MCQ CHAPTER 16 Sensory, Motor, and Integrative Systems Flashcards
1) How many sensory modalities can a single sensory neuron have?
a) One
b) Dozens
c) Hundreds
d) Thousands
e) Two
A
2) Place the events in order for the process of sensation?
1. Stimulation of sensory receptors
2. Generation of impulses
3. Integration of sensory input
4. Transduction of the stimulus
a) 1, 2, 3, 4
b) 2, 1, 4, 3
c) 1, 4, 2, 3
d) 4, 2, 3, 1
e) 3, 2,4, 1
C
3) ______ are sensory receptors located in blood vessels and visceral organs, whose signals are not usually consciously perceived.
a) Exteroreceptors
b) Interoceptors
c) Proprioceptors
d) Nociceptors
e) Thermoreceptors
B
4) ____ would detect irritation on the skin if you didn’t wear gloves while cleaning with bleach.
a) Photoreceptors
b) Mechanoreceptors
c) Proprioceptors
d) Nociceptors
e) Thermoreceptors
D
5) After initially detecting the perfume on your partner, over time you would cease to notice it due to
a) selectivity.
b) adaptation.
c) perception.
d) modality.
e) transduction.
B
6) Which receptor fires continuously as long as a stimulation is applied? SELECT ALL THAT APPLY
a) Corpuscle of touch (Meissner corpuscle)
b) Type I cutaneous mechanoreceptor (Merkel disc)
c) Lamellated (Pacinian) corpuscle
d) Hair root receptor
e) Photoreceptor
f) Type II cutaneous mechanoreceptor (Ruffini corpuscle)
g) thermoreceptor
h) muscle spindles
B & F & G & H
7) Which receptors fire at the onset and the offset of stimulation? Select all that apply.
a) Corpuscle of touch (Meissner corpuscle)
b) Type 1 cutaneous mechanoreceptor (Merkel disc)
c) Lamellated (Pacinian) corpuscle
d)Type II cutaneous mechanoreceptor (Ruffini corpuscle)
e) Hair root plexus
f) Joint kinesthetic receptors
g) Tendon organ
A & C & E & F
9) Which proteins can activate free nerve endings, such as itch receptors and nociceptors? Select all that apply.
a) kinins
b) antigens
c) histamines
d) potassium ions
e) prostaglandins
f) acetylcholine
g) glucose
Answer 1: a
Answer 2: b
Answer 3: c
Answer 4: d
Answer 5: e
10) Which statements describe proprioception? Select all that apply.
a) Proprioceptive sensations allow us to estimate the weight of certain objects.
b) Proprioceptors are slowly adapting receptors.
c) Proprioceptors are embedded in muscles and tendons
d) Proprioceptive sensations allow us to determine position of body structures relative to each other.
e) Proprioceptive sensations are used to activate the nervous system in response to threatening situations.
f) Proprioceptive sensations only allow you to know the positon of body parts when looking at the part.
Answer 1: a
Answer 2: b
Answer 3: c
Answer 4: d
11) Which of the following are correct about muscle spindles? Select all that apply.
a) detect tension applied to a tendon
b) detect changes in muscle tension
c) perceive cutaneous sensations
d) detect changes in muscle length
e) monitor muscle fatigue
f) participate in stretch reflexes
D
F
12) Which proprioceptors are found in the articular capsules of synovial joints?
a) Tendon organs
b) Gamma motor neurons
c) Muscle spindles
d) Kinesthetic receptors
e) Tactile receptors
D
13) The postcentral gyri of the parietal lobes of the cerebral cortex
a) are considered the primary gustatory area.
b) receives primary somatic sensory information.
c) controls voluntary body movements.
d) receives visual information.
e) provides the ability to move the eyeballs.
