Question 1

In the pupillary light reflex, light is sensed by

Accepted Answer

A)  Rod cells 
B)  Cone cells 
C)  Bipolar cells 
D)  Intrinsically photosensitive retinal ganglion cells 
E)  Retinal pigmented epithelium 
A)  Rod cells 
B)  Cone cells 
C)  Bipolar cells 
D)  Intrinsically photosensitive retinal ganglion cells 
E)  Retinal pigmented epithelium D

Question 2

Bright light in the right eye

Accepted Answer

A)  Reflexly shrinks the pupil in the left eye 
B)  Shifts vision to the rods in the right eye 
C)  Reflexly shrinks the pupil in the right eye 
D)  Shifts vision to the cones in the left eye 
E)  Both A and C are correct 
A)  Reflexly shrinks the pupil in the left eye 
B)  Shifts vision to the rods in the right eye 
C)  Reflexly shrinks the pupil in the right eye 
D)  Shifts vision to the cones in the left eye 
E)  Both A and C are correct A

Question 3

Which of the following is NOT a prevertebral ganglion?

Accepted Answer

A)  Celiac ganglion 
B)  Superior mesenteric ganglion 
C)  Inferior mesenteric ganglion 
D)  Adrenal medulla 
E)  None of the above 
A)  Celiac ganglion 
B)  Superior mesenteric ganglion 
C)  Inferior mesenteric ganglion 
D)  Adrenal medulla 
E)  None of the above D

Question 4

The part of the nervous system that promotes restoration of metabolic reserves is the

Accepted Answer

A)  Enteric nervous system 
B)  Parasympathetic nervous system 
C)  Sympathetic nervous system 
D)  Brainstem 
E)  Medulla 
A)  Enteric nervous system 
B)  Parasympathetic nervous system 
C)  Sympathetic nervous system 
D)  Brainstem 
E)  Medulla

Question 5

Dilation of the pupil is mediated by

Accepted Answer

A)  Parasympathetic output from the Edinger-Westphal nucleus 
B)  Sympathetic output from the superior celiac ganglion 
C)  Sympathetic output from the vagus nerve 
D)  Parasympathetic output from the vagus nerve 
E)  Sympathetic output from the inferior mesenteric ganglion 
A)  Parasympathetic output from the Edinger-Westphal nucleus 
B)  Sympathetic output from the superior celiac ganglion 
C)  Sympathetic output from the vagus nerve 
D)  Parasympathetic output from the vagus nerve 
E)  Sympathetic output from the inferior mesenteric ganglion

Question 6

The part of the nervous system that prepares for emergency action is the

Accepted Answer

A)  Enteric nervous system 
B)  Parasympathetic nervous system 
C)  Sympathetic nervous system 
D)  Brainstem 
E)  Medull 
A)  Enteric nervous system 
B)  Parasympathetic nervous system 
C)  Sympathetic nervous system 
D)  Brainstem 
E)  Medull

Question 7

Pre-ganglionic sympathetic motor neurons are located mainly in the

Accepted Answer

A)  Medulla 
B)  Pons 
C)  Thoraco-lum bar spinal cord 
D)  Sacral spinal cord 
E)  A and C are correct 
A)  Medulla 
B)  Pons 
C)  Thoraco-lum bar spinal cord 
D)  Sacral spinal cord 
E)  A and C are correct

Question 8

W hich of the following is NOT true of the parasympathetic system?

Accepted Answer

A)  It has short preganglionic fibers and long post ganglionic fibers 
B)  It uses acetylcholine at both preganglionic and postganglionic synapses 
C)  The motor neurons originate in the cranial and sacral part of the central nervous system 
D)  The preganglionic receptors are nicotinic acetylcholine receptors 
E)  The postganglionic receptors are generally muscarinic acetylcholine receptors 
A)  It has short preganglionic fibers and long post ganglionic fibers 
B)  It uses acetylcholine at both preganglionic and postganglionic synapses 
C)  The motor neurons originate in the cranial and sacral part of the central nervous system 
D)  The preganglionic receptors are nicotinic acetylcholine receptors 
E)  The postganglionic receptors are generally muscarinic acetylcholine receptors

Question 9

Stretch of the urinary bladder

Accepted Answer

A)  Relaxes the internal urinary sphincter muscle through parasympathetic fibers from T10-L2 
B)  Relaxes the internal but constricts the external urinary sphincter 
C)  Relaxes the internal urinary sphincter muscle through parasympthetic fibers from S1-S3 
D)  Constricts the external urinary sphincter muscle by sympathetics from T10-L2 
E)  Constricts the detrusor muscle by sympathetics from T10-L2 
A)  Relaxes the internal urinary sphincter muscle through parasympathetic fibers from T10-L2 
B)  Relaxes the internal but constricts the external urinary sphincter 
C)  Relaxes the internal urinary sphincter muscle through parasympthetic fibers from S1-S3 
D)  Constricts the external urinary sphincter muscle by sympathetics from T10-L2 
E)  Constricts the detrusor muscle by sympathetics from T10-L2

Question 10

Constriction of the right pupil caused by light in the left eye is called the

Accepted Answer

A)  Pupillary light reflex 
B)  Consensual pupillary light reflex 
C)  Edinger-W estphal reflex 
D)  Accommodation reflex 
E)  Bright light reflex 
A)  Pupillary light reflex 
B)  Consensual pupillary light reflex 
C)  Edinger-W estphal reflex 
D)  Accommodation reflex 
E)  Bright light reflex

Question 11

Atropine blocks

Accepted Answer

A)  Pre-ganglionic parasympathetic neurotransmission 
B)  Pre-ganglionic sympathetic neurotransmission 
C)  Post-ganglionic parasympathetic neurotransmission 
D)  Post-ganglionic sympathetic neurotransmission 
E)  Post-gagnlionic sympathetic neurotransmission only to sweat glands 
A)  Pre-ganglionic parasympathetic neurotransmission 
B)  Pre-ganglionic sympathetic neurotransmission 
C)  Post-ganglionic parasympathetic neurotransmission 
D)  Post-ganglionic sympathetic neurotransmission 
E)  Post-gagnlionic sympathetic neurotransmission only to sweat glands

Question 12

Beta adrenergic receptors

Accepted Answer

A)  Increase IP3 in the target cells 
B)  Increase cGMP in the target cells 
C)  Decreases cGMP in the target cells 
D)  Increase cAM P in the target cells 
E)  Decrease cAMP in the target cells 
A)  Increase IP3 in the target cells 
B)  Increase cGMP in the target cells 
C)  Decreases cGMP in the target cells 
D)  Increase cAM P in the target cells 
E)  Decrease cAMP in the target cells

Question 13

Muscarinic receptors are blocked by

Accepted Answer

A)  Acetylcholine 
B)  Norepinephrine 
C)  Propanalol 
D)  Phenoxybenzamine 
E)  Atropine 
A)  Acetylcholine 
B)  Norepinephrine 
C)  Propanalol 
D)  Phenoxybenzamine 
E)  Atropine

Question 14

Contraction of the detrusor muscle is

Accepted Answer

A)  Promoted by stretch receptors in the wall and inhibited by volitional control 
B)  Promoted by stretch receptors in the wall and inhibited by sympathetics in the pelvic nerve 
C)  Activated by stretch and inhibited by sympathetics in the hypogastric nerve 
D)  Entirely volitional 
E)  Stimulated by both sympathetic and parasympathetic systems 
A)  Promoted by stretch receptors in the wall and inhibited by volitional control 
B)  Promoted by stretch receptors in the wall and inhibited by sympathetics in the pelvic nerve 
C)  Activated by stretch and inhibited by sympathetics in the hypogastric nerve 
D)  Entirely volitional 
E)  Stimulated by both sympathetic and parasympathetic systems

Question 15

Alpha adrenergic receptors

Accepted Answer

A)  Increase IP3 in the target cells 
B)  Increase cGMP in the target cells 
C)  Decreases cGMP in the target cells 
D)  Increase cAMP in the target cells 
E)  Decrease cAMP in the target cells 
A)  Increase IP3 in the target cells 
B)  Increase cGMP in the target cells 
C)  Decreases cGMP in the target cells 
D)  Increase cAMP in the target cells 
E)  Decrease cAMP in the target cells

Question 16

Beta receptors are blocked by

Accepted Answer

A)  Acetylcholine 
B)  Norepinephrine 
C)  Propanalol 
D)  Phenoxybenzamine 
E)  Atropine 
A)  Acetylcholine 
B)  Norepinephrine 
C)  Propanalol 
D)  Phenoxybenzamine 
E)  Atropine

Question 17

The neurotransm itter used by m ost postganglionic fibers is

Accepted Answer

A)  Aceytylcholine for sympathetic fibers, norepinephrine for parasympathetic fibers 
B)  Norepinephrine for sympathetic fibers, acetylcholine for parasympathetic fibers 
C)  Acetylcholine for both sympathetic and parasympathetic fibers 
D)  Norepinephrine for both sympathetic and parasympathetic fibers 
E)  Dopamine for sympathetic fibers and acetylcholine for parasympathetic fibers 
A)  Aceytylcholine for sympathetic fibers, norepinephrine for parasympathetic fibers 
B)  Norepinephrine for sympathetic fibers, acetylcholine for parasympathetic fibers 
C)  Acetylcholine for both sympathetic and parasympathetic fibers 
D)  Norepinephrine for both sympathetic and parasympathetic fibers 
E)  Dopamine for sympathetic fibers and acetylcholine for parasympathetic fibers

Question 18

The neurotransm itter used by preganglionic fibers is

Accepted Answer

A)  Aceytylcholine for sympathetic fibers, norepinephrine for parasympathetic fibers 
B)  Norepinephrine for sympathetic fibers, acetylcholine for parasympathetic fibers 
C)  Acetylcholine for both sympathetic and parasympathetic fibers 
D)  Norepinephrine for both sympathetic and parasympathetic fibers 
E)  Dopamine for sympathetic fibers and acetylcholine for parasympathetic fibers 
A)  Aceytylcholine for sympathetic fibers, norepinephrine for parasympathetic fibers 
B)  Norepinephrine for sympathetic fibers, acetylcholine for parasympathetic fibers 
C)  Acetylcholine for both sympathetic and parasympathetic fibers 
D)  Norepinephrine for both sympathetic and parasympathetic fibers 
E)  Dopamine for sympathetic fibers and acetylcholine for parasympathetic fibers

Exam 33: Autonomic Nervous System

In the pupillary light reflex, light is sensed by

Bright light in the right eye

Which of the following is NOT a prevertebral ganglion?

The part of the nervous system that promotes restoration of metabolic reserves is the

Dilation of the pupil is mediated by

The part of the nervous system that prepares for emergency action is the

Pre-ganglionic sympathetic motor neurons are located mainly in the

W hich of the following is NOT true of the parasympathetic system?

Stretch of the urinary bladder

Constriction of the right pupil caused by light in the left eye is called the

Atropine blocks

Beta adrenergic receptors

Muscarinic receptors are blocked by

Contraction of the detrusor muscle is

Alpha adrenergic receptors

Beta receptors are blocked by

The neurotransm itter used by m ost postganglionic fibers is

The neurotransm itter used by preganglionic fibers is

Physical Foundations Ii: Electrical Force Potential Capacitance and Current

Chemical Foundations I: Chemical Energy and Intermolecular Forces

Chemical Foundations Ii: Concentration and Kinetics

Diffusion

Electrochemical Potential and Free Energy

Cell Structure

Dna and Protein Synthesis

Protein Structure

Biological Membranes

Passive Transport and Facilitated Diffusion

Active Transport: Pumps and Exchangers

Osmosis and Osmotic Pressure

Cell Signaling

ATP Production I: Glycolysis

Atp Production Ii: Tca Cycle and Oxidative Phosphorylation

Atp Production Iii: Fatty Acid Oxidation and Amino Acid Oxidation

Origin of the Membrane Potential

The Action Potential

Propagation of the Action Potential

Skeletal Muscle Mechanics

Contractile Mechanisms in Skeletal Muscle

Neuromuscular Junction and Ec Coupling

Muscle Energetics Fatigue and Training

Smooth Muscle

Organization of the Nervous System

Cells Synapses and Neurotransmitters

Cutaneous Sensory Systems

Spinal Reflexes

Balance and Control of Movement

the Chemical Senses

Hearing

Vision

Overview of the Cv System and Blood

Plasma and Red Blood Cells

White Blood Cells and Inflammation

The Heart As a Pump

Cellular Basis of Cardiac Contractility

the Cardiac Function Curve

Vascular Function: Hemodynamics

Microcirculation and Solute Exchange

Regulation of Perfusion

Integration of Cardiac Output and Venous Return

Regulation of Arterial Pressure

Mechanics of Breathing

Lung Volumes and Airway Resistance

Gas Exchange in the Lung

Oxygen and Carbon Dioxide Transport

Acid Base Physiology I Bicarbonate Buffers and Respiratory Compensation

Control of Ventilation

Anatomy and Renal Overview

Glomerular Filtration

Tubular Reabsorption and Secretion

Concentration and Dilution of Urine

Mouth and Esophagus

The Stomach

Intestinal and Colonic Motility

Pancreatic and Biliary Secretion

Digestion and Absorption of the Macronutrients

Energy Balance and Regulation of Food Intake

General Principles of Endocrinology

Hypothalamus and Pituitary Gland