spinal cord, development, cranial nerves,blood flow

Question 1

Which functional type(s) of neurons are present in the posterior rami of the spinal nerves?

Answer 1

sensory adn motor

Question 2

which of the following are derived from neural crest cells

Answer 2

dorsal root ganglia, adrenal medulla, melanocytes, enteric nervous system

Question 3

Parasympathetic preganglionic neuron cell bodies are located in which regions?

Answer 3

brainstem and sacral region of the spinal cord

Question 4

neural crest cells are derived from which region of germ layer

Answer 4

ectoderm

Question 5

Which of the following arteries supplies the medial surface of the frontal and parietal lobes of the cerebrum?

Answer 5

anterior cerebral

Question 6

The rate of folding of the cerebral cortex is accelerated in which trimester?

Answer 6

third

Question 7

Which region of the developing spinal cord contains the cell bodies of sensory neurons?

Answer 7

alar plate

Question 8

Which cranial nerve carries parasympathetic neurons to the pancreas?

Answer 8

vagus

Question 9

Which meningeal layer is not derived from neural crest cells?

Answer 9

dura mater

Question 10

The axons of sensory neurons are found in which roots of the spinal cord?

Answer 10

dorsal (posterior)

Question 11

Neurulation, which is the formation of the neural tube, is completed by the end of the ________ week.

Answer 11

4th

Question 12

The axons of preganglionic sympathetic neurons enter the sympathetic trunk through which of the following structures?

Answer 12

white rami communicates

Question 13

The middle cerebral artery is a branch of which of the following arteries?

Answer 13

internal carotid

Question 14

The inferior sagittal sinus will drain into which of the following sinuses?

Answer 14

straight sinus

Question 15

What nerve are you testing when you ask someone to wrinkle their forehead?

Answer 15

facial

Question 16

Adrenal medulla cells are innervated by which of the following types of neurons?

Answer 16

preganglionic sympathetic

Question 17

The end of the spinal cord would be at which vertebral level in an adult?

Answer 17

l1-l2

Question 18

Which cranial nerve receives visceral sensory information from the aortic arch stretch receptors and aortic body?

Answer 18

vagus

Question 19

Which nerves travel through the cavernous sinus?

Answer 19

abducent nerve and sympathetic nerves

Question 20

Sympathetic postganglionic axons traveling to the head will follow which pathway?

Answer 20

Carotid plexus on the carotid arteries and vertebral nerves on the vertebral arteries

Question 21

The pons is derived from which of the following secondary brain vesicles?

Answer 21

metencephalon

Question 22

The internal vertebral plexus of veins is located in the _____ space.

Answer 22

epidural

Question 23

Which cranial nerves innervate muscles that move the eye?

Answer 23

Abducens, Oculomotor and Trochlear

Question 24

The lateral ventricles are within which part of the brain?

Answer 24

cerebral hemispheres

Question 25

Which cranial nerve receives information about the special sense of smell?

Answer 25

olfactory n

Question 26

The denticulate ligaments are extensions of which meningeal layer?

Answer 26

pia mater

Question 27

Which part of the cerebellum is involved in maintaining balance?

Answer 27

vestibulocerebellum

Question 28

Which of the following glial cells are involved in the production of cerebrospinal fluid?

Answer 28

ependymal cells

Question 29

In the thoracic region, which arteries send spinal branches to the spinal cord?

Answer 29

Posterior intercostal

Question 30

The cerebral commissures begin to develop in which week?

Answer 30

7TH

Question 31

Sensory information from the tentorium cerebelli will be carried in which of the following nerves?

Answer 31

Ophthalmic nerve (V1)

Question 32

Second-order sensory axons will synapse on which of the following neurons

Answer 32

3RD

Question 33

Closure of the neural tube begins at the ____ of the neural tube.

Answer 33

MIDDLE

Question 34

The anterior spinal artery is a branch of the _____ artery.

Answer 34

VERTEBREAL

Question 35

The anterior communicating artery connects which two arteries?

Answer 35

Left and right anterior cerebral arteries

Question 36

The cell bodies of autonomic preganglionic neurons are found in which horn of the gray matter of the spinal cord?

Answer 36

LATERAL

Question 37

The superior and inferior ophthalmic veins drain into which sinus?

Answer 37

CAVERNOUS

Question 38

The cerebral aqueduct travels through which part of the brain?

Answer 38

MIDBRAIN

Question 39

The midbrain develops from which of the following primary brain vesicles?

Answer 39

Mesencephalon

Question 40

Which region of the developing spinal cord contains the commissural tracts?

Answer 40

roof and floor

Question 41

Which of the following is the correct order of the cranial meninges from external to internal?

Answer 41

periosteal dura mater, meningeal dura mater, arachnoid mater, pia mater

Question 42

Which space is between the dura mater and arachnoid mater?

Answer 42

subdural

Question 43

Which layer contains the axons of neurons?

Answer 43

marginal

Question 44

The neural tube is originally composed of which type of tissue?

Answer 44

Pseudostratified neuroepithelium

Question 45

In the abdominal region, which veins receive blood from the intervertebral veins draining blood from the spinal cord?

Answer 45

lumbar

Question 46

Which of the following folds separates the cerebrum from the cerebellum?

Answer 46

tentorium cerebelli

Question 47

Which cranial nerve receives visceral sensory information from the stomach?

Answer 47

vagus

Question 48

Which cranial nerve receives somatic sensory information from the forehead?

Answer 48

trigeminal n

Question 49

The cell bodies of second order sensory neurons are found in which horn of the gray matter of the spinal cord?

Answer 49

dorsal (posterior)

Question 50

Upper somatic motor neuron cell bodies are found in which of the following regions?

Answer 50

cerebral cortex

Question 51

The sphincter pupillae muscle within the iris of the eye is innervated by which nerve?

Answer 51

oculomotor

Question 52

Which of the following layers is internal to the subarachnoid space?

Answer 52

pia mater

Question 53

Which cranial nerve carries parasympathetic neurons that will supply the parotid gland?

Answer 53

glossopharyngeal

Question 54

Which is the correct order for the pathway of sympathetic innervation to the skin of the back?

Answer 54

Lateral horn of the spinal cord, ventral root, spinal nerve, anterior rami, white rami communicantes, sympathetic trunk, gray rami communicantes, posterior rami

Question 55

The sympathetic supply to the lungs is derived from which region of the sympathetic trunk?

Answer 55

thoracic