the test used to differentiate sickle cell trait from sickle cell disease is

NCLEX-PN

Quizlet NCLEX PN 2023

1. The test used to differentiate sickle cell trait from sickle cell disease is:

A. Sickle cell preparation.
B. Peripheral smear.
C. Sickledex.
D. Hemoglobin electrophoresis

Correct answer: D

Rationale: The correct test to differentiate between sickle cell trait and sickle cell disease is hemoglobin electrophoresis. This test separates different types of hemoglobin based on their electrical charge, allowing for the identification of specific hemoglobin variants like HbS in sickle cell disease. Sickle cell preparation and Sickledex are not specific tests for this differentiation. While a peripheral smear can show sickle cells, it does not provide a definitive differentiation between the trait and the disease as it doesn't identify the specific hemoglobin variant present.

2. What skin color does a client with jaundice have?

A. pale
B. ruddy
C. yellow
D. pink

Correct answer: C

Rationale: The correct answer is C: yellow. Jaundice is a condition characterized by yellowing of the skin due to increased levels of bilirubin in the blood. This excess bilirubin causes the skin and whites of the eyes to appear yellow. Choice A, pale, is not typically associated with jaundice. Choice B, ruddy, describes a reddish skin color and is not indicative of jaundice. Choice D, pink, is a normal skin color and not a symptom of jaundice.

3. What is the drug of choice for herpes simplex virus 1, herpes simplex virus 2, and varicella-zoster virus?

A. HIV.
B. HSV 1, HSV 2, and VZV.
C. CMV
D. Influenza A viruses.

Correct answer: B

Rationale: Acyclovir (Zovirax) is the drug of choice for herpes simplex virus 1 (HSV-1), herpes simplex virus 2 (HSV-2), and varicella-zoster virus (VZV) infections. It works by inhibiting viral DNA replication. Acyclovir is excreted unchanged in the urine, so caution is needed in renal impairment. Choice A, HIV, is incorrect as acyclovir is not the drug of choice for HIV. Choice C, CMV, is incorrect as acyclovir is not the preferred treatment for cytomegalovirus (CMV) infections. Choice D, Influenza A viruses, is incorrect as acyclovir is not used to treat influenza viruses.

4. Which type of hepatitis is transmitted via the fecal-oral route?

A. Hepatitis A
B. Hepatitis B
C. Hepatitis C
D. Hepatitis D

Correct answer: A

Rationale: Hepatitis A is the correct answer because it is transmitted via the fecal-oral route, often through contaminated food or water. Hepatitis B is transmitted through exposure to infectious blood, semen, and other body fluids, not through the fecal-oral route. Hepatitis C is transmitted through blood-to-blood contact, not via the fecal-oral route. Hepatitis D occurs only in individuals infected with Hepatitis B. Therefore, the correct choice for the type of hepatitis transmitted via the fecal-oral route is Hepatitis A.

5. Post thyroidectomy the nurse assesses for complications by performing which of the following assessments?

A. Accu-Chek
B. Chvostek's
C. Ballottement
D. Ice water colonic

Correct answer: B

Rationale: The correct answer is Chvostek's. A positive Chvostek's and Trousseau's sign is indicative of tetany, which is associated with low calcium levels. This can occur if parathyroid glands are accidentally removed during thyroidectomy. Accu-Chek is a brand of blood glucose monitor used for checking blood sugar levels and is not relevant in this context. Ballottement is a technique used in physical examination to assess for fluid in the body, typically in the abdomen or joints. Ice water colonic is not a standard medical assessment and is not relevant to post-thyroidectomy complications.