Most Asked Spinal Anat Questions Flashcards
The ductus arteriosus becomes?
ligamentum arteriosum
The umbilical vein becomes?
round ligament
Esophagus is derived from the?
foregut
Duodenum is derived from the?
midgut
The sacral sympathetic chain is derived from the?
neural crest
Which of the following is not derived from the neural plate?
A) microglial cells
B) neurons of CNS
C) neurons of PNS
D) retinal cells
C) neurons of PNS
Muscles of mastication involve which pharyngeal arch?
1
Where do we find ciliated pseudostratified columnar?
A) lungs
B) vas deferens
C) capillaries
D) trachea
D) trachea
Which cells form myelin in the CNS?
oligodendrocytes
Which cells form myelin in the PNS?
schwann cells
Which cells are the most numerous in the CNS?
astrocytes
Most neurons in the CNS are?
multipolar
Which neurons connect within the lower centers to cerebral cortex?
projection
umbilical artery becomes?
medial umbilical ligament
What secondary vesicle is associated with thallus formation?
diencephalon
What structure develops from the mesencephalon?
midbrain
What structure develops from the metencephalon?
A) midbrain
B) medulla
C) cerebral aqueduct
D) pons
D) pons
Which part of the brain is responsible for striatal lesions- tremors?
basal ganglia
What cranial nerve includes the myelencephalon?
9, 10, 11, 12
The lateral ventricles are located in the?
diencephalon
The 4th ventricles are located in the?
metencephalon
damage to _____________ can cause striatal lesions?
basal ganglia
Mention the meningeal order from outside to inside?
dura, arachnoid, pia
What cell produces CSF?
choroid plexus
The spinal cord terminates in?
L1-L2
The cauda equina terminates as?
pia mater
The “horse tail” that terminates after the spinal cord is called?
cauda equina
Which is the primary motor cortex?
A) precentral gyrus
B) postcentral gyrus
C) thalamus
D) midbrain
A) precentral gyrus
What is the main pathway between the thalamus and cortex?
thalamocortical radiations
The thalamus is in charge of?
A) conscious interpretation
B) integrations in relay center
C) coordination
D) balance
B) integrations in relay center
Post central gyrus is?
A) motor
B) sensory
C) sensory motor
D) motor sensory
B) sensory
A LMNL will cause?
A) increase in path reflexes
B) increase in muscle ton
C) increase in superficial reflexes
D) fasciculations
D) fasciculations
An UMNL will?
A) decrease muscle tone
B) increase in superficial reflexes
C) decrease in superficial reflexes
D) flaccidity
C) decrease in superficial reflexes
What nerve innervates the diaphragm?
A) vagus
B) long thoracic
C) phrenic
D) diaphragmatic
C) phrenic
Peripheral nerves have?
A) myelinated axons
B) unmyelinated axons
C) multi axons
D) oligodendrocytes
A) myelinated axons
Bipolar cells are found in?
retina and vestibular nerves
Which is an ascending unconscious tract?
A) dorsal column
B) posterior spinocerebellar
C) spinotectal
D) vestibulospinal
B) posterior spinocerebellar
Dorsal column deals with?
A) pain
B) vibration
C) temp
D) unconsciousness
B) vibration
What is the correct order for the anterior spinothalamic pathway?
A) posterior root ganglion, substantia gelatinosa, posterior lateral nucleus
B) posterior root ganglion, substantia gelatinosa, anterior lateral nucleus
C) posterior root ganglion, substantia gelatinosa, secondary motor cortex
D) posterior root ganglion, red nucleus, posterior lateral nucleus
A) posterior root ganglion, substantia gelatinosa, posterior lateral nucleus
The spinothalamic tract deals with?
A) vibration
B) skilled voluntary movement
C) pain and temp
D) unconsciousness
C) pain and temp
