BIOL251 Human Anatomy &
Physiology I w/Lab 2025/2026 | Module
7 Exam Review |150+ Questions and
Answers Summary
By Dr. Lima
✔ Correct answers
Question 1
Which sensory receptor is responsible for detecting the position and movement
of the body?
• Nociceptors
• Exteroceptors
• Interoceptors
• Proprioceptors ✔
Question 2
True or False: Ruffini’s corpuscles detect stretch, sustained pressure, and warmth.
• True
• False ✔
Question 3
What is paradoxical cold?
, • When warm receptors mistakenly signal cold sensations
• When cold receptors stop firing in extremely cold conditions
• When cold receptors fire in response to an extreme heat stimulus ✔
• When both warm and cold receptors stop firing simultaneously
Question 4
Which structure in the spinal cord receives incoming sensory information?
• Central canal
• Ventral horn
• Anterior horn
• Dorsal horn ✔
Question 5
Which of the following statements is true about polysynaptic reflex arcs?
• They are faster than monosynaptic reflex arcs.
• They involve only two neurons.
• They allow only a single muscle group to respond.
• They involve an interneuron for more complex processing. ✔
Question 6
Which of the following is an example of an effector in a reflex arc?
• A sensory neuron
• Thermoreceptor in the skin
• A muscle contracting to move the hand away from a flame ✔
, • A motor neuron
Question 7
What is a common feature of both somatic and autonomic reflexes?
• Both involve a sensory neuron and a motor neuron. ✔
• Both reflexes originate in the brainstem only.
• Both control only skeletal muscles.
• Both are voluntary responses to stimuli.
Question 8
True or False: The Jendrassik maneuver decreases the patellar reflex by increasing
inhibitory signals to the muscles.
• True
• False ✔
(Note: The Jendrassik maneuver enhances the patellar reflex by decreasing
inhibitory signals to the muscles.)
Question 9
Which type of sensory receptor is primarily responsible for detecting fine touch
and texture?
• Lamellated corpuscles
• Tactile (Meissner’s) corpuscles ✔
• Bulbous corpuscles
• Free nerve endings
, Question 10
True or False: Nociceptors are rapidly adapting receptors that detect light touch.
• True
• False ✔
Question 11
Which of the following best describes the function of lamellated (Pacinian)
corpuscles?
• Detect light touch and low-frequency vibration
• Detect deep pressure and high-frequency vibration ✔
• Detect pain and temperature
• Detect stretch in muscles and tendons
Question 12
A patient has damage to the dorsal root of a spinal nerve. Which of the following
would most likely occur?
• Loss of motor function in the corresponding dermatome
• Loss of sensory input from the corresponding region ✔
• Uncontrollable muscle spasms
• Loss of autonomic function
Question 13
Which reflex is monosynaptic and involves stretching of a muscle?
• Flexor reflex
• Crossed extensor reflex
Physiology I w/Lab 2025/2026 | Module
7 Exam Review |150+ Questions and
Answers Summary
By Dr. Lima
✔ Correct answers
Question 1
Which sensory receptor is responsible for detecting the position and movement
of the body?
• Nociceptors
• Exteroceptors
• Interoceptors
• Proprioceptors ✔
Question 2
True or False: Ruffini’s corpuscles detect stretch, sustained pressure, and warmth.
• True
• False ✔
Question 3
What is paradoxical cold?
, • When warm receptors mistakenly signal cold sensations
• When cold receptors stop firing in extremely cold conditions
• When cold receptors fire in response to an extreme heat stimulus ✔
• When both warm and cold receptors stop firing simultaneously
Question 4
Which structure in the spinal cord receives incoming sensory information?
• Central canal
• Ventral horn
• Anterior horn
• Dorsal horn ✔
Question 5
Which of the following statements is true about polysynaptic reflex arcs?
• They are faster than monosynaptic reflex arcs.
• They involve only two neurons.
• They allow only a single muscle group to respond.
• They involve an interneuron for more complex processing. ✔
Question 6
Which of the following is an example of an effector in a reflex arc?
• A sensory neuron
• Thermoreceptor in the skin
• A muscle contracting to move the hand away from a flame ✔
, • A motor neuron
Question 7
What is a common feature of both somatic and autonomic reflexes?
• Both involve a sensory neuron and a motor neuron. ✔
• Both reflexes originate in the brainstem only.
• Both control only skeletal muscles.
• Both are voluntary responses to stimuli.
Question 8
True or False: The Jendrassik maneuver decreases the patellar reflex by increasing
inhibitory signals to the muscles.
• True
• False ✔
(Note: The Jendrassik maneuver enhances the patellar reflex by decreasing
inhibitory signals to the muscles.)
Question 9
Which type of sensory receptor is primarily responsible for detecting fine touch
and texture?
• Lamellated corpuscles
• Tactile (Meissner’s) corpuscles ✔
• Bulbous corpuscles
• Free nerve endings
, Question 10
True or False: Nociceptors are rapidly adapting receptors that detect light touch.
• True
• False ✔
Question 11
Which of the following best describes the function of lamellated (Pacinian)
corpuscles?
• Detect light touch and low-frequency vibration
• Detect deep pressure and high-frequency vibration ✔
• Detect pain and temperature
• Detect stretch in muscles and tendons
Question 12
A patient has damage to the dorsal root of a spinal nerve. Which of the following
would most likely occur?
• Loss of motor function in the corresponding dermatome
• Loss of sensory input from the corresponding region ✔
• Uncontrollable muscle spasms
• Loss of autonomic function
Question 13
Which reflex is monosynaptic and involves stretching of a muscle?
• Flexor reflex
• Crossed extensor reflex
