Deck 15: Sensory, Motor, and Integrative Systems

Question 1

Which of the following type of neuron conducts impulses from the thalamus to the primary somatosensory area of the cortex on the same side?

A) first order neuron
B) second order neuron
C) third order neuron
D) post ganglionic neurons
E) None of these answer choices are correct.

Answer 1

C

Question 2

Which of the following type of proprioceptor is found in the articular capsules of synovial joints?

A) tendon organ
B) gamma motor neuron
C) muscle spindle
D) kinesthetic receptor
E) tactile receptor

Answer 2

D

Question 3

Which of the neurons in the figure would most likely pick up an itch sensation?

A) A
B) B
C) C
D) Both A and B
E) All of these answer choices are correct.

Answer 3

A

Question 4

Which of the following sensory receptor responds to stimuli resulting from physical or chemical damage to tissue?

A) encapsulated nerve ending
B) free nerve ending
C) separate cell
D) nociceptor
E) chemoreceptor

Question 5

The main function of muscle spindles is

A) to determine tension of the tendon.
B) to pick up referred pain.
C) to perceive cutaneous sensations.
D) to measure muscle length.
E) to pick up muscle fatigue.

Question 6

During ___, the frequency of nerve impulses in the first-order neuron decreases during prolonged stimulus.

A) fatigue
B) adaptation
C) perception
D) modality
E) transduction

Question 7

Which of the following is not an event in the process of sensation?

A) stimulation of sensory receptors
B) transduction of the stimulus
C) transmission of the synapse
D) generation of impulses
E) integration of sensory input

Question 8

Visceral pain results from stimulating ___.

A) chemoreceptors
B) nociceptors
C) exteroreceptors
D) proprioreceptors
E) None of these answer choices are correct.

Question 9

The postcentral gyri of the parietal lobes of the cerebral cortex

A) are considered the primary gustatory area.
B) receive body sensory information.
C) control voluntary body movements.
D) receive visual information.
E) provide the ability to move the eyeballs.

Question 10

Which of the following type of neuron conducts impulses from the brain stem and spinal cord to the thalamus?

A) first order neuron
B) second order neuron
C) third order neuron
D) both first order and second order neurons
E) None of these answer choices are correct.

Question 11

Which of the following is considered a receptor for fine touch?

A) corpuscles of touch
B) type I cutaneous mechanoreceptor
C) chemoreceptor
D) osmoreceptor
E) photoreceptor

Question 12

Identify the incorrect statement.

A) Proprioceptive sensations allow us to estimate the weight of certain objects.
B) Proprioceptive sensations are from slowly adapting receptors.
C) Proprioceptive sensations have receptors embedded in muscles and tendons.
D) Proprioceptive sensations allow us to determine position of body structures.
E) Proprioceptive sensations promote activity of the gustatory region of the brain.

Question 13

Which of the neurons in the figure would illustrate receptors for pressure and vibration?

A) A
B) B
C) C
D) both A and B
E) All of these answer choices are correct.

Question 14

Which of the following are sensory receptors that are located in blood vessels and visceral organs, and their signals are not usually consciously perceived?

A) encapsulated nerve endings
B) interoceptors
C) chemoreceptors
D) osmoreceptors
E) separate cells

Question 15

A single sensory neuron can have how many modalities?

A) one
B) dozens
C) hundreds
D) thousands
E) zero

Question 16

Which of the following is considered a rapidly adapting receptor?

A) corpuscle of touch
B) type I cutaneous mechanoreceptor
C) lamellated corpuscle
D) both corpuscle of touch and type I cutaneous mechanoreceptor
E) All of these answer choices are correct.

Question 17

Where are cold receptors found?

A) epidermis
B) dermis
C) tissues that underlie mucous membrane
D) every tissue of the body
E) ligaments and tendons

Question 18

The neurons from the cerebral cortex that execute voluntary movements of the body are the

A) upper motor neurons.
B) bipolar neurons.
C) second order neurons.
D) None of these answer choices are correct.
E) proprioceptors.

Question 19

Ultimately, all excitatory and inhibitory signals that control movement converge on the neurons known as ___, which innervate skeletal muscle.

A) local circuit neurons
B) upper motor neurons
C) lower motor neurons
D) basal nuclei neurons
E) cerebellar neurons

Question 20

Which of the following type of neuron conducts impulses from the somatic receptors into the brain stem or spinal cord?

A) first order neuron
B) second order neuron
C) third order neuron
D) both first order and second order neurons
E) None of these answer choices are correct.

Question 21

Which of the following represents a pain receptor?