B
16) ______ convey impulses from lamellated corpuscles and synapse with another neuron in the posterior gray horn of the spinal cord.
a) First order neurons
b) Second order neurons
c) Third order neurons
d) Efferent neurons
e) Motor neurons
A
17) Dancers being aware of their body position when they are in the air is
a) visual acuity.
b) thermoregulation.
c) kinesthesia.
d) proprioception.
e) adaptation.
D
18) If an individual decided to perform a back flip, which area organizes the necessary motor functions?
a) direct motor pathways
b) primary motor area
c) premotor area
d) primary somatosensory area
e) visual association area
C
19) The descending pathway
a) controls sensory functions.
b) consists of upper and lower motor neurons.
c) consists of neurons located completely within the spinal cord.
d) begins in the spinal cord and ends in the brain.
e) is only involved with involuntary muscle movements.
B
20) Which of the neurons in the diagram would most likely pick up an itch sensation?
a)A
b) B
c) C
d) Both A and B
e) A, B, C
A
21) Which of the neurons in the diagram is modified in a manner that helps enhance the sensitivity of the receptor?
a)A
b) B
c) C
d) A and C
e) A, B, and C
B
22) Which structure in the diagram detects a needle puncture or a cut to the skin?
a) A
b) B
c) C
d) D
e) E
A
23) Which structure in the diagram is a multilayer membrane that adapts rapidly to high-frequency vibrations?
a)A
b) B
c) C
d) D
e) E
E
24) Which structure in the diagram is sensitive to low vibrational frequencies and typically located in areas that lack hair?
a)A
b) B
c) C
d) D
e) E
C
25) Which structure monitors the stretching of skin during a physical therapy session?
a)A
b) B
c) C
d) D
e) E
D
26) A rapid breeze causes your hairs to shift on your arms and legs. Which sensory receptor is stimulated?
a) nociceptors
b) Type I cutaneous mechanoreceptors
c) Type II cutaneous mechanoreceptors
d) Lamellated corpuscle
e) Hair root plexus
E
27) What do the coloured regions on the body’s surface in the diagram represent?
a) Dermatomes
b) Areas of referred pain
c) Regions of nociceptors
d) Areas supplied by the primary somatosensory area
e) Motor nuclei
B
30) Why would neuron B in the diagram be considered a second-order neuron? Select all that apply.
a) Decussation occurs
b) Second-order neurons relay information from the thalamus to the cerebral cortex
c) Second order neurons detect stimuli such as touch, vibration, and proprioreception.
d) Second-order neurons travel in white matter pathways
e) Second order neurons end in the thalamus.
f) Second order neurons connect somatic receptors with the spinal cord
g) Cell bodies of the second order neurons are located in the gray matter of spinal cord
Answer 1: a Answer 2: d Answer 3: e Answer 4: g
31) Which of the structures in the diagram of the trigeminothalamic pathway is the trigeminothalamic tract?
a) A
b) B
c) C
d) D
e) E
A
32) In the trigeminothalamic pathway, first-order neuron’s cell bodies are located in the
a) posterior root ganglia
b) trigeminal ganglia
c) pons
d) posterior gray horn
e) ventral posterior nucleus of the thalamus
B
33) The first-order neurons in the trigeminothalamic pathway synapse with second-order neurons in the ____.
a) pons and medulla oblongata
b) pons and midbrain
c) medulla oblongata and midbrain
d) thalamus and medulla oblongata
e) pons and thalamus
A
52) A patient has asthma and struggles to breathe at times. Referred pain associated with this patient would be located where on the diagram?
a)A
b) B
c) C
d) D
e) E
A
53) Pain associated with chronic cirrhosis of the liver is referred to which location on the diagram?
a) B
b) G
c) H
d) F
e) D
A
54) To determine if there is pain referral to a tooth versus pain arising in a tooth, a local anesthetic to the jaw can be given. If the pain persists despite the anesthetic this could be a sign of
a) stomach issues.
b) liver issues.
c) lung and diaphragm issues.
d) kidney issues.
e) heart issues.
E
