Question 1

Binding of neurotransmitter to receptors on the postsynaptic neuronal membrane results in

Accepted Answer

A)  a change in ion conductance through the membrane. 
B)  the opening of voltage-gated calcium channels. 
C)  an action potential. 
D)  hyperpolarization. 
A)  a change in ion conductance through the membrane. 
B)  the opening of voltage-gated calcium channels. 
C)  an action potential. 
D)  hyperpolarization.

Question 2

Voluntary fine-motor movements are produced by activation of the _____ tract(s).

Accepted Answer

A)  dorsal horn-lemniscal 
B)  lateral corticospinal 
C)  spinothalamic 
D)  medial brainstem 
A)  dorsal horn-lemniscal 
B)  lateral corticospinal 
C)  spinothalamic 
D)  medial brainstem

Question 3

It is true that a N-methyl-D-aspartate (NMDA)receptor

Accepted Answer

A)  is activated by glutamate. 
B)  is a ligand-gated calcium ion channels. 
C)  opens only when the membrane has been previously depolarized. 
D)  blockade is associated with enhanced short-term memory. 
E)  is blocked by a sodium ion. 
A)  is activated by glutamate. 
B)  is a ligand-gated calcium ion channels. 
C)  opens only when the membrane has been previously depolarized. 
D)  blockade is associated with enhanced short-term memory. 
E)  is blocked by a sodium ion.

Question 4

Acetylcholine is released into the synapse by

Accepted Answer

A)  passive reuptake of acetylcholine into the presynaptic neuron. 
B)  active reuptake of acetylcholine into the presynaptic neuron. 
C)  passive diffusion into the postsynaptic membrane. 
D)  degradation by acetylcholinesterase. 
A)  passive reuptake of acetylcholine into the presynaptic neuron. 
B)  active reuptake of acetylcholine into the presynaptic neuron. 
C)  passive diffusion into the postsynaptic membrane. 
D)  degradation by acetylcholinesterase.

Question 5

Which are functions of neuroglia?

Accepted Answer

A)  Generation of action potential 
B)  Modulation of ionic composition of extracellular fluid in the brain 
C)  Production of CSF 
D)  Phagocytosis of wastes within the CNS 
E)  Slowing the rate of conduction to the nerve axons 
A)  Generation of action potential 
B)  Modulation of ionic composition of extracellular fluid in the brain 
C)  Production of CSF 
D)  Phagocytosis of wastes within the CNS 
E)  Slowing the rate of conduction to the nerve axons

Question 6

The pathologic process called hydrocephalus would be manifested by _____ ventricular size.

Accepted Answer

A)  decreased CSF, increased 
B)  increased CSF, increased 
C)  decreased CSF, decreased 
D)  increased CSF, decreased 
A)  decreased CSF, increased 
B)  increased CSF, increased 
C)  decreased CSF, decreased 
D)  increased CSF, decreased

Question 7

The language center in most individuals is located in the

Accepted Answer

A)  frontal lobe. 
B)  left hemisphere. 
C)  right hemisphere 
D)  limbic area. 
A)  frontal lobe. 
B)  left hemisphere. 
C)  right hemisphere 
D)  limbic area.

Question 8

Pupil constriction is controlled by cranial nerve

Accepted Answer

A)  II. 
B)  III. 
C)  VIII. 
D)  IX. 
A)  II. 
B)  III. 
C)  VIII. 
D)  IX.

Question 9

Axonal myelination generally increases the

Accepted Answer

A)  metabolic needs of the neuron. 
B)  flow of ions across the neuronal membrane. 
C)  sodium permeability. 
D)  speed of action potential conduction. 
A)  metabolic needs of the neuron. 
B)  flow of ions across the neuronal membrane. 
C)  sodium permeability. 
D)  speed of action potential conduction.

Exam 43: Structure and Function of the Nervous System

Binding of neurotransmitter to receptors on the postsynaptic neuronal membrane results in

Voluntary fine-motor movements are produced by activation of the _____ tract(s).

It is true that a N-methyl-D-aspartate (NMDA)receptor

Acetylcholine is released into the synapse by

Which are functions of neuroglia?

The pathologic process called hydrocephalus would be manifested by _____ ventricular size.

The language center in most individuals is located in the

Pupil constriction is controlled by cranial nerve

Axonal myelination generally increases the

Introduction to Pathophysiology

Homeostasis and Adaptive Responses to Stressors

Cell Structure and Function

Cell Injury, Aging, and Death

Genome Structure, Regulation, and Tissue Differentiation

Genetic and Developmental Disorders

Neoplasia

Infectious Processes

Inflammation and Immunity

Alterations in Immune Function

Malignant Disorders of White Blood Cells

HIV Disease and AIDS

Alterations in Oxygen Transport

Alterations in Hemostasis and Blood Coagulation

Alterations in Blood Flow

Alterations in Blood Pressure

Cardiac Function

Alterations in Cardiac Function

Heart Failure and Dysrhythmias: Common Sequelae of Cardiac Diseases

Shock

Respiratory Function and Alterations in Gas Exchange

Obstructive Pulmonary Disorders

Restrictive Pulmonary Disorders

Fluid and Electrolyte Homeostasis and Imbalances

Acid-Base Homeostasis and Imbalances

Renal Function

Intrarenal Disorders

Acute Kidney Injury and Chronic Kidney Disease

Disorders of the Lower Urinary Tract

Male Genital and Reproductive Function

Alterations in Male Genital and Reproductive Function

Female Genital and Reproductive Function

Alterations in Female Genital and Reproductive Function

Sexually Transmitted Infections

Gastrointestinal Function

Gastrointestinal Disorders

Alterations in Function of the Gallbladder and Exocrine Pancreas

Liver Diseases

Endocrine Physiology and Mechanisms of Hypothalamic-Pituitary Regulation

Disorders of Endocrine Function

Diabetes Mellitus

Alterations in Metabolism and Nutrition

Acute Disorders of Brain Function

Chronic Disorders of Neurologic Function

Alterations in Special Sensory Function

Pain

Neurobiology of Psychotic Illnesses

Neurobiology of Nonpsychotic Illnesses

Structure and Function of the Musculoskeletal System

Alterations in Musculoskeletal Function: Trauma, Infection, and Disease

Alterations in Musculoskeletal Function: Rheumatic Disorders

Alterations in the Integumentary System

Burn Injuries

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