Anatomy and Physiology

Demonstration of Pure Tone Audiometry

The pure tone audiometry is the testing of hearing sensitivity of subject to pure tones. This helps in diagnosis of types of hearing loss namely conductive deafness, sensorineural deafness or mixed deafness

Recording of Blood Pressure of the Patient Using Sphygmomanometer

The measurement of blood pressure is one among the vital signs recorded along with others namely heart rate, body temperature, respiratory rate and oxygen saturation. The normal Systolic blood pressure measured in adult is 120 millimeters of mercury and the normal Diastolic blood pressure is 80 millimeters of mercury.

Determination of Heart Rate and Pulse Rate of the Patient

The heart rate is recorded as the number of times the heart beats per minute. Pulse rate is directly proportional to heart rate as it measures the expansion and contraction of the arteries in response to the heart rate per minute.

Determination of Clotting Time

Clotting time is defined as the time interval in between onset of bleeding and appearance of semisolid mass i.e. clot. Normal value of clotting time is 3-4 minutes.

Measurement of Respiratory Dead Space

The Dead space is the volume of breath that does not participate in the gas exchange and is the ventilation of the lungs without perfusion.

Calculation of Body Surface Area (Using a Nomogram)

The surface area is determined when a straight line connecting the patient’s height and weight crosses the BSA column. The aim of the experiment is to calculate body surface area using normogram

Preparation and Staining of Bone Marrow Smear

The semi-solid tissue found in the spongy or cancellous portions of bones is called as bone marrow. The contents are hemopoietic cells, marrow adipose tissue and supportive stromal cells.