the distance a normal eye reads the chart:

This is correct. The first number (20) represents the distance in feet the patient is from the Snellen chart. The second number (40) indicates the distance at which a person with normal vision can read the same line. Therefore, 20/40 means that what the patient can read at 20 feet, a person with normal vision can read at 40 feet.

B. 20 represents the distance a normal eye can read and 40 represents the distance your eye reads the chart:

This is incorrect. The first number should represent the distance the patient is from the chart, not the normal eye's reading distance.

C. 20 represents the distance you are placed from the chart and 40 represents the distance your eye reads the chart:

This is incorrect. While the first number is correct (the distance from the chart), the second number should represent the distance a person with normal vision can read the same line, not the patient's distance.

D. 40 represents the distance you are placed from the chart and 20 represents the distance a normal eye reads the chart:

This is incorrect. The standard for visual acuity measurements is that the first number represents the testing distance (usually 20 feet), and the second number represents the distance at which a normal eye can read the line.

A. Measure nerve function in the fingers:

Measuring nerve function typically involves different assessments, such as checking sensation or performing nerve conduction studies. The action in the image is not indicative of a nerve function test.

B. Monitor oxygen status:

Monitoring oxygen status is usually done with a pulse oximeter, which is placed on the finger but does not involve the manual action shown in the image. The image depicts a manual technique, not a pulse oximetry procedure.

C. Determine capillary refill:

The action shown in the image is a technique used to determine capillary refill time. The nurse presses on the nail bed until it blanches and then releases it to see how quickly the color returns. This assesses peripheral perfusion and can indicate circulatory status.

D. Assess finger range of motion:

Assessing finger range of motion involves moving the fingers through their full range of motion, such as flexing, extending, abducting, and adducting them. The action in the image does not reflect these movements and is more indicative of assessing capillary refill.