A) A
B) B
C) C
D) D
E) E

Question 22

The stimulation of the reticular formation in the brain stem increases activity of the cerebral cortex to

A) maintain consciousness.
B) maintain muscle tone.
C) maintain proper posture and balance.
D) maintain precise voluntary movements.
E) None of these answer choices are correct.

Question 23

Describe the role of the reticular activating system in sleep, arousal, and consciousness.

Question 24

Which structure in the figure conducts impulses from the somatic receptors into the brain or spinal cord?

A) A
B) B
C) C
D) D
E) E

Question 25

The basal ganglia

A) suppress unwanted movement.
B) regulate muscle tone.
C) initiate and terminate movements.
D) both suppress unwanted movement and regulate muscle tone.
E) All of these answer choices are correct.

Question 26

You are sitting on a sunny Florida beach. Describe the anatomical structures that must be present and the physiological events that must occur in order for you to perceive the warmth of the sun.

Question 27

Which of the following represents a cutaneous mechanoreceptor that senses pressure and vibration?

A) A
B) B
C) C
D) D
E) E

Question 28

Which of the following does NOT occur during sleep?

A) ANS is stimulated
B) decrease of heart rate
C) decrease of blood pressure
D) skeletal muscles cannot contract
E) dream during REM

Question 29

Which of the following represents a corpuscle of touch?

A) A
B) B
C) C
D) D
E) E

Question 30

What does the figure represent?

A) dermatomes
B) areas of referred pain
C) regions of nociceptors
D) areas supplied by the primary somatosensory area
E) areas supplied by the primary motor region

Question 31

Circadian rhythms are established by the

A) thalamus.
B) hypothalamus.
C) reticular activating system.
D) limbic system.
E) pituitary gland.

Question 32

Compare short term memory vs. long term memory with regard to specific changes that are thought to occur in the brain.

Question 33

Which of the following represents a type II cutaneous mechanoreceptor that monitors the stretching of skin?

A) A
B) B
C) C
D) D
E) E

Question 34

Synesthesia is a condition in which stimulation of one sensory modality results in perception of another. One man reportedly tastes shapes. Many synesthetic people hear colors. Based on what you know about sensation, explain the phenomenon of synesthesia.

Question 35

Which of the following represents a lamellated corpuscle?

A) A
B) B
C) C
D) D
E) E

Question 36

Sleep/wake cycles are referred to as

A) integrative functions.
B) reticular activating system.
C) circadian rhythm.
D) limbic system.
E) None of these answer choices are correct.

Question 37

Which of the following is a direct motor pathway?

A) anterior corticospinal tract
B) corticobulbar tract
C) lateral corticospinal tract
D) both anterior corticospinal tract and corticobulbar tract
E) All of these answer choices are correct.

Question 38

Which structure in the figure conducts impulses from the thalamus to the primary somatosensory area of the cortex?

A) A
B) B
C) C
D) D
E) E

Question 39

Identify the second order neuron.

A) A
B) B
C) C
D) D
E) E

Question 40

In the figure, where is the pons?

A) A
B) B
C) C
D) D
E) E

Question 41

The ___ suppress unwanted movements by their inhibitory effects on the thalamus and midbrain.

A) reticular activating system
B) basal nuclei
C) pons
D) limbic system
E) None of these answer choices are correct.

Question 42

Proprioception means awareness of

A) visual acuity.
B) crude perception of temperature.
C) position.
D) color vision.
E) blood gasses.

Question 43

In the figure, where is the direct pathway?

A) A
B) B
C) C
D) D
E) E

Question 44

During sleep, activity in the ___ division of the autonomic nervous system increases while the ___ division activity decreases.

A) sympathetic, parasympathetic
B) sympathetic, somatic
C) parasympathetic, sympathetic
D) somatic, parasympathetic
E) None of these answer choices are correct.

Question 45

Perception is primarily a function of the

A) pons.
B) cerebellum.
C) medulla oblongata.
D) cerebral cortex.
E) midbrain.

Question 46

Memory is the process by which information acquired through learning is stored and retrieved.

Question 47

Pain that arises from stimulation of receptors in the skin is called

A) superficial somatic pain.
B) deep somatic pain.
C) referred pain.
D) slow pain.
E) fast pain.

Question 48

Which of the following is NOT involved in cerebellar function?

A) monitor intentions for movement
B) monitor actual movement
C) compare the command signals with sensory information
D) monitor sleep
E) receive impulses from the motor areas of the basal nuclei

Question 49

If there is a discrepancy between intended and actual movement, which part of the brain sends out corrective feedback to upper motor neurons?

A) pons
B) medulla
C) cerebellum
D) midbrain
E) cerebral cortex

Question 50

Gustatory receptors are found in the

A) inner ear.
B) retina of the eye.
C) skin.
D) nose.
E) taste buds.