Physiological Apparatus Flashcards
Usual source of current
Battery
2 Types of Current (3 names each, name all)
Direct/Galvanic/Constant
Induced/Faradic/Pulsating
2 Types of Battery
Dry cell and wet cell
Connecting wires are attached to what in a dry/wet cell battery
2 Binding poles (1 negative, 1 positive)`
A device with two binding posts and a contact metal
Simple Key
When contact metal in a simple key is pressed what current is produced?
Make current/shock/stimulus
When contact metal in a simple key is released what current is produced?
Break current/shock/stimulus
Parts of a simple key
2 binding posts and a contact metal
Where are the connecting wires attached in a simple key?
Binding posts
What produces the make or break current in a simple key?
Contact metal
2 types of simple key (enumerate and differentiate)
New simple key - metal/fiber glass base
Old simple key - wood base
3 Uses of kymograph
apparatus for recording…
- Physiological functions (Muscle contraction)
- Daily Temperature changes
- Variations in water level
2 Types of Kymograph
- Spring Driven kymograph
2. Electrically Driven kymograph
What controls a Spring Driven kymograph’s speed? When is it slower?
Fans of various sizes. The smaller the fan the faster the speed
What controls a Electrically Driven kymograph’s speed?
Five speed motor control gear shift
What secures the paper in a kymograph?
paste or gum labels
smoky flame is created with?
kerosene/gum camphor
Fixative used for kymograph
Shellac
An apparatus used to apply a threshold stimulus to living tissues
Inductorium
Types of inductorium
Long Inductorium and
Short/Square Inductorium
How many binding posts are there in an inductorium
5 binding posts (3 primary and 2 secondary)
Calibration of short inductorium
1-10
Calibration of long inductorium
1-22
Maximum flow of current for long inductorium
1
Maximum flow of current for short inductorium
10
Single shock for short inductorium
Binding posts A&B
Single shock for long inductorium
Binding posts A&C
Tentanizing/Repetitive/series of stimuli/shock for short inductorium
Binding posts A&C
Tentanizing/Repetitive/series of stimuli/shock for long inductorium
Binding posts A&B
Event marker (noting time and type of stimulus; time in seconds)
Signal Magnet
Alternative source of current (3V-12V)
Electric Stimulator
Types of signal magnet
Old and new
Has 2 binding posts at its end
Old signal magnet
Has 2 binding posts at the top
New signal magnet
Records contraction of the muscle
Muscle lever
Types of muscle lever
Old and New
Parts of an old muscle lever
After loading screw, writing pen, binding posts
What controls the direction/position of the writing pen in an old muscle lever?
After loading screw
Is used to hold a muscle in place and only has one binding post
Muscle clamp
Types of muscle clamp
New and old
Records the time duration of a muscle contraction and creates 100 vibrations per second
Tuning fork
Parts of a tuning fork
prongs, handle, writing pen mad of hard parchment
Is part of the secondary circuit
muscle clamp
Records the changes in the size of an object
Pneumograph
What is always used with the pneumograph?
Tambour
Parts of a pneumograph
Rubber pleated tube and metal chain
What is the shallow depression inside the tambour?
Bowl
What covers the bowl in a tambour?
Rubber sheet made of latex
What secures the rubber sheet in a tambour?
Tight-fitting ring
Used to test reflexes and the integrity of the spinal cord in the lower back region
Rubber mallet/Reflex hammer
Arrange the types of sphygmomanometer by decreasing accuracy
Mercurial, Aneroid and digital
An instrument that measures blood pressure
Sphygmomanometer
Parts of a stethoscope
Ear piece, Rubber tube connector and chest pieces
Chest piece with depression; detecting low frequency sounds
Shallow bell
Detects high frequency sounds
Stiff diaphragm
Records different pulmonary volume and capacity
Used to assess lung function
Records in mL
Spirometer
Calibration of Spirometer
0-6 L
Parts of a mercurial sphygmomanometer
mercury chamber, aspirator, rubber cuff
First heartbeat
systolic
Last heartbeat
diastolic
Use of stethoscope to hear heartbeats
Auscultation
Feeling for heartbeat
Palpation
Tapping for heartbeat
Percussion
When pneumograph collapses what happens to pressure in the closed system?
increases, causing the rubber sheet to bulge and raise the tambour