The nurse is preparing to administer a unit of packed red blood cells (PRBC's) to a patient whose blood type is A- (negative). The nurse knows that this patient can receive transfusions from which blood types? (SELECT ALL THAT APPLY).
O-
AB -
A+
A-
O+
Correct Answer : A,D
A) O- (O negative):
A person with blood type A- can safely receive blood from a universal donor blood type, which is O-. This is because O- has no A, B, or Rh antigens on the surface of its red blood cells, making it compatible with any ABO blood group. The Rh negative status is also compatible, as the recipient is also Rh-negative.
B) AB- (AB negative):
A person with blood type A- cannot receive blood from someone with AB-. This is because the AB- blood type contains both A and B antigens on the surface of red blood cells, which could cause an immune reaction in a person with A- blood, whose immune system will react against the B antigen. Therefore, AB- is not compatible with A- blood.
C) A+ (A positive):
A person with A- blood cannot receive blood from an A+ donor, because the A+ blood contains the Rh positive antigen. If a person with A- blood receives Rh-positive blood, they will form antibodies against the Rh factor, leading to a hemolytic transfusion reaction. Therefore, A+ is not compatible with A- blood.
D) A- (A negative):
A person with A- blood can receive blood from another A- donor, because both share the A antigen and are Rh-negative. This is a perfect match and poses no risk of a transfusion reaction.
E) O+ (O positive):
A person with A- blood cannot receive blood from an O+ donor, because the O+ blood contains the Rh-positive antigen. This could cause an immune reaction in a person with A- blood, leading to the production of anti-Rh antibodies. Therefore, O+ is not compatible with A- blood.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Be placed in isolation to prevent radiation exposure to others:
Radioactive iodine (I-131) is commonly used to treat thyroid cancer because it targets and destroys thyroid tissue, including any remaining cancerous cells. This treatment involves the administration of a radioactive substance that can be excreted through saliva, urine, and sweat. To minimize radiation exposure to others, patients are often placed in isolation, particularly in a hospital setting, for a period following administration.
B) Avoid consuming any food or fluids for 24 hours prior to the treatment:
While it’s essential for patients to follow specific instructions regarding food and fluid intake, such as avoiding certain foods or fluids that may interfere with absorption or increase the risk of side effects (like dairy products), the patient does not need to avoid all food and fluids for 24 hours after receiving radioactive iodine.
C) Avoid all physical activity for six weeks after the treatment:
While some precautions, such as avoiding close contact with others for a short period of time, may be necessary, avoiding physical activity for six weeks is not usually required. Patients may be advised to take it easy during the initial recovery phase, but they can typically resume normal activities once the initial isolation period is complete and their radiation exposure is below safety thresholds.
D) Discontinue all other medications for a week before treatment:
However, certain medications that affect thyroid function (such as thyroid hormones or antithyroid medications) may need to be adjusted or stopped before treatment to ensure the effectiveness of the radioactive iodine. The specifics would depend on the patient’s condition and the healthcare provider’s instructions.
Correct Answer is D
Explanation
A) Ice packs may be applied to the site for 30 minutes every hour for comfort:
This is not an appropriate recommendation for skin care related to radiation therapy. Applying ice packs to the skin can cause vasoconstriction and might worsen skin irritation or damage from radiation. Instead, the patient should be advised to avoid extreme temperatures, including hot or cold compresses, which could exacerbate skin issues in the radiation field.
B) Incorporate rest periods throughout the day:
While rest is important for overall well-being during radiation therapy, this instruction does not directly address the skin care needs associated with radiation. The primary concern with radiation therapy is protecting the skin from further irritation and damage, so specific skin care measures are more crucial in this context than general rest periods.
C) Do not share bathrooms/toilets with others for 48 hours after treatment:
This instruction is not necessary for most patients undergoing radiation therapy, especially for lung cancer. The concern about not sharing bathrooms or toilets generally applies to patients receiving brachytherapy or radioactive implants, where radiation is placed inside the body. For external radiation, there is no risk of contamination through shared bathroom use.
D) Wear loose, soft clothing over the treated area:
This is the most appropriate instruction for skin care during radiation therapy. Radiation therapy can cause the skin to become tender, red, and irritated, so wearing loose, soft clothing will help minimize friction and pressure on the skin. Tight or rough clothing can irritate the radiation site, increasing the risk of skin breakdown. Loose, breathable fabrics like cotton can help keep the skin comfortable and allow it to heal while protecting it from further damage.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.