A&P Chapter 20: Central Nervous System Flashcards Preview

xxx Term 2: BIO 202.2 Human A&P II > A&P Chapter 20: Central Nervous System > Flashcards

Flashcards in A&P Chapter 20: Central Nervous System Deck (56)
Loading flashcards...
1
Q
  1. From superficial to deep, which is the correct order of location of the meninges?
    a. dura mater, arachnoid membrane, pia mater
    b. pia mater, arachnoid membrane, dura mater
    c. arachnoid membrane, pia mater, dura mater
    d. dura mater, pia mater, arachnoid membrane
A
  1. a. dura mater, arachnoid membrane, pia mater
    p. 437

Chapter 20: Central Nervous

2
Q
  1. The falx cerebri separates the:
    a. two hemispheres of the cerebellum.
    b. cerebellum from the cerebrum.
    c. two hemispheres of the cerebrum.
    d. dura mater from the arachnoid.
A
  1. c. two hemispheres of the cerebrum.
    p. 437

Chapter 20: Central Nervous

3
Q
  1. The cerebrospinal fluid resides in the:
    a. epidural space.
    b. subarachnoid space.
    c. subdural space.
    d. piarachnoid space.
A
  1. b. subarachnoid space.
    p. 439

Chapter 20: Central Nervous

4
Q
  1. The layer of the meninges that serves as the inner periosteum of the cranial bones is the:
    a. pia mater.
    b. arachnoid membrane.
    c. dura mater.
A
  1. c. dura mater.
    p. 437

Chapter 20: Central Nervous

5
Q
  1. Formation of the cerebrospinal fluid (CSF) occurs mainly in the:
    a. cerebral aqueduct.
    b. superior sagittal sinus.
    c. choroid plexuses.
    d. median foramen.
A
  1. c. choroid plexuses.
    p. 439

Chapter 20: Central Nervous

6
Q
  1. The lateral ventricles are located within the:
    a. cerebrum.
    b. cerebellum.
    c. spinal cord.
    d. none of the above.
A
  1. a. cerebrum.
    p. 439

Chapter 20: Central Nervous

7
Q
  1. CSF is absorbed into the venous blood via the:
    a. cisterna magna.
    b. choroid plexus.
    c. falx cerebri.
    d. arachnoid villus.
A
  1. d. arachnoid villus.
    p. 440

Chapter 20: Central Nervous

8
Q
  1. CSF is not found in the:
    a. central canal.
    b. subarachnoid space.
    c. third ventricle.
    d. subdural space.
A
  1. d. subdural space.
    p. 439

Chapter 20: Central Nervous

9
Q
  1. ______ The four large, fluid-filled spaces within the brain are called ventricles.

True or False

A
  1. True
    p. 439

Chapter 20: Central Nervous

10
Q
  1. ______ Interference of CSF circulation, causing the fluid to accumulate in the subarachnoid space, is referred to as external hydrocephalus.

True or False

A
  1. False
    p. 440

Chapter 20: Central Nervous

11
Q
  1. ______ transmits impulses of crude touch and pressure
    a. lateral spinothalamic tract
    b. anterior spinothalamic tract
    c. fasciculi gracilis and cuneatus
    d. spinocerebellar tract
A
  1. b. anterior spinothalamic tract
    p. 444

Chapter 20: Central Nervous

12
Q
  1. ______ transmits impulses of subconscious kinesthesia
    a. lateral spinothalamic tract
    b. anterior spinothalamic tract
    c. fasciculi gracilis and cuneatus
    d. spinocerebellar tract
A
  1. d. spinocerebellar tract
    p. 444

Chapter 20: Central Nervous

13
Q
  1. ______ transmits impulses of crude touch, pain, and temperature
    a. lateral spinothalamic tract
    b. anterior spinothalamic tract
    c. fasciculi gracilis and cuneatus
    d. spinocerebellar tract
A
  1. a. lateral spinothalamic tract
    p. 444

