DFO SET RUA

Question 1

Nerves that contain mostly afferent fibres are called:

a. Sensory nerves
b. Motor nerves
c. Mixed nerves
d. Schwann nerves

Answer 1

Sensory nerves

Question 2

The afferent nervous system consists of all outgoing motor pathways.

Answer 2

False

Question 3

Oligodendrocytes form myelin sheaths around nerve fibres in the CNS

Answer 3

True

Question 4

Which of the following is NOT found within the receptive region of the neuron?

a. neurotransmitter vesicles
b. dendrites
c. sensory receptors
d. cell body
e. post-synaptic membrane

Answer 4

Cell body

Question 5

The incidence of depression is twice as high in men as it is in women.

Answer 5

False

Question 6

Euthymia is a less severe form of clinical depression.

Answer 6

False

Question 7

People with depression can exhibit psychotic features.

Answer 7

True

Question 8

A person with Bipolar Disorder experiences periods of normal mood.

Answer 8

True

Question 9

A mood that is dulled in response is referred to as a labile affect.

Answer 9

True

Question 10

Anhedonia is the increased pleasure of life during a manic phase.

Answer 10

False

Question 11

Hallucinations are perceptual disturbances.

Answer 11

True

Question 12

Which of the following is a ‘negative’ symptom of Schizophrenia?

a. Delusions
b. Ideas of reference
c. Loss of volition
d. Disorganised behaviour

Answer 12

Loss of volition

Question 13

A delusion is a positive symptom of schizophrenia

Answer 13

True

Question 14

The false sensory experience involving taste refers to a/an:

a. Auditory hallucination
b. Olfactory delusion
c. Gustatory hallucination
d. Olfactory hallucination

Answer 14

Gustatory hallucination

Question 15

The prodromal phase of schizophrenia refers to which of the following:

a. The phase when hallucinations and delusions are most evident.
b. The first phase of very subtle symptoms, which can last from weeks to years.
c. The phase following an acute episode where the symptoms of psychosis begin to subside in response to medication.
d. It is the warning signs that occur before a hallucination.
e. The phase when all the symptoms have subsided.

Answer 15

The first phase of very subtle symptoms, which can last from weeks to years.

Question 16

Match the following definitions to the correct terminology: a) Repetition or imitation of what someone else says. - Echolalia

b) Client reports no joy or pleasure in life - Anhedonia
c) General slowing of movement - Psychomotor retardation
d) Client claims to be associated with famous people or believes s/he is famous - Delusions of grandeur
e) Client does not believe they have a mental illness when they do - Lack of insight
f) Disorders of perception - Hallucination
g) A fixed false belief which has no basis to reality - Delusion
h) Immediate and observable expression of mood - Affect

Answer 16

a) Echolalia
b) Anhedonia
c) Psychomotor retardation
d) Delusions of grandeur
e) Lack of insight
f) Hallucination
g) Delusion
h) Affect

Question 17

What provides a protective covering for the brain and spinal cord?

Answer 17

Meninges

Question 18

Fill in the blanks: ______stimulation will lead to ____ of the neuronal cell membrane, and if this reaches the threshold value an action potential will fire.

________ stimulation will lead to _____ of the neuronal cell membrane, and will not lead to the firing of an action potential.

• inhibitory
• depolarisation
• excitability
• hyperpolarization

Answer 18

a) excitability
b) depolarization

c) inhibitory
d) hyperpolarization

Question 19

The main function of axons is to:

a. manufacture cell proteins
b. conduct action potentials to other neurons
c. anchor the neuron in the surrounding brain tissue
d. receive action potentials from other neurons

Answer 19

Conduct action potentials to other neurons

Question 20

Schwann cells form myelin sheaths around nerve fibres in the CNS

Answer 20

False.