Nokea
Manifestations of the initial attack of rheumatic fever with carditis may include all the following Except:
- A. Tachycardia out of proportion to fever
- B. Pericardial rub
- C. Heart failure
- D. Apical mid-diastolic rumbling murmur with pre-systolic accentuation
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
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A patient develops a postoperative deep vein thrombosis and is started on IV heparin. Which of the ff. laboratory tests is monitored during the heparin therapy?
- A. Plasma fibrinogen c.Partial thromboplastin time (PTT)
- B. Prothrombin time (PT)
- C. International normalized ratio (INR)
Correct Answer: C
Rationale: During heparin therapy, the laboratory test that is monitored is the partial thromboplastin time (PTT). Heparin acts by potentiating the activity of antithrombin III, leading to the inhibition of both thrombin and factor Xa. The PTT measures the intrinsic pathway of coagulation and is prolonged with heparin due to its anticoagulant effect. Monitoring the PTT helps to ensure that the patient is within the therapeutic range of anticoagulation to prevent clot formation without increasing the risk of bleeding complications. Plasma fibrinogen, prothrombin time (PT), and international normalized ratio (INR) are not routinely monitored during heparin therapy.
Which of the following is NOT a seronegative spondyloarthropathy?
- A. Ankylosing spondylitis
- B. Reactive arthritis
- C. Psoriatic arthritis
- D. Rheumatoid arthritis
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Which clinical sign is pathognomonic of rubella?
- A. Severe prodromal stage
- B. Circumoral pallor
- C. Maculopapular rash
- D. Post auricular lymphadenopathy
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
What is normally the earliest age at which an infant begins teething with eruption of lower central incisors?
- A. 4 months
- B. 6 months
- C. 8 months
- D. 12 months
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Which clean-catch urinalysis finding should raise the most concern for a child admitted to an urgent care center to rule out a urinary tract infection?
- A. 2+ white blood cells
- B. 1+ red blood cells
- C. Urine appearance: cloudy
- D. Specific gravity: 1.009
Correct Answer: D
Rationale: A specific gravity of 1.009 is low, indicating diluted urine, which can be concerning in the context of a urinary tract infection. Diluted urine may suggest inadequate concentration due to increased fluid intake or impaired kidney function, which are important considerations in the assessment of a possible UTI.