Human Anatomy Weekly Quizzes Exam 2
The glial cell that helps to form cerebrospinal fluid is the
ependymal cell
The ulnar notch is located in the __________ (bone) and articulates with the ___________ .
radius; head of the ulna
The pubic symphysis unites which two bones?
right and left pubis
How do signals pass through a typical single neuron?
signals pass from the dendrites through the cell body and down the axon to the axon terminals
The ligament that runs from the anterior aspect of the femur towards the posterior aspect of the tibia is named the:
posterior cruciate ligament (PCL)
The ________________________ innervates the trapezius and the sternocleidomastoid.
Accessory nerve - CN XI
The superior trunk originates from the branches of which cervical nerve?
C5 & C6
Which of the following describes a gomphosis joint correctly? - one bone rotates around another bone - No statement describes a gomphosis joint. - the rounded, ball-like end of one bone fits into a concave depression of another bone - the flat articular surfaces of two bones glide past one another the convex articular surface of one bone fits into the concave articular surface of another bone
No statement. Gomphosis joint = type of fibrous joint (think 'gum'), peg-and-socket joint - one bone rotates around another bone = pivot joint - the rounded, ball-like end of one bone fits into a concave depression of another bone = ball-and-socket joint - the flat articular surfaces of two bones glide past one another the convex articular surface of one bone fits into the concave articular surface of another bone = plane/gliding joint
In the brain, the separation of the periosteal layer and the meningeal layer form which structure(s)?
all dural venous sinuses
When the forearm is pronated, the shaft of the radius is ____________ to the shaft of the ulna.
anterior
The ligament that runs from the posterior aspect of the femur towards the anterior aspect of the tibia is named the:
anterior cruciate ligament (ACL)
In the spinal cord, the somas of the lower motor neurons are found in the:
anterior/ventral horns
The glial cells that guide migrating neurons in the developing fetal brain are
astrocytes
Nerves that directly control the motility of the stomach or rate of the heartbeat would belong to the
autonomic motor division
Which two bone features compose the condyle of the humerus?
capitulum and trochlea
Below L1-L2, the vertebral canal is occupied by a bundle of spinal nerve roots called the:
cauda equina
The nerve branching off of C5 can belong to both the _________ and ________ plexuses.
cervical; brachial
Which cranial nerves do not innervate the eye?
facial - CN VII
Which bone has the linea aspera as one of the bone features?
femur
Which of the following bones is NOT part of the knee joint? - tibia - femur - patella - fibula
fibula
Lambert-Eaton myasthenic syndrome is an autoimmune disease that attacks voltage-gated calcium channels in the nerve terminal. Calcium channels are unable to open and as a result neurotransmitter is not released. What is a likely symptom of this condition?
inability to contract muscles
An amphiarthrosis is defined as a:
joint that allows some motion
The lateral cord gives rise to which nerves?
musculocutaneous and median
Which of the following is NOT a function of synovial fluid? - nourishment for chondrocytes - lubrication - nourishment for osteocytes - shock absorption
nourishment for osteocytes
The synovial joint between the atlas and axis is a:
pivot joint
Which of the following branched patterns of nerves is part of the brachialplexus?
superior trunk, lateral cord, & musculocutaneous nerve
In healthy humans, the cerebrospinal fluid (CSF) flows in a specific direction due to
the ependymal cells cilia
Which of the following bone(s) articulates with the femur? - tibia - fibula - tibula and fibia - fibula and tibia
tibia
The _________________________ innervates the superior oblique muscle.
trochlear nerve - CN IV
The longest nerve that innervates the digestive system is the
vagus nerve
When is it that an impulse does not have to reach the brain?
when it is a reflex
The dorsal root ganglion has which types of neurons relaying what type of information ?
Unipolar Neurons, sensory information
The bones that form the pectoral girdle are the:
clavicle and scapula
The ____________ is the outermost meninx, and forms supportive and protective partitions between some portions of the brain.
dura mater
Which bone feature of the scapula is posterior?
spine
The abducens nerve _________.
supplies innervation to the lateral rectus muscle of the eye
Which tarsal bone articulates with the tibia?
talus
What is the largest mass of neuronal cell bodies found within the central nervous system?
thalamus
What structure connects the hypothalamus to the pituitary gland?
Infundibulum
Although rare, brain stem damage may occur due to inflammation produced by other brain injuries. Which of the following functions will be affected due to damage in the Pons?
Communication between cerebellum and cerebrum.
Damage on which of the following cranial nerves would result in vertigo and unilateral hearing loss?
Vestibulocochlear - CN VIII