Free SPEX Assessment Exam Question and Answers â Questions and Answers
Question 1: A successful endarterectomy was performed on this patient after cerebral angiography revealed a 95% blockage of the left carotid artery. The brain MRI revealed no signs of a previous stroke, and the cardiac ultrasound confirmed mild left ventricular hypertrophy but revealed no anomalies in wall motion or potential emboli sources. <br> <br> The appropriate medication(s) for discharge ought to be:
- aspirin and clopidogrel
- warfarin
- aspirin and a statin (Correct answer)
- aspirin alone
- low molecular weight heparin
Correct answer: aspirin and a statin
Following carotid endarterectomy for significant carotid stenosis and a history of TIAs, the patient remains at high risk for future cerebrovascular events. Long-term management involves antiplatelet therapy with aspirin to prevent clot formation and a statin. Statins are crucial for managing dyslipidemia and providing pleiotropic vascular protective effects, regardless of baseline lipid levels, thereby reducing the risk of recurrent stroke and other cardiovascular events.
Question 2: The young man starts taking an NRTI and a prostate inhibitor. His lover is discovered to be HIV-positive six months later. They acknowledge having multiple instances of unprotected intercourse. She has been referred by her physician for potential therapy and is also five weeks pregnant. She feels fine except for occasional morning sickness and has a basically clean medical background. Her CD4 T-cell count is 500/mL, and she has 20,000 copies of HIV RNA in her blood.<br> <br> What is the safest course of action for her to take to stop the spread of the infection to the fetus?
- Combination ART immediately
- Combination ART after her first trimester is completed (Correct answer)
- Zidovudine monotherapy
- Defer treatment until just before delivery
- No therapy until her HIV RNA is above 50,000
Correct answer: Combination ART after her first trimester is completed
For HIV-positive pregnant women, combination antiretroviral therapy (ART) is recommended to prevent mother-to-child transmission. While ART should be initiated, if the mother's HIV disease is stable and her CD4 count is good, deferring initiation until after the first trimester (around 12-14 weeks) is often preferred. This approach minimizes potential teratogenic risks during the critical period of fetal organogenesis, while still effectively reducing viral load before delivery.
Question 3: Aspirin and naproxen should be stopped, and the patient should report any visible rectal bleeding. For additional testing, a gastroenterologist is consulted. <br> <br> What should the following diagnostic process entail?
- Air contrast barium enema
- Both EGD and colonoscopy (Correct answer)
- Angiography
- Upper gastrointestinal endoscopy (EGD)
- Colonoscopy
Correct answer: Both EGD and colonoscopy
When investigating occult blood in the stool, the initial diagnostic workup for gastrointestinal bleeding typically involves both an upper gastrointestinal endoscopy (EGD) and a colonoscopy. These procedures allow for direct visualization of the most common sites of bleeding in the upper and lower GI tracts, respectively. This comprehensive approach ensures that potential bleeding lesions are identified or ruled out from both ends of the digestive system.
Question 4: A 33-year-old married guy who suffered severe head injuries in a car accident is brought to the emergency room. He is being kept alive by a ventilator, intravenous hydration, and nutrition while he is in a coma. An electroencephalogram (EEG), neurologic examination, and brain imaging investigations are all consistent with the diagnosis of brain death. He didn't leave a living will or any other instructions for end-of-life treatment, but his driver's license indicated that he wanted to be an organ donor. His parents and brother oppose his wife's request to stop all of his assistance and go forward with organ donation; they want to keep him on life support longer in the hopes of a "miracle" and forbid organ donation. What should the accountable doctor do in these circumstances?
- Stop artificial ventilation but maintain hydration and nutrition
- Stop all life support per the wife's wishes and proceed with the organ donation (Correct answer)
- Add morphine or potassium chloride to his intravenous line to try hasten cardiorespiratory death
- Continue life support and call in clergy or bioethics specialist to make the decision
- Call s transplant surgeon to manage the case
Correct answer: Stop all life support per the wife's wishes and proceed with the organ donation
In cases of brain death, the patient is legally and medically deceased. The driver's license indicating organ donation serves as a legally binding advanced directive for organ donation, reflecting the patient's autonomous wishes. The wife, as the legal next of kin, has the authority to make decisions regarding the cessation of life support for a deceased individual, especially when aligned with the patient's expressed wishes. The family's opposition, while emotionally understandable, does not override these legal and medical determinations.
