Chp13

Question 1

13. Aside from the nervous system, which other organ system develops out of the ectoderm?
    a. digestive
    b. respiratory
    c. integumentary
    d. urinary

Answer 1

C

Question 2

14. Which primary vesicle of the embryonic nervous system does not differentiate into more vesicles at the secondary stage?
    a. prosencephalon
    b. mesencephalon
    c. diencephalon
    d. rhombencephalon

Question 3

15. Which adult structure(s) arises from the diencephalon?
    a. thalamus, hypothalamus, retina
    b. midbrain, pons, medulla
    c. pons and cerebellum
    d. cerebrum

Answer 3

A

Question 4

16. Which non-nervous tissue develops from the neuroectoderm?
    a. respiratory mucosa
    b. vertebral bone
    c. digestive lining
    d. craniofacial bone

Question 5

17. Which structure is associated with the embryologic development of the peripheral nervous system?
    a. neural crest
    b. neuraxis
    c. rhombencephalon
    d. neural tube

Question 6

18. Which lobe of the cerebral cortex is responsible for generating motor commands?
    a. temporal
    b. parietal
    c. occipital
    d. frontal

Answer 6

D

Question 7

19. What region of the diencephalon coordinates homeostasis?
    a. thalamus
    b. epithalamus
    c. hypothalamus
    d. subthalamus

Question 8

20. What level of the brain stem is the major input to the cerebellum?
    a. midbrain
    b. pons
    c. medulla
    d. spinal cord

Answer 8

D

Question 9

21. What region of the spinal cord contains motor neurons that direct the movement of skeletal muscles?
    a. anterior horn
    b. posterior horn
    c. lateral horn
    d. alar plate

Answer 9

A

Question 10

22. Brodmann’s areas map different regions of the ________ to particular functions.
    a. cerebellum
    b. cerebral cortex
    c. basal forebrain
    d. corpus callosum

Question 11

23. What blood vessel enters the cranium to supply the brain with fresh, oxygenated blood?
    a. common carotid artery
    b. jugular vein
    c. internal carotid artery
    d. aorta

Question 12

24. Which layer of the meninges surrounds and supports the sinuses that form the route through which blood drains from the CNS?
    a. dura mater
    b. arachnoid mater
    c. subarachnoid
    d. pia mater

Answer 12

A (The dura mater contains the dural venous sinuses, which facilitate the drainage of blood from the brain.)

Question 13

25. What type of glial cell is responsible for filtering blood to produce CSF at the choroid plexus?
    a. ependymal cell
    b. astrocyte
    c. oligodendrocyte
    d. Schwann cell

Answer 13

A

Question 14

26. Which portion of the ventricular system is found within the diencephalon?
    a. lateral ventricles
    b. third ventricle
    c. cerebral aqueduct
    d. fourth ventricle

Question 15

27. What condition causes a stroke?
    a. inflammation of meninges
    b. lumbar puncture
    c. infection of cerebral spinal fluid
    d. disruption of blood to the brain

Answer 15

A: meningitis (lead to symptoms such as headache, fever, and neck stiffness)

B: Lumbar Puncture (To collect CSF in the clinical condition, but not directly referring to stroke)

C: harms brain health but not related to stroke

D: Because blood to brain is disrupted

Question 16

28. What type of ganglion contains neurons that control homeostatic mechanisms of the body?
    a. sensory ganglion
    b. dorsal root ganglion
    c. autonomic ganglion
    d. cranial nerve ganglion

Answer 16

C

Question 17

29. Which ganglion is responsible for cutaneous sensations of the face?
    a. otic ganglion
    b. vestibular ganglion
    c. geniculate ganglion
    d. trigeminal ganglion

Question 18

30. What is the name for a bundle of axons within a nerve?
    a. fascicle
    b. tract
    c. nerve root
    d. epineurium

Answer 18

A

Question 19

31. Which cranial nerve does not control functions in the head and neck?
    a. olfactory
    b. trochlear
    c. glossopharyngeal
    d. vagus

Answer 19

A: Olfactory (Cranial nerve I): sense of smell

B: Trochlear (Cranial nerve IV): control downward and lateral eye movement

C: Glossopharyngeal (Cranial nerve IX): taste sensation and swallowing

D: Vagus (Cranal nerve X): heart rate/ respiratory rate……

Question 20

32. Which of these structures is not under direct control of the peripheral nervous system?
    a. trigeminal ganglion
    b. gastric plexus
    c. sympathetic chain ganglia
    d. cervical plexus

Answer 20

A