Nervous system 3 Flashcards
The basal nuclei are located in which part of the brain?
a) Cerebellum
b) Medulla oblongata
c) Cerebral hemispheres
d) Spinal cord
Cerebral hemispheres
What is the function of basal nuclei in the body?
a) To stimulate muscle tone in the body
b) To select useless motor activity
c) To monitor and coordinate rapid contractions of posture and support
d) To inhibit muscle tone in the body and select useful motor activity
To inhibit muscle tone in the body and select useful motor activity
Which of the following statements about the basal nuclei is true?
a) They are responsible for processing sensory information
b) They work independently of the thalamus and cortex
c) They only have input and output connections within the basal nuclei
d) They send projections to higher cortical areas
They send projections to higher cortical areas
Which of the following is not a function of the basal nuclei?
a) Coordinating slow sustained contractions of posture and support
b) Working with thalamus and cortex
c) Controlling the sense of smell
d) Inhibiting muscle tone in the body and selecting useful motor activity
Controlling the sense of smell
What is the role of substantia nigra in basal ganglia?
a) It inhibits muscle tone in the body
b) It provides dopaminergic inputs to basal ganglia
c) It coordinates the slow sustained contractions of posture and support
d) It sends projections to higher cortical areas
It provides dopaminergic inputs to basal ganglia
Which neurotransmitter is used by substantia nigra in the basal ganglia?
a) Serotonin
b) Dopamine
c) Acetylcholine
d) Norepinephrine
Dopamine
What happens in Parkinson’s disease?
a) Loss of dopaminergic neurons in substantia nigra
b) Overactivation of dopaminergic neurons in striatum
c) Increase in muscle tone in the body
d) Destruction of the thalamus
Loss of dopaminergic neurons in substantia nigra
Which brain structures make up the limbic system?
a. Thalamus and hypothalamus
b. Frontal lobe and amygdala
c. Hippocampus and basal nuclei
d. Frontal lobe, thalamus, hippocampus, amygdala, hypothalamus, and olfactory bulb
Frontal lobe, thalamus, hippocampus, amygdala, hypothalamus, and olfactory bulb
What is the role of the pre-frontal cortex in the limbic system?
a. It regulates the activity of other regions of the limbic system
b. It is responsible for learning and memory
c. It controls emotions and motivation
d. It is the emotional center
It regulates the activity of other regions of the limbic system
Which brain structure is responsible for short-term and long-term memory, as well as the consolidation of short-term to long-term memory?
a. Hippocampus
b. Amygdala
c. Frontal lobe
d. Thalamus
Hippocampus
What is the function of the amygdala in the limbic system?
a. Regulating the activity of other regions of the limbic system
b. Consolidation of short-term to long-term memory
c. Controlling emotions and motivation
d. Serving as the emotional center
Serving as the emotional center
What are the basic emotions controlled by the limbic system?
a. Happiness, sadness, surprise, and fear
b. Anger, aggression, sexual feelings, fear, pleasure, and contentment
c. Hunger, thirst, sleep, and curiosity
d. Speech, hearing, vision, and touch
Anger, aggression, sexual feelings, fear, pleasure, and contentment
What is the role of the limbic system in motivation?
a. It regulates the activity of other regions of the limbic system
b. It is responsible for learning and memory
c. It controls emotions and motivation
d. It sends internal signals that shape behavior to achieve a goal
It sends internal signals that shape behavior to achieve a goal
Which lobe of the cerebral cortex is responsible for processing auditory information?
a) Occipital lobe
b) Temporal lobe
c) Parietal lobe
d) Frontal lobe
Temporal lobe
Which lobe of the cerebral cortex is responsible for processing somesthetic sensation?
a) Occipital lobe
b) Temporal lobe
c) Parietal lobe
d) Frontal lobe
Parietal lobe
Which type of sensory information is NOT processed by the parietal lobe?
a) Touch
b) Pressure
c) Heat
d) Smell
Smell
Where is the primary motor cortex located?
a) Behind the central sulcus
b) In the temporal lobe
c) In the occipital lobe
d) In the parietal lobe
Behind central sulcus.
