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Flashcards in Exam 5 Deck (35)
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1
Q

Which of the following compounds/neurotransmitter pairs is incorrect?

A. Curare – Acetylcholine

B. Nicotine – Serotonin

C. Nicotine – Dopamine

D. All of the pairs are correct

A

B. Nicotine – Serotonin

2
Q

What is the primary ion that leads to the release of neurotransmitter during synpatic transmission?

A. Sodium

B. Potassium

C. Calcium

D. Chloride

A

C. Calcium

3
Q

Which layer of the meninges is the outermost layer?

A. Pia mater

B. Dura mater

C. Arachnoid mater

D. None of the above

A

B. Dura mater

4
Q

There are ___ spinal nerve pairs and they are classified as ___ nerves.

A. 31; sensory

B. 12 ; mixed

C. 31 ; mixed

D. 31 ; motor

A

C. 31 ; mixed

5
Q

Descending nereve tract transmit ____ impulses, while ascending nerve trascts transmit ____ impulses.

A. sesnory; motor

B. motor; sensory

C. sensory; inegrative

D. integrative; motor

A

B. motor; sensory

6
Q

Which of the following represents the term for several sub-threshold stimuli coming together to become a threhold stimulus?

A. Summation

B. All-or-None response

C. Nodes of Ranvier

D. Saltatory conduction

A

A. Summation

7
Q

Which of the following neuroglial cells is involved with phagocytosis?

A. Astrocyte

B. Microglia

C. Schwann cells

D. Ependymal cells

A

B. Microglia

8
Q

Conduction that occurs along myelinated nerve fibers is known as:

A. Nodes of Ranvier

B. Transmission

C. Saltatory Conduction

D. None of the above

A

B. Transmission

9
Q

Threshold potential for a neuron is ___ and the threshold stimulus is ___

A. -55mv; +15mV

B. -70mv , -55mV

C. -55 mV , -70mV

D. -70mV , + 15mV

A

A. -55mv; +15mV

10
Q

Which of the following is commonly referred to ask “efferent”?

A. Sensory neuron

B. Interneuron

C. Motor neuron

D. None of the above

A

C. Motor neuron

11
Q

Which group of cells is responsible for production of myelin in the Peripheral Nervous System?

A. Schwann cells

B. Oligodendrocytes

C. Satellite cells

D. Astrocytes

A

A. Schwann cells

12
Q

Which area of the brain is involved with regulation of respiration?

A. Medulla oblongata

B. Pons

C. Midbrain

D. Both a and B

A

D. Both a and B

13
Q

Which of the following membrane transport mechanism(s) is vital for establishing and maintaining proper concentration gradients in a resting cell?

A. Diffusion

B. Facilitatd disffusion

C. Active transport

D. Both A and C

A

C. Active transport

14
Q

Which area of the brain is involved with regulating muscle activity involved with balance and posture?

A. Brain stem

B. Cerebellum

C. Diencephalon

D. Cerebrum

A

B. Cerebellum

15
Q

Which of the following is not present in the withdraw reflex?

A. Motor neuon

B. Interneuron

C. Sensory neuron

D. All are present

A

D. All are present

16
Q

Which group of cells is reponsible for the production of myelin in the Central Nervous System?

A. Schwann cells

B. Oligodendrocytes

C. Satellite cells

D. Astrocytes

A

B. Oligodendrocytes

17
Q

Which lobe of the brain is involved with interpreting general sensory information, such as touch, pain and temperature?

A. Occipital lobe

B. Frontal lobe

C. Parietal lobe

D. Temportal lobe

A

C. Parietal lobe

18
Q

Which portion of the brain is involved with maintaining homeostasis through the control of the pituitary gland?

A. Midbrain

B. Medulla oblongata

C. Pons

D. Hypothalamus

A

D. Hypothalamus

19
Q

Which of the following does not describe sensory neuron?

A. Carry impulses toward the Central Nervous System

B. Referred to as “afferent” neurons

C. Connect the Central Nervous System to the effectors

D. All of the above are correct

A

C. Connect the Central Nervous System to the effectors

20
Q

Which of the following is a fate for neurotransmitter in the synapse?

A. Reabsorprtion for the pre-synatpic neuron

B. Degraded by the presence of an enzyme

C. Both A and B

D. None of the above

A

C. Both A and B

21
Q

Which portion of the neuron is referred to as the “trigger zone” and is the site of action potential generation?

A. Axon

B. Axonal hillock

C. Dendrite

D. Axonal terminal

A

B. Axonal hillock

22
Q

The neurotransmitters dopamine, epinephrine and norepinephrine are all derived from which of the following amino acids?

A. Hisadine

B. Tryptophan

C. Tyrosine

D. Alanine

A

C. Tyrosine

23
Q

Which portion of a neuron is the receptive portion?

A. Cell body

B. Dendrites

C. Axon

D. Axonal hillock

A

B. Dendrites

24
Q

Which of the following is the site of integration/interpretation?

A. Sensory neuron

B. Efferent neuron

C. Motor neuron

D. Interneuron

A

D. Interneuron

25
Q

Which of the following is not part of the Central Nervous System?

A. Brain

B. Spinal nerves

C. Spinal cord

D. Ganglia of the Autonomic Nervous System

E. Both B and D

A

E. Both B and D

26
Q

Which of the following separates the cerebrum from the cerebellum?

A. Transverse fissure

B. Longitudinal fissure

C. Central sulcus

D. Lateral sulcus

A

A. Transverse fissure

27
Q

Which of the following principle is demonstrated by both the muscular and nervous system?

A. Summation

B. All or Nothing response

C. Refractory period

D. All of the above are seen in both systems

A

D. All of the above are seen in both systems

28
Q

The ___ controls the muscle of speech, while ___ is involved with word selection and phrasing.

A. Wernicke’s area; Broca’s area

B. Broca’s area; amygdala

C. amygdala; Broca’s area

D. Broca’s area; Wernicke’s area

A

D. Broca’s area; Wernicke’s area

29
Q

What is the site of cerebrospinal fluid (CSF) production?

A. Lateral ventricles

B. Chroid plexus

C. Temporal lobe

D. Subarachnoid space

A

B. Chroid plexus

30
Q

Visual prceptions are generated at which of the following lobe?

A. Parietal lobe

B. Occipital lobe

C. Temporal lobe

D. Frontal lobe

A

B. Occipital lobe

31
Q

Which of the following would be an activity controlled by the front lobe?

A. Hearing and memory

B. Logic, reasoning, and consequences

C. General sensory data, such as temperature or touch

D. None of the above

A

B. Logic, reasoning, and consequences

32
Q

White matter represents ___ nerve fibers, while grey matter represents ___ nerve fibers.

A. unyelinated; myelinated

B. myelinated; unmyelinated

C. myelinated; myelinated

D. unmyelinated; unmyelinated

A

B. myelinated; unmyelinated

33
Q

Which of the following represents the term to become less neagtive?

A. Repolarize

B. Hypepolarize

C. Depolarize

D. Some other term that ends in polarize

A

C. Depolarize

34
Q

Which of the following represents a descending nerve tract that is involved with muscles of posture and balance?

A. Rubrospinal tracts

B. Spinothalamic tracts

C. Reticulospinal tracts

D. Spinocerebellar tracts

A

A. Rubrospinal tracts

35
Q

Which neuroglial cell is involved with metabolism (nutrition) and ion concentration maintenance?

A. Microglia

B. Ependymal cells

C. Astrocytes

D. Oligodendrocytes

A

C. Astrocytes