Textbook Question
Proprioceptors include all of the following except
a. Muscle spindles
b. Tendon organs
c. Epithelial tactile complexes
d. Joint kinesthetic receptors
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Ch. 13 The Peripheral Nervous System and Reflex Activity
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091
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Table of contents
- Ch. 1 The Human Body: An Orientation24
- Ch. 2 Chemistry Comes Alive25
- Ch. 3 Cells: The Living Units24
- Ch. 4 Tissue: The Living Fabric19
- Ch. 5 The Integumentary System10
- Ch. 6 Bones and Skeletal Tissues19
- Ch. 7 The Skeleton11
- Ch. 8 Joints7
- Ch. 9 Muscles and Muscle Tissue26
- Ch. 10 The Muscular System26
- Ch. 11 Fundamentals of the Nervous System and Nervous Tissue23
- Ch. 12 The Central Nervous System26
- Ch. 13 The Peripheral Nervous System and Reflex Activity28
- Ch. 14 The Autonomic Nervous System18
- Ch. 16 The Endocrine System26
- Ch. 17 Blood27
- Ch. 18 The Cardiovascular System: The Heart22
- Ch. 19 The Cardiovascular System: Blood Vessels27
- Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues16
- Ch. 21 The Immune System: Innate and Adaptive Body Defenses29
- Ch. 22 The Respiratory System20
- Ch. 23 The Digestive System30
- Ch. 24 Nutrition, Metabolism, and Energy Balance26
- Ch. 25 The Urinary System25
- Ch. 26 Fluid, Electrolyte, and Acid-Base Balance24
- Ch. 27 The Reproductive System23
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091Not the one you use?Change textbook
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Marieb, Hoehn 7th EditionCh. 13 The Peripheral Nervous System and Reflex ActivityProblem 1
Marieb, Hoehn 7th EditionCh. 13 The Peripheral Nervous System and Reflex ActivityProblem 1Chapter 13, Problem 1
The large onion-shaped receptors that are found deep in the dermis and in subcutaneous tissue and that respond to deep pressure are
a. Epithelial tactile complexes
b. Lamellar corpuscles
c. Free nerve endings
d. Muscle spindles
Verified step by step guidance1
Step 1: Understand the location and function of the receptors mentioned. The question asks about receptors found deep in the dermis and subcutaneous tissue that respond to deep pressure.
Step 2: Review the characteristics of each option: a) Epithelial tactile complexes (Merkel cells) are located in the basal layer of the epidermis and respond to light touch, not deep pressure.
Step 3: Lamellar corpuscles (also known as Pacinian corpuscles) are large, onion-shaped receptors located deep in the dermis and subcutaneous tissue, and they are specialized to detect deep pressure and vibration.
Step 4: Free nerve endings are simple nerve endings that detect pain and temperature, generally found throughout the skin but not specialized for deep pressure.
Step 5: Muscle spindles are sensory receptors within muscles that detect changes in muscle length, not pressure in the skin.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Lamellar Corpuscles
Lamellar corpuscles, also known as Pacinian corpuscles, are large, onion-shaped sensory receptors located deep in the dermis and subcutaneous tissue. They are specialized to detect deep pressure and vibration stimuli, making them essential for sensing mechanical changes beneath the skin surface.
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Epithelial Tactile Complexes
Epithelial tactile complexes, or Merkel cells, are sensory receptors found in the basal layer of the epidermis. They respond primarily to light touch and texture, providing detailed information about objects in contact with the skin, but are not involved in sensing deep pressure.
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Free Nerve Endings and Muscle Spindles
Free nerve endings are unspecialized nerve fibers that detect pain, temperature, and crude touch, while muscle spindles are sensory receptors within muscles that monitor stretch and muscle length. Neither is responsible for detecting deep pressure in the skin.
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Related Practice
Textbook Question
Match the names of the cranial nerves in column B to the appropriate description in column A.
Column A
_______ (1) Causes pupillary constriction
_______ (2) The major sensory nerve of the face
_______ (3) Serves the sternocleido-mastoid and trapezius muscles
_______ (4) Purely sensory (two nerves)
_______ (5) Serves the tongue muscles
_______ (6) Allows you to chew your food
_______ (7) Impaired in Bell's palsy
_______ (8) Helps regulate heart activity
_______ (9) Helps you hear and maintain your balance
_______ (10) Contain parasympathetic motor fibers (four nerves)
Column B
a. Abducens
b. Accessory
c. Facial
d. Glossopharyngeal
e. Hypoglossal
f. Oculomotor
g. Olfactory
h. Optic
i. Trigeminal
j. Trochlear
k. Vagus
l. Vestibulocochlear
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Textbook Question
Match the receptor type in column B to the correct description in column A.
Column A
______ (1) Pain, itch, and temperature receptors
______ (2) Contains intrafusal fibers and anulospiral and flower spray endings
______ (3) Discriminative touch receptor in hairless skin (fingertips)
______ (4) Contains receptor endings wrapped around thick collagen bundles
______ (5) Rapidly adapting deep-pressure receptor
______ (6) Slowly adapting deep-pressure receptor
Column B
a. Bulbous corpuscles
b. Tendon organ
c. Muscle spindle
d. Free nerve endings
e. Lamellar corpuscle
f. Tactile corpuscle
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