PET3323C Lab Exam 1 - Questions with Correct
Answers (Verified Update)
82 questions with answers
Topic: PET3323C Lab Exam 1
1. flexion vs extension
Answer: flexion: decreasing angle extension: increasing angle
2. abduction vs adduction
Answer: abduction: away from midline adduction: towards midline
3. pronation vs supination
Answer: pronation: turning palm down supination: turning palm up
4. inversion vs eversion
Answer: inversion: sole inwards eversion: sole outwards
5. plantar flexion vs dorsiflexion
Answer: plantar flexion: pointed foot dorsiflexion: flexed foot
6. flexors are generally
Answer: anterior (arm) posterior (leg) inferior (foot)
7. extensors are generally
Answer: posterior (arm) anterior (leg) superior (foot)
8. pollicis
Answer: thumb
9. minimi
Answer: pinky
10. muscles with horizontal striations are good for these types of movement
Answer: pronation, rotation "pronator"
11. bringing the arm forward in the midsaggital plane is considered
Answer: shoulder flexion
12. list the five bones of the fingers
Answer: carpals metacarpals proximal phalanges intermediate phalanges distal phalanges
13. CMC
Answer: carpometacarpal joint
14. MCP
Answer: matacarpophalangeal joint
15. IP
Answer: interphalangeal joint (only on thumb, between proximal and distal phalanges, no
intermediate phalanges)
16. PIP
Answer: proximal interphalangeal joint
Page 1
, 17. DIP
Answer: distal interphalangeal joint
18. list the finger joints in order
Answer: CMC, MCP, PIP, DIP IP is the distal joint of the thumb
19. list anterior muscles of forearm
Answer: from lateral to medial: brachioradialis, pronator teres (diagonal), flexor carpi
radialis, palmaris longus, flexor digitorum superficialis (bottom), flexor carpi ulnaris flexor
digitorum profundus is deep, thick, medial, connects to all phalanges
20. list posterior muscles of forearm
Answer: from medial to lateral: extensor carpi ulnaris, extensor digiti minimi, extensor
digitorum, extensor carpi radialis brevis, extensor carpi radialis longus deep: supinator (top),
abductor pollicis longus (bigger), extensor pollicis brevis (smaller)
21. list the thenar muscles
Answer: abductor pollicis brevis, adductor pollicis, flexor pollicis brevis, opponens pollicis
22. list the hypothenar muscles
Answer: abductor digiti minimi, opponens digiti minimi, lumbricals
23. what do thenar and hypothenar mean
Answer: thenar = palm hypothenar = below palm (in anatomical position, closer to fingers)
24. opponens pollicis
Answer: (deep)
25. opponens digiti minimi
Answer: (deep)
26. adductor hallucis
Answer: deep to abductor hallucis
27. flexor hallucis brevis
Answer: deep to abductor hallucis
28. nerve root vs ramus
Answer: root = when it first exits spinal cord ramus = contains some axons from dorsal and
ventral (sensory and motor)
29. ventral horn contains cell bodies
Answer: somatic motor
30. lateral horn contains cell bodies
Answer: autonomic motor
31. dorsal horn contains cell bodies
Answer: sensory
32. in general, sensory is and motor is
Answer: dorsal, ventral
Page 2
Answers (Verified Update)
82 questions with answers
Topic: PET3323C Lab Exam 1
1. flexion vs extension
Answer: flexion: decreasing angle extension: increasing angle
2. abduction vs adduction
Answer: abduction: away from midline adduction: towards midline
3. pronation vs supination
Answer: pronation: turning palm down supination: turning palm up
4. inversion vs eversion
Answer: inversion: sole inwards eversion: sole outwards
5. plantar flexion vs dorsiflexion
Answer: plantar flexion: pointed foot dorsiflexion: flexed foot
6. flexors are generally
Answer: anterior (arm) posterior (leg) inferior (foot)
7. extensors are generally
Answer: posterior (arm) anterior (leg) superior (foot)
8. pollicis
Answer: thumb
9. minimi
Answer: pinky
10. muscles with horizontal striations are good for these types of movement
Answer: pronation, rotation "pronator"
11. bringing the arm forward in the midsaggital plane is considered
Answer: shoulder flexion
12. list the five bones of the fingers
Answer: carpals metacarpals proximal phalanges intermediate phalanges distal phalanges
13. CMC
Answer: carpometacarpal joint
14. MCP
Answer: matacarpophalangeal joint
15. IP
Answer: interphalangeal joint (only on thumb, between proximal and distal phalanges, no
intermediate phalanges)
16. PIP
Answer: proximal interphalangeal joint
Page 1
, 17. DIP
Answer: distal interphalangeal joint
18. list the finger joints in order
Answer: CMC, MCP, PIP, DIP IP is the distal joint of the thumb
19. list anterior muscles of forearm
Answer: from lateral to medial: brachioradialis, pronator teres (diagonal), flexor carpi
radialis, palmaris longus, flexor digitorum superficialis (bottom), flexor carpi ulnaris flexor
digitorum profundus is deep, thick, medial, connects to all phalanges
20. list posterior muscles of forearm
Answer: from medial to lateral: extensor carpi ulnaris, extensor digiti minimi, extensor
digitorum, extensor carpi radialis brevis, extensor carpi radialis longus deep: supinator (top),
abductor pollicis longus (bigger), extensor pollicis brevis (smaller)
21. list the thenar muscles
Answer: abductor pollicis brevis, adductor pollicis, flexor pollicis brevis, opponens pollicis
22. list the hypothenar muscles
Answer: abductor digiti minimi, opponens digiti minimi, lumbricals
23. what do thenar and hypothenar mean
Answer: thenar = palm hypothenar = below palm (in anatomical position, closer to fingers)
24. opponens pollicis
Answer: (deep)
25. opponens digiti minimi
Answer: (deep)
26. adductor hallucis
Answer: deep to abductor hallucis
27. flexor hallucis brevis
Answer: deep to abductor hallucis
28. nerve root vs ramus
Answer: root = when it first exits spinal cord ramus = contains some axons from dorsal and
ventral (sensory and motor)
29. ventral horn contains cell bodies
Answer: somatic motor
30. lateral horn contains cell bodies
Answer: autonomic motor
31. dorsal horn contains cell bodies
Answer: sensory
32. in general, sensory is and motor is
Answer: dorsal, ventral
Page 2
