Exam (elaborations)
Nur 3028 Module 2 Questions And Answers Latest Update
- Course
- NURSING
- Institution
- Paradise Valley Community College
Nur 3028 Module 2 Questions And Answers Latest Update
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Solution 2024/2025Pepper
Nur 3028 Module 2 Questions And Answers
Latest Update
disuse ANS✔✔ a state of decreased or absent use of an organ or body part
immobility ANS✔✔ the inability to move the whole body or a body part
how soon can you feel the effects of immobility/disuse? ANS✔✔ as soon as
48 hours
atrophy ANS✔✔ decrease in size of a tissue or organ due to inactivity
contractures ANS✔✔ abnormal shortening of a muscle that causes
resistance to stretching
what can contractures cause? ANS✔✔ a state of permanent flexion
calcium reabsorption/disuse osteoporosis ANS✔✔ demineralization of bones
that makes them brittle and easily fractured
1. what tends to occur with age, especially in women. and is also
accelerated by prolonged immobility ?
2. and why is it accelerated by immobility? ANS✔✔ 1. calcium
reabsorption/disuse osteoporosis.
, Solution 2024/2025
Pepper
2. because osteoblast activity declines without weight bearing stress on
bones
pressure injury ANS✔✔ a lesion caused by unrelieved pressure that
damages underlying tissue due to diminished perfusion (blood flow)
capillary closing pressure ANS✔✔ the minimum pressure required to
collapse a capillary. pressure that exceeds this is usually 35mmhg
interface pressure ANS✔✔ capillaries "squeezed" between a body part and
the surface against which it is lying
shear ANS✔✔ pressure exerted against the skin in a direction parallel to the
body surface
when does a shear typically occur? ANS✔✔ when the patient slides down
while in fowlers position OR
gets "pulled up in bed" by staff while the skin is in contact with bed linens
the skin and subcutaneous tissue adheres to the bed, while the muscles and
deeper tissues slide in direction of the body motion
what happens when a shear occurs? ANS✔✔ the skin gets stretched.
underlying capillaries are compressed and torn. bleeding and necrosis
occurs deep in the tissues even when no damage is visible at the external
skin surface
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