Question 5: A standard pre-employment physical is performed on a 30-year-old single male. His medical history shows he had an appendectomy when he was 16 but no other significant illnesses. He experienced a febrile sickness many months ago that included swollen glands, exhaustion, and a fever, but it went away on its own without the need for medical attention. Further investigation finds that he is bisexual, has had intercourse with both men and women, and currently has a committed partner. About using condoms, he is evasive. He denies having any STDs or using drugs intravenously, although he does snort a little cocaine now and then. Except for the scar from the appendectomy, a physical examination is essentially negative. There are no noticeable oropharyngeal abnormalities, lymphadenopathy, or hepatosplenomegaly. An x-ray of the chest is negative. Each of the tests for hepatitisâCBC, liver function, VDRL, and hepatitisâis negative. Western blot confirmation of an HIV screening test's positive result. Tests using pure protein derivatives (PPD) come up negative. <br> <br> What should the patient's next course of action be?
- Obtain a CD4 T-lymphocyte count
- Observation only with repeat examination and blood tests in 6 months
- Observation only with HIV testing of his girlfriend
- Obtain CD4 T-lymphocyte count and a plasma HIV RNA determination (Correct answer)
- Begin highly active antiretroviral therapy (HAART)
Correct answer: Obtain CD4 T-lymphocyte count and a plasma HIV RNA determination
Once HIV infection is confirmed by Western blot, the immediate next step is to establish baseline immunological and virological parameters. This involves obtaining a CD4 T-lymphocyte count to assess the immune system's health and a plasma HIV RNA determination (viral load) to measure the amount of virus in the blood. These values are essential for staging the disease, monitoring progression, guiding treatment decisions, and establishing a prognosis for the patient.
Question 6: A 101° temperature and a chronic, productive cough are both present in a 24-year-old guy. He claims to have had a "cold" for approximately a week, along with a cough and a temperature between 100° and 101°. He claims not to smoke, use illegal drugs, or be homosexual. He is generally healthy and does not use any prescriptions. A "pneumonia shot" has never been given to him. He experiences a small left-sided pleuritic ache on deep inhalation and feels a little bit out of breath with exercise. Over the left lower lobe, he has some crackles and percussive dullness. Both leg swelling and calf discomfort are absent. There is 93% oxygen saturation.<br> <br> Which diagnosis is more likely?
- Streptococcus pneumoniae pneumonia (Correct answer)
- Legionnaire disease
- Mycoplasma pneumonia
- Pneumocystis pneumonia
- Pulmonary embolus
Correct answer: Streptococcus pneumoniae pneumonia
The patient's presentation with an acute onset of productive cough, fever, pleuritic chest pain, and localized lung findings (crackles, dullness) is highly suggestive of typical bacterial pneumonia. In a healthy, young adult, Streptococcus pneumoniae is the most common cause of community-acquired bacterial pneumonia. The symptoms align more closely with typical bacterial pneumonia than with atypical pathogens or opportunistic infections.
Question 7: A 101° temperature and a chronic, productive cough are both present in a 24-year-old guy. He claims to have had a "cold" for approximately a week, along with a cough and a temperature between 100° and 101°. He claims not to smoke, use illegal drugs, or be homosexual. He is generally healthy and does not use any prescriptions. A "pneumonia shot" has never been given to him. He experiences a small left-sided pleuritic ache on deep inhalation and feels a little bit out of breath with exercise. Over the left lower lobe, he has some crackles and percussive dullness. Both leg swelling and calf discomfort are absent. There is 93% oxygen saturation.<br> <br> Except for the following, all of the following would be suitable for managing this case:
- CBC with differential
- Doxycycline 100 mg orally twice daily
- Chest x-ray
- Hospitalization for intravenous cephalosporin (Correct answer)
- Azithromycin 500 mg as a single dose on the first day followed by 250 mg daily
Correct answer: Hospitalization for intravenous cephalosporin
For a healthy 24-year-old with mild-to-moderate community-acquired pneumonia and 93% oxygen saturation, outpatient treatment with oral antibiotics like doxycycline or azithromycin is typically sufficient. Hospitalization for intravenous cephalosporin is generally reserved for more severe cases, patients with significant comorbidities, or those unable to tolerate oral medications. Therefore, hospitalization is not a suitable initial management step for this patient.
Free SPEX Assessment Exam Question and Answers
A successful endarterectomy was performed on this patient after cerebral angiography revealed a 95% blockage of the left carotid artery.
The brain MRI revealed no signs of a previous stroke, and the cardiac ultrasound confirmed mild left ventricular hypertrophy but revealed no anomalies in wall motion or potential emboli sources.
The appropriate medication(s) for discharge ought to be: