GRADED A+
✔✔In most cases, the first manifestation of Alzheimer's disease is:
1. impaired judgment.
2. decrease in short-term memory.
3. disorientation in time and place.
4. decrease in long-term memory. - ✔✔decrease in short-term memory
✔✔The optimal treatment for latent tuberculosis is:
1. rifampin (Rifadin) for 5 months.
2. isoniazid (Nydrazid) for 9 months.
3. pyrazinamide for 6 months.
4. ethambutol for 6 months. - ✔✔osioniazid (nydrazid) for 9 months
✔✔Unilateral spontaneous serous or serosanguineous discharge from a single duct of a
breast is most often caused by:
1. intraductal papilloma.
2. mucinous breast lesions.
3. Paget's disease.
4. ductal carcinoma in situ. - ✔✔intraductal papilloma
✔✔A young child with asthma presents for follow-up evaluation. After numerous
changes in medications and doses, the parents report that the child continues to have
difficulty with coughing, especially during the night. Which of the following conditions
would be the most likely cause of the continued asthma symptoms?
1. Vocal cord dysfunction
2. Cystic fibrosis
3. Gastroesophageal reflux
4. Allergic rhinitis - ✔✔gastroesophageal reflux
✔✔A pregnant woman with known HIV infection can reduce the risk of perinatal
transmission through zidovudine (Retrovir) therapy. Based on current research, optimal
therapy is to start daily dosing:
1. post amniocentesis.
2. after 14 weeks of gestation.
3. if premature rupture of membranes occurs.
4. if maternal viral loads are greater than 10,000. - ✔✔after 14 weeks gestation
✔✔T-wave inversion with a normal ST segment on a 12-lead EKG may represent:
, 1. acute coronary ischemia.
2. right ventricular hypertrophy.
3. atrial hypertrophy.
4. hyperkalemia. - ✔✔acute coronary ischemia
✔✔The 16-year-old mother of a 2-month-old presents the infant, reporting that the child
is very irritable and does not feed well. During physical examination, the child's head
drops back and the child exhibits sudden flexing of the extremities. As the flexing stops,
the child cries uncontrollably. Funduscopic examination reveals retinal hemorrhages.
Which of the following diagnostic tests should be ordered?
1. Skull X-rays
2. MRI
3. CT scan
4. Pet scan - ✔✔CT scan
✔✔The most important diagnostic factor in evaluating angina pectoris is the patient's:
1. King of Heart's monitor.
2. physical examination.
3. history.
4. echocardiogram. - ✔✔history
✔✔There are three reasons for latex allergies. Which of the following does NOT cause
the problem?
1. Immediate hypersensitivity
2. Irritant contact of dermatitis
3. Cytotoxic hypersensitivity
4. Immune complex reaction - ✔✔cytotoxic hypersensitivity
✔✔A patient on warfarin (Coumadin) therapy for recurrent deep vein thrombosis (DVT)
is about to have lumbar spinal fusion surgery. The patient's warfarin is put on hold
starting 5 days prior to the surgery and subcutaneous Lovenox has been ordered for
DVT prophylaxis until the resumption of the warfarin. The nurse practitioner knows that
the patient's postoperative warfarin dose should be restarted based on the:
1. value of her morning Prothrombin time.
2. loading dose of 10 mg, plus the previous warfarin dose.
3. baseline PT and INR values.
4. target INR of 2. - ✔✔caseline PT and INR values
✔✔An 87-year-old patient presents with round, pruritic plaques and small vesicles on
the lower legs. The most likely diagnosis is: