ACTIVITY 2I - THE AGING HAND
Answer Key
1. Look at frame 6. Carpals, metacarpals, phalanges, radius, and ulna a re circled
and labeled.
2. Look at frame 1. The carpal a rea is ci rcled and labeled.
3. Look at frame 2. G rowth plates a re circled and labeled where a space (cartilage)
occurs between the individual phalange bones or between the phalanges
and metacarpals.
4. Look at frame 3 . An ossification (bone) center should be circled and labeled. This
should be an area where a space occurred in an earlier frame.
5. Look at frame 4 . An epiphyseal line should be circled and labeled on a metacarpal.
Show and circle frame 4 completely.
6. Frame 4 should be circled; no further major changes occur after this frame.
7. The X-ray drawing is f rom a six-year and ten-month-old female. Students should
state that they would place this photo between frame 2 and frame 3. Some of the
carpal bones a re present. Also, ossification (bone) centers a re present at the ends of
some of the bones.
(question 2)
(question 3)
G rowth Plate
G rowth Plate
Carpals
Frame 1 —Newborn
UNIT
12
Frame 2 —1 Year
© 2001 UTHSCSA "Positively Aging®" a trade mark of the University of Texas Health Science Center at San Antonio
12-1
ACTIVITY 2I - THE AGING HAND - Answer Key
(question 4)
(questions
5 and 6)
Ossification
Center
Epiphyseal
Line
Frame 3 —13 Years
Frame 4 —18 Years
(question 1)
Phalanges
Carpals
12
UNIT
Metacarpals
Ulna
Frame 5 —28 Years
Frame 6 —50 Years
© 2001 UTHSCSA "Positively Aging®" a trade mark of the University of Texas Health Science Center at San Antonio
12-2
Download

ACTIVITY 2I - THE AGING HAND - Answer Key

get an essay or any other
homework writing help
for a fair price!
check it here!