A nurse is reinforcing teaching for a client who has a prescription for HIV post-exposure prophylaxis (PEP) about how to take the medications.
Which of the following client statements indicates understanding of the teaching?
I should not take these medications if I have high blood pressure.
I have up to 2 weeks after exposure to decide if I want to take these medications.
I need to take the antiviral medications at the prescribed dosing times for the full 28 days to be effective.
I don't need to take the medication if I had an exposure via a needle stick.
The Correct Answer is C
Choice A rationale
Choice A rationale:
Systemic hypertension is not a primary contraindication for the initiation of post-exposure prophylaxis medications. While specific antiviral agents might require monitoring of renal or hepatic function, which can be influenced by long-term poorly controlled blood pressure, the immediate need to prevent viral replication takes precedence. Patients with high blood pressure can safely undergo the 28-day regimen provided their clinical status is monitored by a healthcare provider for any drug-to-drug interactions with existing antihypertensives.
Choice B rationale
Choice B rationale:
The efficacy of post-exposure prophylaxis is highly time-dependent, as it must be initiated as soon as possible after a potential exposure to human immunodeficiency virus. Waiting up to 2 weeks would render the treatment ineffective because the virus would have already integrated into the host genome and established a permanent infection. Clinical guidelines strongly recommend starting the medication within 72 hours of exposure to maximize the chance of preventing viral replication and systemic spread.
Choice C rationale
Choice C rationale:
Effectiveness of post-exposure prophylaxis depends on strict adherence to the prescribed dosing schedule for a full 28-day duration. This timeframe is scientifically based on the period required to ensure that any virus introduced into the body is unable to complete its replication cycle and establish a reservoir. Skipping doses or ending the treatment early significantly increases the risk of seroconversion, allowing the virus to become a chronic infection despite the initial preventative efforts.
Choice D rationale
Choice D rationale:
Percutaneous exposure, such as a needle stick injury involving contaminated blood, represents a significant transmission risk for human immunodeficiency virus. The virus can be directly introduced into the bloodstream through the puncture site, bypassing the body's primary skin barriers. Therefore, a needle stick exposure is a primary indication for starting a post-exposure prophylaxis regimen immediately to reduce the probability of the virus becoming established within the lymphatic system and the rest of the body.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
A fetal heart rate of 100 to 110 beats per minute is generally considered borderline bradycardic or at the very low end of the acceptable range for a fetus. While some fetuses may briefly dip into this range during periods of sleep or due to specific maternal medications, it is not the standard physiological range taught for a healthy fetus. Sustained rates at this level could indicate fetal distress or hypoxia, requiring further medical investigation.
Choice B rationale
A range of 80 to 100 beats per minute represents significant fetal bradycardia. In a fetus at 12 weeks of gestation or beyond, such low rates are highly concerning for congenital heart block, severe fetal hypoxia, or impending fetal demise. This range is never considered normal for a developing fetus and would necessitate immediate diagnostic follow-up. Standard fetal monitoring protocols identify this level as a critical value requiring urgent intervention to ensure fetal survival.
Choice C rationale
A fetal heart rate ranging from 160 to 190 beats per minute is classified as fetal tachycardia. While brief accelerations are normal and healthy, a baseline rate consistently above 160 is abnormal. High rates can be caused by maternal fever, infection, fetal anemia, or the use of certain stimulants. This range exceeds the standard physiological norm and suggests the fetus is under stress or responding to an underlying maternal condition that needs to be addressed.
Choice D rationale
The normal fetal heart rate baseline for a healthy fetus typically ranges from 110 to 160 beats per minute. This range reflects the autonomic nervous system's control over the fetal heart, showing appropriate variability and responsiveness. At 12 weeks of gestation, the heart is fully formed, and its rate is a primary indicator of fetal well-being. Providing this range helps the client understand the expected parameters during routine Doppler or ultrasound assessments.
Correct Answer is A
Explanation
Choice A rationale
Ballottement is a probable sign of pregnancy characterized by the passive movement of the unengaged fetus. When the provider performs a vaginal examination and applies a sudden upward tap against the cervix, the fetus floats upward in the amniotic fluid and then sinks back to touch the examiner's finger. This technique relies on the buoyancy of the fetus within the amniotic sac and is typically assessable during the second trimester of pregnancy.
Choice B rationale
Goodell's sign refers to the significant softening of the vaginal portion of the cervix, which is a probable sign of pregnancy. This change occurs around the beginning of the second month of gestation and is caused by increased vascularity, congestion, and hypertrophy of the cervical glands. While it indicates the hormonal and physiological changes of pregnancy, it does not involve the physical sensation of fetal movement felt by the provider during upward cervical pressure.
Choice C rationale
Lightening is the clinical term for the descent of the fetal head into the true pelvis, which typically occurs toward the end of the third trimester. This shift reduces pressure on the diaphragm, making it easier for the pregnant individual to breathe, but increases pressure on the bladder. It is a physiological event related to the onset of labor and engagement rather than a diagnostic sign of fetal movement elicited during a pelvic examination.
Choice D rationale
Chadwick's sign is a probable sign of pregnancy identified by a bluish or purplish discoloration of the cervix, vagina, and labia. This color change is caused by increased blood flow and venous congestion in the pelvic region due to rising estrogen levels. Like Goodell's sign, it is an anatomical observation during a physical exam but does not relate to the mechanical displacement and return of the fetus known as ballottement.
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.