A 16-year-old girl comes to the physician because of a 3-week history of nausea, increased urinary frequency, and breast tenderness. She has never had a menstrual period. She is actively involved in her school's track and field team. She is 173 cm (5 ft 8 in) tall and weighs 54 kg (120 lb); BMI is 18 kg/m2. Her breast and pubic hair development are at Tanner stage 5. Which of the following serum assays is the most appropriate next step in the diagnosis of this patient's condition?
Q122
A 26-year-old gravida 3 para 1 is admitted to labor and delivery with uterine contractions. She is at 37 weeks gestation with no primary care provider or prenatal care. She gives birth to a boy after an uncomplicated vaginal delivery with APGAR scores of 7 at 1 minute and 8 at 5 minutes. His weight is 2.2 kg (4.4 lb) and the length is 48 cm (1.6 ft). The infant has weak extremities and poor reflexes. The physical examination reveals microcephaly, palpebral fissures, thin lips, and a smooth philtrum. A systolic murmur is heard on auscultation. Identification of which of the following factors early in the pregnancy could prevent this condition?
Q123
A 25-year-old gravida 1 para 0 woman visits an OB/GYN for her first prenatal visit and to establish care. She is concerned about the costs related to future prenatal visits, medications, procedures, and the delivery. She has no type of health insurance through her work and has previously been denied coverage by public health insurance based on her income. Since then she has been promoted and earns a higher salary. In addressing this patient, which of the following is the most appropriate counseling?
Q124
A 16-year-old girl is brought to the physician for evaluation of severe acne on her face, chest, and back for the past 2 years. She has no itching or scaling. She has been treated in the past with a combination of oral cephalexin and topical benzoyl peroxide without clinical improvement. She is sexually active with one male partner, and they use condoms inconsistently. She does not smoke, drink alcohol, or use illicit drugs. There is no personal or family history of serious illness. Her vital signs are within normal limits. Examination shows mild facial scarring and numerous open comedones and sebaceous skin lesions on her face, chest, and back. Before initiating treatment, which of the following is the most appropriate next step?
Q125
A primigravida at 10+5 weeks gestation registers in an obstetric clinic for prenatal care. She has noted a rash that is rough with red-brown spots on her palms. The rapid plasma reagin (RPR) test is positive. The diagnosis is confirmed by darkfield microscopy. What is the fetus at risk for secondary to the mother’s condition?
Q126
An 80-year-old woman seeks evaluation at an outpatient clinic for a firm nodular lump on the left side of her labia. The medical history is notable for hypertension, coronary artery disease status post CABG, and lichen sclerosus of the vagina that was treated with an over-the-counter steroid cream as needed. She first noticed the lump about 5 months ago. On physical examination, the temperature is 37°C (98.6°F), the blood pressure is 135/89 mm Hg, the pulse is 95/min, and the respiratory rate is 17/min. Examination of the genital area reveals a small nodular lump on the left labium majus with visible excoriations, but no white plaque-like lesions. What is the next best step in management?
Prenatal Care US Medical PG Practice Questions and MCQs
Question 121: A 16-year-old girl comes to the physician because of a 3-week history of nausea, increased urinary frequency, and breast tenderness. She has never had a menstrual period. She is actively involved in her school's track and field team. She is 173 cm (5 ft 8 in) tall and weighs 54 kg (120 lb); BMI is 18 kg/m2. Her breast and pubic hair development are at Tanner stage 5. Which of the following serum assays is the most appropriate next step in the diagnosis of this patient's condition?
A. Thyrotropin
B. Human chorionic gonadotropin (Correct Answer)
C. Estriol
D. Prolactin
E. Luteinizing hormone
Explanation: **Human chorionic gonadotropin**
- The patient's symptoms (nausea, increased urinary frequency, breast tenderness) are classic signs of **pregnancy**, especially given her primary amenorrhea.
- A **human chorionic gonadotropin (hCG)** assay is the definitive test to confirm or rule out pregnancy.
*Thyrotropin*
- **Thyroid disorders** can cause menstrual irregularities, but the acute onset of nausea, increased urinary frequency, and breast tenderness points away from primary thyroid dysfunction as the initial primary diagnosis.
- While thyroid function may be assessed later if pregnancy is ruled out, it's not the most immediate next step for these specific symptoms.
*Estriol*
- **Estriol** is primarily useful in assessing **fetal well-being** later in pregnancy and in diagnosing estrogen deficiencies; it is not the initial test for suspected pregnancy.
- While part of the estrogen family, measuring estriol directly is not the first-line diagnostic for the patient's presenting symptoms.
*Prolactin*
- Elevated **prolactin** can cause **amenorrhea** and **galactorrhea** (breast discharge), but it doesn't typically cause nausea or increased urinary frequency.
- While hyperprolactinemia could be a cause for primary amenorrhea, the combination of symptoms strongly suggests pregnancy over hyperprolactinemia.
*Luteinizing hormone*
- **Luteinizing hormone (LH)** levels are used to assess ovulation and other causes of menstrual dysfunction, but they do not directly indicate pregnancy.
- While relevant to reproductive health, an LH assay isn't the most appropriate first step given the strong suspicious for pregnancy based on symptoms.
Question 122: A 26-year-old gravida 3 para 1 is admitted to labor and delivery with uterine contractions. She is at 37 weeks gestation with no primary care provider or prenatal care. She gives birth to a boy after an uncomplicated vaginal delivery with APGAR scores of 7 at 1 minute and 8 at 5 minutes. His weight is 2.2 kg (4.4 lb) and the length is 48 cm (1.6 ft). The infant has weak extremities and poor reflexes. The physical examination reveals microcephaly, palpebral fissures, thin lips, and a smooth philtrum. A systolic murmur is heard on auscultation. Identification of which of the following factors early in the pregnancy could prevent this condition?
A. Phenytoin usage
B. Maternal hypothyroidism
C. Alcohol consumption (Correct Answer)
D. Physical abuse
E. Maternal toxoplasmosis
Explanation: ***Alcohol consumption***
- The constellation of **microcephaly**, **palpebral fissures**, **thin lips**, **smooth philtrum**, and **cardiac defects** (systolic murmur) in an infant points to **Fetal Alcohol Syndrome (FAS)**.
- **FAS** is entirely preventable if alcohol is avoided during pregnancy, especially early in gestation, as there is no safe amount or time to drink alcohol during pregnancy.
*Phenytoin usage*
- **Phenytoin** is associated with **fetal hydantoin syndrome**, which can present with microcephaly, distinct facial features (e.g., broad nasal bridge, epicanthal folds), and hypoplastic nails, but typically not the specific facial features of FAS.
- While it is a teratogen, preventing its use would not specifically address the described clinical picture, which strongly aligns with alcohol exposure.
*Maternal hypothyroidism*
- **Untreated maternal hypothyroidism** can lead to **neurodevelopmental delays** and **cognitive impairment** in the child.
- It does not, however, cause the characteristic facial dysmorphology or cardiac defects seen in FAS.
*Physical abuse*
- **Physical abuse** does not cause congenital malformations or a specific syndrome evident at birth like FAS.
- While it is a serious concern for maternal and fetal well-being, it is not a direct teratogenic cause of the described neonatal findings.
*Maternal toxoplasmosis*
- **Congenital toxoplasmosis** can cause hydrocephalus, chorioretinitis, and intracranial calcifications.
- It does not cause the specific facial dysmorphology, cardiac defects, or microcephaly seen in this infant.
Question 123: A 25-year-old gravida 1 para 0 woman visits an OB/GYN for her first prenatal visit and to establish care. She is concerned about the costs related to future prenatal visits, medications, procedures, and the delivery. She has no type of health insurance through her work and has previously been denied coverage by public health insurance based on her income. Since then she has been promoted and earns a higher salary. In addressing this patient, which of the following is the most appropriate counseling?
A. She may be eligible for Medigap based on her higher salary
B. She may be eligible for Medigap because she is pregnant
C. She may be eligible for Medicaid because she is pregnant (Correct Answer)
D. She may be eligible for Medicaid based on her higher salary
E. She may be eligible for Medicare based on her higher salary
Explanation: ***She may be eligible for Medicaid because she is pregnant***
- Pregnancy is a **qualifying life event** that often makes women, even those with higher incomes, eligible for expanded **Medicaid coverage** during and shortly after pregnancy.
