Which criterion should a nurse use to determine the proper length of the needle to administer a subcutaneous (subcut) medication?
Age of the client.
Viscosity of the solution.
Amount of adipose tissue over the muscle.
Quantity of the solution to be administered.
The Correct Answer is C
The proper length of the needle to administer a subcutaneous injection depends on the amount of adipose tissue over the muscle.
The needle should be long enough to reach the subcutaneous layer but not so long that it penetrates the muscle. The needle gauge and length vary depending on the patient’s size and the injection site
Choice A is wrong because the age of the client does not determine the needle length.
However, age may affect the amount of adipose tissue and muscle mass, which are factors to consider when choosing a needle length.
Choice B is wrong because the viscosity of the solution does not determine the needle length. However, viscosity may affect the needle gauge, which is the diameter of the needle.
Thicker solutions may require larger gauge needles to allow easier flow.
Choice D is wrong because the quantity of the solution does not determine the needle length.
However, quantity may affect the syringe size, which is the volume of medication that can be held by the syringe.
The syringe size should match the prescribed dose as closely as possible to ensure accuracy and ease of measurement.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
This is because hepatitis C is a viral infection that spreads through contaminated blood and body fluids. IV drug use is one of the most common ways to get hepatitis C, especially if people share needles or other equipment.
Choice A is wrong because drinking contaminated water is not a risk factor for hepatitis
C. Hepatitis A and E are transmitted by the fecal-oral route, which can happen through contaminated water.
Choice B is wrong because eating raw chicken is not a risk factor for hepatitis C. Hepatitis E can be transmitted by eating undercooked meat from infected animals, but not chicken.
Choice D is wrong because unprotected intercourse is not a major risk factor for hepatitis
C. Hepatitis B and D are more likely to be transmitted by sexual contact than hepatitis
C. However, having multiple sexual partners or having sexually transmitted diseases can increase the risk of hepatitis
C. Normal ranges for hepatitis C tests depend on the type of test and the laboratory that performs it.
Some common tests are:
- Anti-HCV antibody test: This test detects antibodies to the hepatitis C virus in the blood.
A positive result means that the person has been exposed to the virus, but does not necessarily mean that they have an active infection. A negative result means that the person has never been exposed to the virus or has cleared it from their body.
- HCV RNA test: This test measures the amount of hepatitis C virus in the blood.
A positive result means that the person has an active infection and can transmit the virus to others. A negative result means that the person does not have an active infection or has cleared it from their body.
- HCV genotype test: This test identifies the strain or type of hepatitis C virus that the person has. There are six major genotypes of hepatitis C, numbered 1 to 6, and each one may respond differently to treatment.
Correct Answer is A
Explanation
This is because the nurse should first ensure that help is on the way before performing any other actions on an unconscious and unresponsive client. Calling for assistance may also alert someone who can bring an automated external defibrillator (AED) if needed.
Choice B is wrong because giving 2 rescue breaths is part of CPR, which should only be done after checking for a pulse and finding none or a weak one.
Giving rescue breaths to a client who has a pulse may cause harm.
Choice C is wrong because checking for apical pulse is not the most reliable way to assess circulation in an emergency situation. The nurse should check for a carotid pulse instead, which is easier to locate and more indicative of blood flow to the brain.
Choice D is wrong because beginning chest compressions is also part of CPR, which should only be done after calling for assistance and checking for a pulse and finding none or a weak one.
Chest compressions may cause harm to a client who has a pulse.
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