Nokea
According to developmental theories, which event is essential to toddler development?
- A. Learning to feed oneself.
- B. Developing friendships.
- C. Learning to walk.
- D. Being potty-trained.
Correct Answer: D
Rationale: The mastery of toilet training is considered a key developmental milestone during the toddler period.
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Which of the ff. safety instructions should the nurse give a patient who has temporarily dilated pupils?
- A. Keep eyes closed
- B. Wear sunglasses
- C. Do not drive for 8 hours
- D. Avoid caffeinated beverages
Correct Answer: B
Rationale: Dilated pupils can cause increased sensitivity to light, leading to discomfort or visual disturbances. Wearing sunglasses can help protect the eyes from bright light and reduce potential discomfort for the patient. This safety instruction is important to promote the patient's comfort and prevent any potential harm due to light sensitivity.
A client with acquired immunodeficiency syndrome (AIDS) is receiving zidovudine (azidothymidine, AZT [Retrovir]). To check for adverse drug effects, the nurse should monitor the results of laboratory test?
- A. RBC count
- B. Serum calcium
- C. Fasting blood glucose
- D. Platelet count
Correct Answer: D
Rationale: Zidovudine (azidothymidine, AZT [Retrovir]) is an antiretroviral medication used to treat human immunodeficiency virus (HIV) infection. One of the potential adverse effects of zidovudine is bone marrow suppression, which can lead to decreased production of blood cells including platelets. Monitoring the platelet count is essential because a low platelet count (thrombocytopenia) can result in an increased risk of bleeding and bruising. Therefore, regular monitoring of platelet count is crucial to detect and manage this potential adverse effect promptly in patients receiving zidovudine therapy. Monitoring other laboratory tests such as RBC count, serum calcium, and fasting blood glucose may also be important for assessing overall health status, but platelet count monitoring takes priority due to the risk of thrombocytopenia associated with zidovudine therapy.
A client agreed to become an organ donor is pronounced dead. What is the most important factor in selecting a transplant recipient?
- A. Blood relationship
- B. Compatible blood and tissue types
- C. Sex and size
- D. Need
Correct Answer: B
Rationale: The most important factor in selecting a transplant recipient for an organ that has been donated by a deceased donor is ensuring compatibility in terms of blood and tissue types. Matching these factors between the donor and recipient minimizes the risk of rejection and increases the likelihood of a successful transplant. Compatibility ensures that the recipient's body is less likely to identify the transplanted organ as foreign and mount an immune response against it. Blood relationship, sex, and size are important factors to consider but they are secondary to compatibility in terms of blood and tissue types when it comes to organ transplantation. Ultimately, the goal is to have the best chance of a successful transplant by ensuring a good match between the donor organ and the recipient.
Through which of the ff body fluids has transmission of HIV been established? Choose all that apply
- A. Saliva
- B. Sweat
- C. Tears f. Breastmilk
- D. Blood g. Urine
Correct Answer: C
Rationale: The transmission of HIV has been established through the following body fluids:
You have the results of PCR tests for Mycoplasma pneumoniae; the number of positive tests is 83 collected from a 100 truly-infected persons. The sensitivity of this test is
- A. 17%
- B. 55%
- C. 60%
- D. 83%
Correct Answer: D
Rationale: Sensitivity = (True positives / Truly infected) * 100 = (83 / 100) * 100 = 83%.