A nurse notes that the uterine size is larger than expected for gestational age. Which condition is suspected?
Cervical insufficiency
Molar pregnancy
Spontaneous abortion
Ectopic pregnancy
The Correct Answer is B
Hydatidiform mole, a type of gestational trophoblastic disease, arises from abnormal fertilization resulting in a non-viable pregnancy with overproliferating trophoblasts. This condition leads to hydropic vesicles that fill the uterus, causing rapid expansion beyond normal dates. High serum hCG levels often exceed 100,000 mIU/mL, causing severe hyperemesis.
A. Cervical insufficiency: This condition involves painless cervical dilation during the second trimester, often leading to preterm birth or pregnancy loss. It does not cause an increase in uterine size; rather, the uterus remains appropriate for gestational age until the fetus is expelled. Uterine enlargement is primarily driven by the internal products of conception.
B. Molar pregnancy: Pathological proliferation of placental tissue creates a "snowstorm" appearance on ultrasound, where the uterus is consistently larger than the calculated gestational age. The excessive trophoblastic growth and fluid-filled cysts expand the uterine cavity rapidly. This classic sign helps distinguish it from normal singleton or even multifetal pregnancies.
C. Spontaneous abortion: During a miscarriage, uterine size may actually be smaller than expected due to the loss of amniotic fluid or the partial expulsion of the gestational sac. It typically presents with vaginal bleeding and pelvic cramping. Uterine growth ceases once the pregnancy is no longer viable or the fetus is lost.
D. Ectopic pregnancy: Implantation occurs outside the uterine cavity, most commonly in the fallopian tubes, meaning the uterus does not enlarge significantly. While the uterus might thicken slightly due to hormonal changes, it will not measure larger than expected dates. An empty uterus on ultrasound with a positive pregnancy test is diagnostic.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Effective communication in genetic counseling requires an empathetic approach to address the psychological impact of adverse findings. Patients often experience a "crisis of meaning" or grief when receiving news of fetal anomalies. The nurse’s role is to facilitate emotional regulation before moving toward complex decision-making processes.
A. Provide detailed medical explanations: Delivering excessive technical data while a patient is in an acute emotional state often leads to information overload and increased anxiety. The patient’s cognitive processing is usually impaired by the stress response. Medical details should follow once the patient is emotionally stabilized.
B. Refer immediately without discussion: Abrupt referral can make the patient feel abandoned and ignores the immediate need for therapeutic intervention. While a genetic counselor is necessary, the nurse must first provide crisis support. Immediate referral without a supportive conversation is clinically dismissive.
C. Actively listen and provide emotional support: Allowing the patient to express feelings validates their experience and helps lower autonomic arousal. Providing a safe space for silence and tears is the priority nursing action in the face of psychological distress. This builds the rapport necessary for later education.
D. Avoid discussing results: Ignoring the situation or avoiding the topic is a non-therapeutic technique that increases the patient's sense of isolation. Failure to acknowledge the abnormal results hinders the informed consent process and delays necessary care. Nurses must be present and transparent during difficult disclosures.
Correct Answer is B
Explanation
Intractable emesis results in the depletion of extracellular fluid and essential electrolytes like potassium and chloride. Clinical markers include orthostatic hypotension, tachycardia, and a high urine specific gravity due to renal conservation of water. Chronic volume deficit leads to metabolic alkalosis and potential acute kidney injury.
A. Infection: While pyrexia and tachycardia can accompany sepsis, severe vomiting and dark urine are more classically associated with volume depletion. Infection usually presents with localized symptoms or leukocytosis rather than the primary signs of osmotic imbalance. This is a secondary concern in the absence of fever.
B. Dehydration: Profuse vomiting causes a rapid decrease in plasma volume, while dark urine indicates the kidneys are concentrating waste to conserve water. Dizziness is a symptom of reduced cerebral perfusion due to hypovolemia. Addressing the fluid deficit is the most immediate clinical priority to prevent shock.
C. Hypoglycemia: Low blood sugar can cause dizziness, but it does not typically result in concentrated dark urine or severe vomiting as a primary cause. While a patient who cannot keep food down may become hypoglycemic, the hemodynamic risk from fluid loss is more acute. It is a metabolic consequence, not the primary concern.
D. Hypertension: Elevated blood pressure is a hallmark of preeclampsia but usually does not cause hyperconcentrated urine or acute dizziness unless it is extremely severe. Hypertension is often asymptomatic in its early stages. The patient’s symptoms are more indicative of fluid and electrolyte loss.
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