Test 2 Celi

Negative feedback loop

Responses that reverse disturbances to the body’s condition.

Positive feedback loop

Increase in function in response to stimulus.

Prone

lying flat on your stomach,face down

Left lateral recumbent

lying on your left side

Right lateral recumbent

lying on your right side

Supine

lying flat on you back face up

Fowler’s

sitting/lying with the head and upper body raised(usually 45-60 degrees)

Trendelenburg

lying on your back with the head lower lower than your feet.

X-ray

-produces image of interior structures, inexpensive and quick, hollow structures paper black or gray, do not pass through dense structure(bone)

CT-Scan

Computer assisted radiography,3D structures, visualize soft tissues in more detail directional radiography,tissue intensity show very degrees of gray, whole body CT scans, lung and kidney cancers coronary artery disease.

MRI

high energy magnetic field, protons in body fluid align with field.

Ultrasound scanning

frequency sound waves

Endoscopy

lightened instrument with lens, image projected onto a monitor

Colonoscopy

interior of colon

laparoscopy

organs in abdominopelvic cavity

Arthroscopy

interior of joint