Chapter 20: Central Nervous

14
Q
  1. ______ transmits impulses of discriminating touch and kinesthesia
    a. lateral spinothalamic tract
    b. anterior spinothalamic tract
    c. fasciculi gracilis and cuneatus
    d. spinocerebellar tract
A
  1. c. fasciculi gracilis and cuneatus
    p. 444

Chapter 20: Central Nervous

15
Q
  1. ______ transmits impulses that control voluntary movement of muscles on the same side of the body
    a. lateral corticospinal tract
    b. anterior corticospinal tract
    c. reticulospinal tract
    d. tectospinal tract
    e. rubrospinal tract
A
  1. b. anterior corticospinal tract
    p. 444

Chapter 20: Central Nervous

16
Q
  1. ______ facilitates head and neck movement related to visual reflexes
    a. lateral corticospinal tract
    b. anterior corticospinal tract
    c. reticulospinal tract
    d. tectospinal tract
    e. rubrospinal tract
A
  1. d. tectospinal tract
    p. 444

Chapter 20: Central Nervous

17
Q
  1. ______ helps maintain posture during skeletal muscle movements
    a. lateral corticospinal tract
    b. anterior corticospinal tract
    c. reticulospinal tract
    d. tectospinal tract
    e. rubrospinal tract
A
  1. c. reticulospinal tract
    p. 444

Chapter 20: Central Nervous

18
Q
  1. ______ transmits impulses that control voluntary movement of muscles on the opposite side of the body
    a. lateral corticospinal tract
    b. anterior corticospinal tract
    c. reticulospinal tract
    d. tectospinal tract
    e. rubrospinal tract
A
  1. a. lateral corticospinal tract
    p. 444

Chapter 20: Central Nervous

19
Q
  1. ______ transmits impulses that coordinate body movements and maintenance of posture
    a. lateral corticospinal tract
    b. anterior corticospinal tract
    c. reticulospinal tract
    d. tectospinal tract
    e. rubrospinal tract
A
  1. e. rubrospinal tract
    p. 444

Chapter 20: Central Nervous

20
Q
  1. Which of the following is not a part of the brain stem?
    a. medulla oblongata
    b. hypothalamus
    c. pons
    d. midbrain
A
  1. b. hypothalamus
    p. 445

Chapter 20: Central Nervous

21
Q
  1. Which of the following is not a component of the midbrain?
    a. cerebral peduncles
    b. corpora quadrigemina
    c. superior colliculi
    d. all of the above are parts of the midbrain
A
  1. d. all of the above are parts of the midbrain
    p. 447

Chapter 20: Central Nervous

22
Q
  1. The internal white matter of the cerebellum is the:
    a. arbor vitae.
    b. vermis.
    c. peduncle.
    d. none of the above.
A
  1. a. arbor vitae.
    p. 449

Chapter 20: Central Nervous

23
Q
  1. The part of the brain that secretes releasing hormones is the:
    a. thalamus.
    b. hypothalamus.
    c. medulla.
    d. pons.
A
  1. b. hypothalamus.
    p. 453

Chapter 20: Central Nervous

24
Q
  1. Regulation of the body’s biological clock and production of melatonin is performed by the:
    a. pons.
    b. thalamus.
    c. cerebellum.
    d. pineal body.
A
  1. d. pineal body.
    p. 454

Chapter 20: Central Nervous

25
Q
  1. The central sulcus divides the:
    a. temporal lobe and parietal lobe.
    b. cerebrum into two hemispheres.
    c. frontal lobe and parietal lobe.
    d. occipital lobe and parietal lobe.
A
  1. c. frontal lobe and parietal lobe.
    p. 454

Chapter 20: Central Nervous

26
Q
  1. The part of the cerebrum integral to consciousness is:
    a. Broca’s area.
    b. the reticular activating system.
    c. the limbic system.
    d. the insula.
A
  1. b. the reticular activating system.
    p. 460

Chapter 20: Central Nervous

27
Q
  1. Commissural tracts compose the:
    a. corpus callosum.
    b. mammillary body.
    c. hippocampus.
    d. central sulcus.
A
  1. a. corpus callosum
    p. 456

Chapter 20: Central Nervous

28
Q
  1. Emotions involve the functioning of the cerebrum’s:
    a. Broca’s area.
    b. limbic system.
    c. reticular activating system.
    d. caudate nucleus.
A
  1. b. limbic system.
    p. 461

Chapter 20: Central Nervous

29
Q
  1. The type of brain wave associated with deep sleep is:
    a. delta.
    b. beta.
    c. alpha.
    d. theta.
A
  1. a. delta.
    p. 459

Chapter 20: Central Nervous

30
Q
  1. ______ The cerebellum is the second largest portion of the brain.

True or False

A
  1. True
    p. 449

Chapter 20: Central Nervous

31
Q
  1. ______ Functions of the cerebellum include language, memory, and emotions.

True or False

A
  1. False
    p. 460

Chapter 20: Central Nervous

32
Q
  1. ______ The vomiting reflex is mediated by the cerebellum.

True or False

A
  1. False
    p. 449

Chapter 20: Central Nervous

33
Q
  1. ______ The shallow grooves of the cerebrum are called sulci.

True or False

A
  1. True
    p. 454

Chapter 20: Central Nervous

34
Q
  1. ______ The islands of gray matter inside the hemispheres of the cerebrum are called the basal ganglia.

True or False

A
  1. True
    p. 456

Chapter 20: Central Nervous

35
Q
  1. Which of the following is not a pathway that produces sensations of touch and pressure?
    a. medial lemniscal system
    b. spinothalamic pathway
    c. rubrospinal tract
    d. all of the above are pathways that produce sensations of touch and pressure.
A
  1. c. rubrospinal tract
    p. 465

Chapter 20: Central Nervous

36
Q
  1. Axons from the anterior gray horn of the spinal cord terminate in the:
    a. cerebral cortex.
    b. sensory receptors.
    c. skeletal muscle.
    d. none of the above.
A
  1. c. skeletal muscle.
    p. 466

Chapter 20: Central Nervous

37
Q
  1. Absence of reflexes is indicative of injury to:
    a. lower motor neurons.
    b. upper motor neurons.
    c. lower sensory neurons.
    d. upper sensory neurons.
A
  1. a. lower motor neurons.
    p. 468

Chapter 20: Central Nervous

38
Q
  1. ______ Poliomyelitis results in flaccid paralysis via destruction of anterior horn neurons.

True or False

A
  1. True
    p. 466

Chapter 20: Central Nervous

39
Q
  1. ______ Extrapyramidal tracts are very simple pyramidal tracts.

True or False

A
  1. False
    p. 467

Chapter 20: Central Nervous

40
Q
  1. ______ an inherited form of dementia in which the symptoms first appear between 30 and 40 years of age
    a. Alzheimer disease
    b. cerebrovascular accident
    c. epilepsy
    d. Huntington disease
A
  1. d. Huntington disease
    p. 470

Chapter 20: Central Nervous

41
Q
  1. ______ a hemorrhage from or cessation of blood flow to the cerebral vessels, which destroys neurons
    a. Alzheimer disease
    b. cerebrovascular accident
    c. epilepsy
    d. Huntington disease
A
  1. b. cerebrovascular accident
    p. 469

Chapter 20: Central Nervous

42
Q
  1. ______ a degenerative disease that affects memory, generally developing during the middle to late adult years and causing characteristic lesions in the cortex
    a. Alzheimer disease
    b. cerebrovascular accident
    c. epilepsy
    d. Huntington disease
A
  1. a. Alzheimer disease
    p. 469

Chapter 20: Central Nervous

43
Q
  1. _______ recurring or chronic seizure episodes involving sudden bursts of abnormal neuron activity
    a. Alzheimer disease
    b. cerebrovascular accident
    c. epilepsy
    d. Huntington disease
A
  1. c. epilepsy
    p. 470

Chapter 20: Central Nervous

44
Q

Applying What You Know!

  1. Baby Dania was born with an excessive accumulation of CSF in the ventricles. A catheter was placed in the ventricle and the fluid was drained by means of a shunt into the circulating bloodstream.

Question a. What condition does this medical history describe?

A
  1. (a) Hydrocephalus

Chapter 20: Central Nervous

45
Q

Applying What You Know!

  1. Julius is exhibiting loss of memory, increasingly limited attention span, deteriorating motor control, and changes in his personality.

Question a. What is the general term that can be used to describe his condition?

Question b. What specific condition may he be suffering from?

A
  1. (a) dementia
    (b) Alzheimer disease

Chapter 20: Central Nervous

46
Q
  1. The portion of the brain stem that joins the spinal cord to the brain is the:
    a. pons.
    b. cerebellum.
    c. diencephalon.
    d. hypothalamus.
    e. medulla.
A
  1. e. medulla.
    p. 446

Chapter 20: Central Nervous

47
Q
  1. Which one of the following is not a function of the brain stem?
    a. conducts sensory impulses from the spinal cord to the higher centers of the brain
    b. conducts motor impulses from the cerebrum to the spinal cord
    c. controls heartbeat, respiration, and blood vessel diameter
    d. contains centers for speech and memory
A
  1. d. contains centers for speech and memory
    p. 447

Chapter 20: Central Nervous

48
Q
  1. Which one of the following is not part of the diencephalon?
    a. cerebrum
    b. thalamus
    c. hypothalamus
    d. pineal gland
A
  1. a. cerebrum
    p. 452

Chapter 20: Central Nervous

49
Q
  1. Which one of the following parts of the brain helps in the association of sensations with emotions, as well as aiding in the arousal or alerting mechanism?
    a. pons
    b. hypothalamus
    c. cerebellum
    d. thalamus
    e. none of the above is correct
A
  1. d. thalamus
    p. 453

Chapter 20: Central Nervous

50
Q
  1. Which one of the following is not a function of the cerebrum?
    a. language
    b. consciousness
    c. memory
    d. conscious awareness of sensations
    e. all of the above are functions of the cerebrum
A
  1. e. all of the above are functions of the cerebrum
    p. 460

Chapter 20: Central Nervous

51
Q
  1. The area of the cerebrum responsible for the perception of sound lies in the ________ lobe.
    a. frontal
    b. temporal
    c. occipital
    d. parietal
A
  1. b. temporal
    p. 457

Chapter 20: Central Nervous

52
Q
  1. Visual perception is located in the ________ lobe.
    a. frontal
    b. temporal
    c. occipital
    d. parietal
A
  1. c. occipital
    p. 457

Chapter 20: Central Nervous

53
Q
  1. Which one of the following is not a function of the cerebellum?
    a. maintains equilibrium
    b. helps produce smooth, coordinated movements
    c. helps maintain normal posture
    d. associates sensations with emotions
A
  1. d. associates sensations with emotions
    p. 451

Chapter 20: Central Nervous

54
Q
  1. The largest section of the brain is the:
    a. cerebellum.
    b. pons.
    c. cerebrum.
    d. midbrain.
A
  1. c. cerebrum.
    p. 454

Chapter 20: Central Nervous

55
Q
  1. Which statement is false?
    a. The spinal cord performs two general functions.
    b. A lumbar puncture is performed to withdraw CSF.
    c. The cardiac, vasomotor, and respiratory control centers are called the vital centers.
    d. The meninges end at L1 in a tapered cone called the cauda equina.
A
  1. d. The meninges end at L1 in a tapered cone called the cauda equina.
    p. 443

Chapter 20: Central Nervous

56
Q
  1. Which of the following is not a function of the hypothalamus?
    a. major relay station between the cerebral cortex and lower autonomic centers
    b. serves as a higher autonomic center
    c. plays an essential role in maintaining the waking state
    d. regulates voluntary motor functions
    e. part of the mechanism for regulating appetite
A
  1. d. regulates voluntary motor functions
    p. 453

Chapter 20: Central Nervous