Upgrade to remove ads
Only $35.99/year

ANA 113, Lecture 15

Terms in this set (60)

What receptors are located in the skin, respond to mechanical deformation
Pressure receptors
Corpuscles refers to
pressure
Meissner's corpuscles (tactile corpuscles)
light pressure
Pacinian corpuscles (lamellar)
deep pressure
detect "position sense" in muscles, tendons, and ligaments
Proprioceptors
type of proprioceptors
Neuromuscular spindles
Golgi tendon organs
Are nerves sensory or motor?
both
what ramus is very large
ventral primary ramus
T4 is the
nipple
T10 is at the level of
umbilicus
Are dermatomes motor or sensory
Sensory only of each dorsal and ventral primary ramus
Dorsal primary rami of sensory fibers is located on
skin of back
Dorsal primary rami of motor fibers is located on
deep muscles of the back
Ventral primary rami sensory fibers is located on
skin of anterior lateral trunk
Ventral primary rami motor fibers is located on
muscles of anterior and lateral trunk
You must have lost ___ adjacent dermatome levels to have lost sensation
3
What are the four major plexuses
cervical, brachial, lumbar, sacral
Cervical plexus location
C1-C5
major branch of cervical plexus
phrenic nerve
What nerve keeps the diaphragm "alive"?
phrenic nerve (C3,4,5)
phrenic nerve location
C3-C5
brachial plexus location
C5-T1
Sensory location of brachial plexus
skin of shoulders and upper limb
Motor location of brachial plexus
muscles of shoulders and upper limb
This nerve is innervated by the deltoid muscle
Axillary muscle
If this nerve is damaged you can't abduct the arm
Axillary muscle
If this nerve is damaged you suffer from "wrist-drop"
Radial nerve
Motor innervation of the triceps and extensions of the forearm/wrist is what nerve
Radial
Sensory innervation of the posterior side of the forearm skin is what nerve
Radial
A patient explain they cant extend their forearm/ wrist. What nerve did they damage
Radial
If this nerve was damaged a patient would not be able to flex their forearm/ supinate
Musculocutaneous
Sensory innervation of musculocutaneous nerve is
Skin of the forearm
Motor innervation of musculocutaneous nerve is
biceps, brachi, brachiallis
Claw hand is caused by damage to what nerve?
Ulnar
Claw hand is due to the damage of what lumbricals
4th and 5th
innervated motor structure: flexor carpi, flexor digitorum, profundas, lumbricals is from what nerve
Ulnar
innervated sensory structure: skin of medial forearm is due to what nerve damage
Ulnar
Ape hand is a lesion of what nerve
median nerve
If you had innervation to the flexors of the wrist, thenar eminence, and lumbricals (motor), what nerve was damaged
Median
If you had sensory innervation to the skin of anterior, medial palm, and 3 1/2 digits
Median nerve
If a patient lost the opposition of their thumb, what nerve was damaged
Median nerve
carpal tunnel syndrome is due to what nerve damage
Median
What nerve is damaged from the inability to extend the leg or flex the thigh
Femoral
femoral nerve motor innervation
quadriceps
If a patient was unable to adduct their lower limbs, what nerve was damaged
Obturator
obturator motor innervation
adductors, muscles of medial thigh
not being able to extend the thigh or flex the leg is due to damage of what nerve
Sciatic nerve
What is the largest nerve in the body
sciatic nerve
Sciatic Motor Innervation
hamstrings
The sciatic nerve is a combination of which two nerves?
Tibial and Common Fibular
A deficit in the calf muscles and plantarflexion is due to what nerve damage
Tibial
Tibial motor innervation
All muscles in the posterior leg- soleus, tibialis
"foot drop"/ unable to dorsiflex is due to what nerve being damaged
Common fibular
A fibular nerve is composed of
Deep Fibular nerve and Superficial Fibular nerve
deep fibular nerve innervates
anterior leg muscles
superficial fibular nerve innervates
muscles of lateral leg
If a patient is unable to control their urine/defacation is damage due to what nerve
Pudendal nerve
Motor and sensory innervation of the pudendal nerve is
Pelvic floor
What is the spinal segment of the knee reflex
L2, L3, L4
sire of receptor stimulation of the knee reflex
Patellar tendon just below the patella
Recommended textbook explanations

Introduction to Anatomy and Physiology

1st EditionMichelle Provost-Craig, Susan J. Hall, William C. Rose
1,678 explanations

Essentials of Human Anatomy and Physiology

8th EditionElaine N. Marieb
648 explanations

Hole's Essentials of Human Anatomy and Physiology

12th EditionDavid N. Shier, Jackie L. Butler, Ricki Lewis
1,633 explanations

Essentials of Human Anatomy and Physiology

8th EditionElaine N. Marieb
648 explanations