Identify the instrument shown below 
What instrument is used to insert this tube? 


Identify the most common site of an intraperitoneal abscess.

Which of the following cranial nerves is responsible for the motor innervation of the muscles of mastication?
The normal pH of arterial blood is:
Which enzyme is deficient in Gaucher’s disease?
The anticoagulant effect of heparin is monitored using:
The causative agent of malaria is: