Nokea
The MOST likely cause of a 4-year-old boy refusing to go to bed and remaining active is
- A. thyrotoxicosis
- B. ADHD
- C. behavioral insomnia of childhood
- D. sleep-onset association disorder
Correct Answer: C
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.
All the following are characteristic of retinal hemorrhage caused by abusive head trauma (AHT) EXCEPT
- A. multiple
- B. involve more than one layer of the retina
- C. central
- D. traumatic retinoschisis
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Which of the following is NOT a potential complication of neonatal jaundice?
- A. kernicterus
- B. deafness
- C. cerebral palsy
- D. cardiomyopathy
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
In infants, inferences about vision may be made by physical examination of the eye and assessment of
- A. language
- B. intelligence
- C. gross motor
- D. personal-social
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
What is the maximum accepted rate of drop of serum sodium per 24 hours in hypernatremia?
- A. 8 mmol/L
- B. 12 mmol/L
- C. 16 mmol/L
- D. 20 mmol/L
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.