- This program provides comprehensive coverage for prenatal care, delivery, and postpartum care, significantly reducing out-of-pocket costs.
*She may be eligible for Medigap based on her higher salary*
- **Medigap** policies are designed to supplement Medicare, which is general health insurance for individuals **aged 65 or older**, or those with certain disabilities.
- Eligibility for Medigap is tied to Medicare enrollment, not income or pregnancy status.
*She may be eligible for Medigap because she is pregnant*
- Again, **Medigap** is supplemental insurance for individuals enrolled in **Medicare**, which primarily covers individuals aged 65 and older or those with specific disabilities.
- Pregnancy does not make an individual eligible for Medigap or Medicare.
*She may be eligible for Medicaid based on her higher salary*
- While **Medicaid** eligibility is often income-based, a higher salary typically **decreases** the likelihood of general Medicaid eligibility, as it usually pushes individuals above the income thresholds.
- However, pregnant women often qualify under **expanded eligibility criteria** regardless of their income, which supersedes general income requirements.
*She may be eligible for Medicare based on her higher salary*
- **Medicare** is a federal health insurance program for people **aged 65 or older**, certain younger people with disabilities, and people with End-Stage Renal Disease.
- A higher salary does not qualify someone for Medicare; rather, it's based on age, disability, or specific medical conditions.
Question 124: A 16-year-old girl is brought to the physician for evaluation of severe acne on her face, chest, and back for the past 2 years. She has no itching or scaling. She has been treated in the past with a combination of oral cephalexin and topical benzoyl peroxide without clinical improvement. She is sexually active with one male partner, and they use condoms inconsistently. She does not smoke, drink alcohol, or use illicit drugs. There is no personal or family history of serious illness. Her vital signs are within normal limits. Examination shows mild facial scarring and numerous open comedones and sebaceous skin lesions on her face, chest, and back. Before initiating treatment, which of the following is the most appropriate next step?
A. Administer oral contraceptives
B. Switch cephalexin to doxycycline
C. Screen for depression with a questionnaire
D. Measure serum beta-hCG levels (Correct Answer)
E. Measure creatinine kinase levels
Explanation: ***Measure serum beta-hCG levels***
- The patient is a **sexually active** adolescent with **inconsistent condom use**, making her at risk for pregnancy.
- Before initiating any systemic **acne treatment**, especially those with teratogenic potential like **isotretinoin** or certain **antibiotics**, pregnancy must be ruled out.
*Administer oral contraceptives*
- While **oral contraceptives** can be effective for managing **acne**, they should only be prescribed after **pregnancy is ruled out**.
- Starting **hormonal therapy** without confirming non-pregnancy poses a risk to a potential fetus.
*Switch cephalexin to doxycycline*
- Switching to another **antibiotic** like **doxycycline** may be considered for acne, but it's crucial to first **rule out pregnancy** due to potential **teratogenic effects** (e.g., inhibition of bone growth, tooth discoloration) and photosensitivity.
- This step does not address the immediate safety concern regarding potential pregnancy.
*Screen for depression with a questionnaire*
- While **acne** can negatively impact **mental health**, screening for **depression** is not the immediate priority **before initiating medical treatment** that could harm a potential fetus.
- This is an important consideration for long-term care but not the immediate next step.
*Measure creatinine kinase levels*
- **Creatinine kinase (CK)** levels are typically monitored with medications like **statins** or in conditions involving **muscle damage**, which are not indicated for acne treatment.
- This test has no relevance to the initial workup for acne in this clinical scenario.
Question 125: A primigravida at 10+5 weeks gestation registers in an obstetric clinic for prenatal care. She has noted a rash that is rough with red-brown spots on her palms. The rapid plasma reagin (RPR) test is positive. The diagnosis is confirmed by darkfield microscopy. What is the fetus at risk for secondary to the mother’s condition?
A. Muscle atrophy
B. Saddle nose (Correct Answer)
C. Seizures
D. Vision loss
E. Chorioretinitis
Explanation: ***Saddle nose***
- The patient's symptoms (rash on palms, positive RPR, confirmed by darkfield microscopy) indicate **syphilis**. **Congenital syphilis** can lead to facial deformities, including a **saddle nose** due to destruction of cartilaginous nasal structures.
- This is a classic manifestation of **late congenital syphilis**, which results from undetected or untreated maternal infection.
*Muscle atrophy*
- While congenital syphilis can cause widespread systemic effects, **muscle atrophy** is not a primary or characteristic complication.
- Musculoskeletal abnormalities such as **osteochondritis** and **periostitis** are more typical, not generalized muscle wasting.
*Seizures*
- **Neurosyphilis** can occur in congenital syphilis, potentially causing central nervous system involvement. However, **seizures** are not among the most common or characteristic features of congenital syphilis in neonates.
- Common neurological manifestations might include **sensorineural hearing loss** or **hydrocephalus**, but not typically seizures as a primary sign.
*Vision loss*
- Congenital syphilis can affect the eyes, leading to conditions like **interstitial keratitis** or **chorioretinitis**.
- **Vision loss** can be a consequence of severe ocular involvement but is not a direct or primary and a common presenting symptom like the classic facial deformities.
*Chorioretinitis*
- **Chorioretinitis** is indeed a manifestation of congenital syphilis, especially affecting the posterior segment of the eye.
- However, the question asks for a specific risk, and **saddle nose** is more uniquely characteristic and commonly emphasized as a congenital syphilis sequela than chorioretinitis.
Question 126: An 80-year-old woman seeks evaluation at an outpatient clinic for a firm nodular lump on the left side of her labia. The medical history is notable for hypertension, coronary artery disease status post CABG, and lichen sclerosus of the vagina that was treated with an over-the-counter steroid cream as needed. She first noticed the lump about 5 months ago. On physical examination, the temperature is 37°C (98.6°F), the blood pressure is 135/89 mm Hg, the pulse is 95/min, and the respiratory rate is 17/min. Examination of the genital area reveals a small nodular lump on the left labium majus with visible excoriations, but no white plaque-like lesions. What is the next best step in management?
A. Vulvar punch biopsy (Correct Answer)
B. Estrogen level measurement
C. HPV DNA testing
D. Potassium hydroxide test after scraping of the lesion
E. Pap smear
Explanation: ***Vulvar punch biopsy***
- A **firm, nodular lump** that has been present for 5 months, especially in an area previously affected by **lichen sclerosus**, raises high suspicion for **vulvar squamous cell carcinoma**.
- A punch biopsy is the **gold standard** for definitive diagnosis, allowing for histological examination to confirm or rule out malignancy.
*Estrogen level measurement*
- **Estrogen levels** do not provide diagnostic information for a suspicious vulvar lesion like a nodule, which is more concerning for malignancy rather than a hormonal imbalance.
- While low estrogen levels can cause vulvar atrophy and dryness, they are not directly linked to the development of a specific, firm nodule requiring diagnostic workup for cancer.
*HPV DNA testing*
- **Human Papillomavirus (HPV)** is a risk factor for some vulvar cancers, particularly those associated with vulvar intraepithelial neoplasia (VIN). However, many vulvar cancers, especially those arising in older women with a history of **lichen sclerosus**, are **HPV-independent**.
- While knowing HPV status can be part of a comprehensive workup, the immediate concern is ruling out malignancy, which requires a **biopsy**, not just HPV testing.
*Potassium hydroxide test after scraping of the lesion*
- A **potassium hydroxide (KOH) test** is used to identify fungal elements (e.g., in candidiasis), which typically cause itching, redness, and discharge.
- The patient's firm nodular lump is suggestive of a **neoplastic process**, not a fungal infection, making a KOH test inappropriate as the next step.
*Pap smear*
- A **Pap smear** (Papanicolaou test) is used to screen for **cervical cancer** by detecting abnormal cells from the cervix.
- It is not designed to diagnose vulvar lesions and will not provide any information regarding the nature of a **firm nodular lump on the labia**.
