Most Asked Spinal Anat Questions

Question 1

The ductus arteriosus becomes?

Answer 1

ligamentum arteriosum

Question 2

The umbilical vein becomes?

Answer 2

round ligament

Question 3

Esophagus is derived from the?

Answer 3

foregut

Question 4

Duodenum is derived from the?

Answer 4

midgut

Question 5

The sacral sympathetic chain is derived from the?

Answer 5

neural crest

Question 6

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

Answer 6

C) neurons of PNS

Question 7

Muscles of mastication involve which pharyngeal arch?

Answer 7

1

Question 8

Where do we find ciliated pseudostratified columnar?
A) lungs
B) vas deferens
C) capillaries
D) trachea

Answer 8

D) trachea

Question 9

Which cells form myelin in the CNS?

Answer 9

oligodendrocytes

Question 10

Which cells form myelin in the PNS?

Answer 10

schwann cells

Question 11

Which cells are the most numerous in the CNS?

Answer 11

astrocytes

Question 12

Most neurons in the CNS are?

Answer 12

multipolar

Question 13

Which neurons connect within the lower centers to cerebral cortex?

Answer 13

projection

Question 14

umbilical artery becomes?

Answer 14

medial umbilical ligament

Question 15

What secondary vesicle is associated with thallus formation?

Answer 15

diencephalon

Question 16

What structure develops from the mesencephalon?

Answer 16

midbrain

Question 17

What structure develops from the metencephalon?
A) midbrain
B) medulla
C) cerebral aqueduct
D) pons

Answer 17

D) pons

Question 18

Which part of the brain is responsible for striatal lesions- tremors?

Answer 18

basal ganglia

Question 19

What cranial nerve includes the myelencephalon?

Answer 19

9, 10, 11, 12

Question 20

The lateral ventricles are located in the?

Answer 20

diencephalon

Question 21

The 4th ventricles are located in the?

Answer 21

metencephalon

Question 22

damage to _____________ can cause striatal lesions?

Answer 22

basal ganglia

Question 23

Mention the meningeal order from outside to inside?

Answer 23

dura, arachnoid, pia

Question 24

What cell produces CSF?

Answer 24

choroid plexus

Question 25

The spinal cord terminates in?

Answer 25

L1-L2

Question 26

The cauda equina terminates as?

Answer 26

pia mater

Question 27

The "horse tail" that terminates after the spinal cord is called?

Answer 27

cauda equina

Question 28

Which is the primary motor cortex? A) precentral gyrus B) postcentral gyrus C) thalamus D) midbrain

Answer 28

A) precentral gyrus

Question 29

What is the main pathway between the thalamus and cortex?

Answer 29

thalamocortical radiations

Question 30

The thalamus is in charge of? A) conscious interpretation B) integrations in relay center C) coordination D) balance

Answer 30

B) integrations in relay center

Question 31

Post central gyrus is? A) motor B) sensory C) sensory motor D) motor sensory

Answer 31

B) sensory

Question 32

A LMNL will cause? A) increase in path reflexes B) increase in muscle tone C) increase in superficial reflexes D) fasciculations

Answer 32

D) fasciculations

Question 33

An UMNL will? A) decrease muscle tone B) increase in superficial reflexes C) decrease in superficial reflexes D) flaccidity

Answer 33

C) decrease in superficial reflexes

Question 34

What nerve innervates the diaphragm? A) vagus B) long thoracic C) phrenic D) diaphragmatic

Answer 34

C) phrenic

Question 35

Peripheral nerves have? A) myelinated axons B) unmyelinated axons C) multi axons D) oligodendrocytes

Answer 35

A) myelinated axons

Question 36

Bipolar cells are found in?

Answer 36

retina and vestibular nerves

Question 37

Which is an ascending unconscious tract? A) dorsal column B) posterior spinocerebellar C) spinotectal D) vestibulospinal

Answer 37

B) posterior spinocerebellar

Question 38

Dorsal column deals with? A) pain B) vibration C) temp D) unconsciousness

Answer 38

B) vibration

Question 39

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

Answer 39

A) posterior root ganglion, substantia gelatinosa, posterior lateral nucleus

Question 40

The spinothalamic tract deals with? A) vibration B) skilled voluntary movement C) pain and temp D) unconsciousness

Answer 40

C) pain and temp