The clue to need a help for a child who does not respond correctly to 'Give me' or 'Sit down' or 'Come here' when spoken without gestural cues is by age of

The clue to need a help for a child who does not respond correctly to 'Give me' or 'Sit down' or 'Come here' when spoken without gestural cues is by age of

A 15-month-old toddler was able to do all the following EXCEPT

You are assigned to evaluate the outcome of fecal occult blood test as a screening test for patients with bowel cancer. The total number of patients who underwent the test is 2030; in those whom the disease is confirmed are 30. The results of fecal occult blood test are as follows: in 20 patients who has a confirmed bowel cancer (truly positive), and in 180 patients who don't have the disease (falsely positive); in 10 patients who truly has the disease (falsely negative), and in 1820 patients who are not affected by the disease (truly negative). All the following statements are true EXCEPT

A medical student observes that infants cry in response to another infant's cry. The MOST appropriate answer is that it represents

A 10 years old girl presented with fever and bruises for last 2 weeks. On examination she is pale; however there is no evidence of lymphadenopathy or hepatosplenomegaly. Her Hb is 6g/dl, TLC is 2700 and platelets are 90000. The most appropriate investigation to clinch the diagnosis is: