An appropriate procedure for urine testing with reagent strips for chemical properties of the sample ...

The answer to question 1

B
Immerse the strip briefly in the urine sample, and then remove it and tap it gently on the side of the container; prolonged exposure to excess urine can dilute reagents. Stagnant urine stored in the bladder overnight or for long periods does not reveal quantities of glucose and ketones excreted by the kidney at the time of testing. Kits that contain tablets do not also use strips; the tablet contains the reagent and changes color to indicate chemical properties of the urine. Tap the strip gently against the side of the container to shed excess urine; do not wipe it.

The answer to question 2

A, C
Systemically, when the skin is exposed to warm or hot temperatures, vasodilatation and perspiration occur to promote heat loss. As perspiration evaporates from the skin, cooling occurs. In cryotherapy, when the skin is exposed to cool or cold temperatures, the systemic response includes vasoconstriction and piloerection to conserve heat. Shivering occurs in response to cooler temperatures, producing heat through skeletal muscle contraction.

The answer to question 3

C
Conditions that require caution with cold therapy include circulatory insufficiency, cold allergy, and advanced diabetes. Cold therapy is used immediately after direct trauma such as sprains, strains, fractures, or muscle spasms; after superficial lacerations or puncture wounds; after minor burns; with chronic pain of arthritis and joint trauma; with delayed-onset muscle soreness; and with inflammation.

The answer to question 4

C
If the patient is unable to urinate on demand, offer fluids if permitted. Allow more time for urine to accumulate in the bladder. Try obtaining a specimen after 30 minutes. If the patient has no urine in the bladder, Cred's would not be useful. The risk for infection precludes the use of catheterization simply to obtain a specimen. If the patient is unable to void after several hours, the physician may need to be called to obtain an order for catheterization.

The answer to question 5

D
Adjust the temperature to a more comfortable range and assess whether shivering decreases. If shivering continues, stop treatment and notify the physician.

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