निम्नलिखित में से किस उपकरण का उपयोग विशेष रूप से हृदय संबंधी समस्याओं के मूल्यांकन के लिए किया जाता है?

Which of the following instruments is used to measure airflow and lung volume?

Haemostatic forceps, used to control bleeding during surgery, are also commonly known as:

Which medical instrument consists of a sterile, bulb-ended syringe used primarily for suctioning or irrigating bodily cavities?