Question 1

If the dorsal root of a spinal nerve is severed,

Accepted Answer

A) motor control of skeletal muscles would be impaired. 
B) motor control of visceral organs would be impaired. 
C) the spinal cord would not be able to process information at that level. 
D) the brain would not be able to communicate with that level of the spinal cord. 
E) incoming sensory information would be disrupted. 
A) motor control of skeletal muscles would be impaired. 
B) motor control of visceral organs would be impaired. 
C) the spinal cord would not be able to process information at that level. 
D) the brain would not be able to communicate with that level of the spinal cord. 
E) incoming sensory information would be disrupted.

Question 2

Which structures are related to Parkinson's disease?

Accepted Answer

A) the reticular formation and limbic system 
B) the basal nuclei and the midbrain 
C) the hypothalamus and thalamus 
D) the thalamus and pineal gland 
E) the hippocampus and amygdala 
A) the reticular formation and limbic system 
B) the basal nuclei and the midbrain 
C) the hypothalamus and thalamus 
D) the thalamus and pineal gland 
E) the hippocampus and amygdala

Question 3

During continuous conduction,

Accepted Answer

A) action potentials move in all directions along an axon. 
B) action potentials occur at successive nodes along the length of the stimulated axon. 
C) local currents depolarize adjacent areas of membrane so that action potentials continue along the membrane. 
D) the action potential starts at the beginning of the neuronal pathway and continues form neuron to neuron. 
E) local potentials produce a continuous outward flow of potassium ions. 
A) action potentials move in all directions along an axon. 
B) action potentials occur at successive nodes along the length of the stimulated axon. 
C) local currents depolarize adjacent areas of membrane so that action potentials continue along the membrane. 
D) the action potential starts at the beginning of the neuronal pathway and continues form neuron to neuron. 
E) local potentials produce a continuous outward flow of potassium ions.

Question 4

The premotor cortex of the cerebrum,involved in the planning and sequencing of muscle movements,is located in the

Accepted Answer

A) frontal lobe. 
B) postcentral gyrus. 
C) hippocampus. 
D) parietal lobe. 
E) thalamus. 
A) frontal lobe. 
B) postcentral gyrus. 
C) hippocampus. 
D) parietal lobe. 
E) thalamus.

Question 5

Diffusion across which structure(s)returns excess CSF to venous circulation?

Accepted Answer

A) third ventricle 
B) dural sinuses 
C) cerebral aqueduct 
D) arachnoid granulations 
E) lateral ventricle 
A) third ventricle 
B) dural sinuses 
C) cerebral aqueduct 
D) arachnoid granulations 
E) lateral ventricle

Question 6

Preganglionic fibers of parasympathetic neurons can be found in which cranial nerves?

Accepted Answer

A) III,VII,VIII,IX 
B) VII,VIII,IX,X 
C) IX,X,XI,XII 
D) X,XI,XII 
E) III,VII,IX,X 
A) III,VII,VIII,IX 
B) VII,VIII,IX,X 
C) IX,X,XI,XII 
D) X,XI,XII 
E) III,VII,IX,X

Question 7

Which of the following neurotransmitters usually depolarizes postsynaptic neurons?

Accepted Answer

A) serotonin 
B) dopamine 
C) GABA 
D) acetylcholine 
E) monoamine oxidase 
A) serotonin 
B) dopamine 
C) GABA 
D) acetylcholine 
E) monoamine oxidase

Question 8

In multiple sclerosis,there is progressive and intermittent damage to the myelin sheath of peripheral nerves.This results in poor motor control of the affected area.Why does destruction of the myelin sheath affect motor control?

Accepted Answer

Action potentials travel faster along fi

Question 9

Which structure secretes antidiuretic hormone and oxytocin?

Accepted Answer

A) epithalamus 
B) cerebellum 
C) pons 
D) hypothalamus 
E) medulla oblongata 
A) epithalamus 
B) cerebellum 
C) pons 
D) hypothalamus 
E) medulla oblongata

If the dorsal root of a spinal nerve is severed,

Which structures are related to Parkinson's disease?

During continuous conduction,

The premotor cortex of the cerebrum,involved in the planning and sequencing of muscle movements,is located in the

Diffusion across which structure(s)returns excess CSF to venous circulation?

Preganglionic fibers of parasympathetic neurons can be found in which cranial nerves?

Which of the following neurotransmitters usually depolarizes postsynaptic neurons?

In multiple sclerosis,there is progressive and intermittent damage to the myelin sheath of peripheral nerves.This results in poor motor control of the affected area.Why does destruction of the myelin sheath affect motor control?

Which structure secretes antidiuretic hormone and oxytocin?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

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Exam 8: The Nervous System

If the dorsal root of a spinal nerve is severed,

Which structures are related to Parkinson's disease?

During continuous conduction,

The premotor cortex of the cerebrum,involved in the planning and sequencing of muscle movements,is located in the

Diffusion across which structure(s)returns excess CSF to venous circulation?

Preganglionic fibers of parasympathetic neurons can be found in which cranial nerves?

Which of the following neurotransmitters usually depolarizes postsynaptic neurons?

In multiple sclerosis,there is progressive and intermittent damage to the myelin sheath of peripheral nerves.This results in poor motor control of the affected area.Why does destruction of the myelin sheath affect motor control?

Which structure secretes antidiuretic hormone and oxytocin?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters