which one of the following is the sign of iron deficiency anemia

Which is the best posture for Cervical Lymph node examination needs: 

The chest examination of a 20 year old boy consist of presence of wheeze on auscultation . it is the cardinal sign of :

 A young male presented in opd with fever ,for 3 days fluctuating from 101 to 103 He is checking temperature twice daily and said it doesn’t become normal. The type of fever is :

Identify the grade of clubbing

Look at the patient and choose the system that should be examined in this patient ?

A 25 year old female presented in opd with abdominal pain and diarrhea for a week . She has no fever or vomiting. Her B P is 90/60 and pulse is 100 b/ min

What is the test you would advise to support your diagnosis? 

Look at the picture of given examination and choose the cause of this condition

The most common cause of lymphadenopathy is