Question 1

Figure 14- 1 Spinothalamic Tracts
Use Figure 14- 1 to answer the following questions:
-A state of unconsciousness in which an individual can be aroused by normal stimuli is

Accepted Answer

A)  sleep. 
B)  somnolence. 
C)  stupor. 
D)  a chronic vegetative state. 
E)  coma. 
A)  sleep. 
B)  somnolence. 
C)  stupor. 
D)  a chronic vegetative state. 
E)  coma.

Question 2

Figure 14- 1 Spinothalamic Tracts
Use Figure 14- 1 to answer the following questions:
-The spinal tract that carries sensations from proprioceptors to the CNS is the

Accepted Answer

A)  fasciculus gracilis. 
B)  anterior spinothalamic. 
C)  fasciculus cuneatus. 
D)  spinocerebellar. 
E)  lateral spinothalamic. 
A)  fasciculus gracilis. 
B)  anterior spinothalamic. 
C)  fasciculus cuneatus. 
D)  spinocerebellar. 
E)  lateral spinothalamic.

Question 3

An inhaler used to treat airway constriction in asthma or allergy might contain a drug that

Accepted Answer

A)  activates fi1 adrenergic receptors. 
B)  activates fi2 adrenergic receptors. 
C)  blocks muscarinic cholinergic receptors. 
D)  A or B 
E)  B or C 
A)  activates fi1 adrenergic receptors. 
B)  activates fi2 adrenergic receptors. 
C)  blocks muscarinic cholinergic receptors. 
D)  A or B 
E)  B or C

Question 4

Your uncle was just diagnosed with a heart attack. One of his major symptoms is left arm pain. You are not surprised because you are familiar with the phenomenon of

Accepted Answer

A)  phantom pain. 
B)  referred pain. 
C)  psychogenic pain. 
D)  somatic pain. 
E)  neurogenic pain. 
A)  phantom pain. 
B)  referred pain. 
C)  psychogenic pain. 
D)  somatic pain. 
E)  neurogenic pain.

Question 5

Clusters of ganglionic sympathetic neurons lying along either side of the spinal cord are called sympathetic_____ ganglia.

Accepted Answer

A)  intramural 
B)  prevertebral 
C)  collateral 
D)  suprarenal 
E)  chain 
A)  intramural 
B)  prevertebral 
C)  collateral 
D)  suprarenal 
E)  chain

Question 6

Neurons from the nucleus gracilis

Accepted Answer

A)  relay sensory information to the ipsilateral cerebral hemisphere. 
B)  relay information directly to the cerebrum. 
C)  decussate before entering the medial lemniscus. 
D)  carry both crude and fine touch. 
E)  both A and D 
A)  relay sensory information to the ipsilateral cerebral hemisphere. 
B)  relay information directly to the cerebrum. 
C)  decussate before entering the medial lemniscus. 
D)  carry both crude and fine touch. 
E)  both A and D

Question 7

Mechanoreceptors that respond to changes in blood pressure are called

Accepted Answer

A)  baroreceptors. 
B)  nociceptors. 
C)  thermoreceptors. 
D)  chemoreceptors. 
E)  proprioceptors. 
A)  baroreceptors. 
B)  nociceptors. 
C)  thermoreceptors. 
D)  chemoreceptors. 
E)  proprioceptors.

Question 8

Dual innervation refers to an organ receiving

Accepted Answer

A)  both sympathetic and parasympathetic innervation. 
B)  both autonomic and somatomotor nerves. 
C)  nerves from both the brain and the spinal cord. 
D)  two nerves from the spinal cord. 
E)  both A and B 
A)  both sympathetic and parasympathetic innervation. 
B)  both autonomic and somatomotor nerves. 
C)  nerves from both the brain and the spinal cord. 
D)  two nerves from the spinal cord. 
E)  both A and B

Question 9

Muscarinic receptors

Accepted Answer

A)  are found mostly in autonomic ganglia. 
B)  are normally activated by acetylcholine. 
C)  always produce an excitatory response. 
D)  control sodium channels in the affected membrane. 
E)  are blocked by norepinephrine. 
A)  are found mostly in autonomic ganglia. 
B)  are normally activated by acetylcholine. 
C)  always produce an excitatory response. 
D)  control sodium channels in the affected membrane. 
E)  are blocked by norepinephrine.

Question 10

In relation to the medial and lateral pathways, the _____ pathway controls _______ movements of trunk and _____limb muscles.

Accepted Answer

A)  lateral; precise; distal 
B)  lateral; gross; distal 
C)  medial; gross; distal 
D)  medial; gross; proximal 
E)  medial; fine; distal 
A)  lateral; precise; distal 
B)  lateral; gross; distal 
C)  medial; gross; distal 
D)  medial; gross; proximal 
E)  medial; fine; distal

Question 11

What effect would cutting the vagus nerve branch that innervates the stomach have on gastric function?

Accepted Answer

The vagus nerve carries parasympathetic

Question 12

The pyramidal system provides

Accepted Answer

A)  involuntary control over smooth muscles. 
B)  voluntary control over skeletal muscles. 
C)  voluntary control over smooth muscles. 
D)  involuntary control over cardiac muscle. 
E)  involuntary control over skeletal muscles. 
A)  involuntary control over smooth muscles. 
B)  voluntary control over skeletal muscles. 
C)  voluntary control over smooth muscles. 
D)  involuntary control over cardiac muscle. 
E)  involuntary control over skeletal muscles.

Question 13

As the result of an accident, the white rami of spinal nerves T1 and T2 on the left side of Brad's body are severed. What organs) would you expect might be affected by this injury?

Accepted Answer

A)  left pupil 
B)  right pupil 
C)  heart 
D)  A and B only 
E)  A and C only 
A)  left pupil 
B)  right pupil 
C)  heart 
D)  A and B only 
E)  A and C only

Question 14

Figure 14- 3 ANS Pathway
Use Figure 14- 3 to answer the following questions:
-Identify the structure labeled "6."

Accepted Answer

A)  preganglionic neuron 
B)  ganglionic neuron 
C)  astrocyte 
D)  sensory neuron 
E)  somatic motor neuron 
A)  preganglionic neuron 
B)  ganglionic neuron 
C)  astrocyte 
D)  sensory neuron 
E)  somatic motor neuron

Question 15

Figure 14- 3 ANS Pathway
Use Figure 14- 3 to answer the following questions:
-Identify the structure labeled "1."

Accepted Answer

A)  somatic motor neuron 
B)  ganglionic neuron 
C)  sensory neuron 
D)  preganglionic neuron 
E)  astrocyte 
A)  somatic motor neuron 
B)  ganglionic neuron 
C)  sensory neuron 
D)  preganglionic neuron 
E)  astrocyte

Question 16

Figure 14- 3 ANS Pathway
Use Figure 14- 3 to answer the following questions:
-The descending spinal tract that crosses to the opposite side of the body within the medulla oblongata is the _____tract.

Accepted Answer

A)  vestibulospinal 
B)  reticulospinal 
C)  rubrospinal 
D)  lateral corticospinal 
E)  anterior corticospinal 
A)  vestibulospinal 
B)  reticulospinal 
C)  rubrospinal 
D)  lateral corticospinal 
E)  anterior corticospinal

Question 17

Splanchnic nerves

Accepted Answer

A)  control sympathetic function of structures in the thorax. 
B)  connect chain ganglia. 
C)  are formed of parasympathetic fibers. 
D)  originate from first- order neurons located in the upper five thoracic segments of the spinal cord. 
E)  consist of axons that synapse in collateral ganglia. 
A)  control sympathetic function of structures in the thorax. 
B)  connect chain ganglia. 
C)  are formed of parasympathetic fibers. 
D)  originate from first- order neurons located in the upper five thoracic segments of the spinal cord. 
E)  consist of axons that synapse in collateral ganglia.

Question 18

Visceral reflex arcs can bypass CNS neurons in _____ reflexes

Accepted Answer

The answer of Visceral reflex arcs can bypass CNS neurons...

Question 19

Drugs that have effects similar to those of sympathetic activation are called sympathomimetic drugs. Which of the following would you not expect to observe in a person who has taken a sympathomimetic drug?

Accepted Answer

A)  increased heart rate 
B)  increased blood sugar level 
C)  decreased blood pressure 
D)  sweating 
E)  wheezing 
A)  increased heart rate 
B)  increased blood sugar level 
C)  decreased blood pressure 
D)  sweating 
E)  wheezing

Question 20

All of the following are true of a prickling pain sensation, except that they

Accepted Answer

A)  reach the CNS quickly. 
B)  often trigger somatic reflexes. 
C)  are carried by type A fibers. 
D)  are fast adapting. 
E)  receive conscious attention. 
A)  reach the CNS quickly. 
B)  often trigger somatic reflexes. 
C)  are carried by type A fibers. 
D)  are fast adapting. 
E)  receive conscious attention.

Exam 14: Neural Integration

Figure 14- 1 Spinothalamic Tracts Use Figure 14- 1 to answer the following questions: -A state of unconsciousness in which an individual can be aroused by normal stimuli is

Figure 14- 1 Spinothalamic Tracts Use Figure 14- 1 to answer the following questions: -The spinal tract that carries sensations from proprioceptors to the CNS is the

An inhaler used to treat airway constriction in asthma or allergy might contain a drug that

Your uncle was just diagnosed with a heart attack. One of his major symptoms is left arm pain. You are not surprised because you are familiar with the phenomenon of

Clusters of ganglionic sympathetic neurons lying along either side of the spinal cord are called sympathetic_____ ganglia.

Neurons from the nucleus gracilis

Mechanoreceptors that respond to changes in blood pressure are called

Dual innervation refers to an organ receiving

Muscarinic receptors

In relation to the medial and lateral pathways, the _____ pathway controls _______ movements of trunk and _____limb muscles.

What effect would cutting the vagus nerve branch that innervates the stomach have on gastric function?

The pyramidal system provides

As the result of an accident, the white rami of spinal nerves T1 and T2 on the left side of Brad's body are severed. What organs) would you expect might be affected by this injury?

Figure 14- 3 ANS Pathway Use Figure 14- 3 to answer the following questions: -Identify the structure labeled "6."

Figure 14- 3 ANS Pathway Use Figure 14- 3 to answer the following questions: -Identify the structure labeled "1."

Figure 14- 3 ANS Pathway Use Figure 14- 3 to answer the following questions: -The descending spinal tract that crosses to the opposite side of the body within the medulla oblongata is the _____tract.

Splanchnic nerves

Visceral reflex arcs can bypass CNS neurons in _____ reflexes

Drugs that have effects similar to those of sympathetic activation are called sympathomimetic drugs. Which of the following would you not expect to observe in a person who has taken a sympathomimetic drug?

All of the following are true of a prickling pain sensation, except that they

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Filters

In relation to the medial and lateral pathways, the _ pathway controls _ movements of trunk and ___limb muscles.

As the result of an accident, the white rami of spinal nerves T₁ and T₂ on the left side of Brad's body are severed. What organs) would you expect might be affected by this injury?