1|Page
BIOL 235 MIDTERM EXAM AND PRACTICE EXAM 180
QUESTIONS AND 100%CORRECT DETAILED ANSWERS
(VERIFIED AND GRADED A+)
______________ is the conscious or subconscious awareness of
changes in the external or internal environement - ANSWER-
sensation
These sensory receptors are bare dendrites that lack any
structural specialization.
Ex: receptors for pain, temp, itch, tickle - ANSWER-Free nerve
endings
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What kind of receptors are associated with visceral sensation
such as pressure and vibration? - ANSWER-encapsulated nerve
ending
The sensation of hearing, visions, smell, taste, touch, pressure,
vibration, temperature and pain are all conveyed by
______________ - ANSWER-exteroceptors
Where are interoceptors found? - ANSWER-in blood vessels,
visceral organs, muscles, and the nervous system
What are the proprioceptors in skeletal muscles that are
responsible for monitoring changes in the length of the muscles
in stretch reflexes? - ANSWER-muscle spindles
,3|Page
These are located at the junction of a tendon and a muscle -
ANSWER-tendon organs
These neurons conduct impulses from somatic receptors into
the brain or spinal cord - ANSWER-First-order neruons
These neurons conduct impulses from the brain stem and spinal
cord to the thalamus - ANSWER-second-order neurons
These neurons conduct impulses from the thalamus to the
primary somatosensory area of the cortex on the same side -
ANSWER-third-order neurons
, 4|Page
Nerve impulses for touch, pressure, vibration, and conscious
proprioception from the limbs, trunk, neck,, and posterior head
ascend to the cerebral cortex along the
__________________________ pathway - ANSWER-posterior
column-medial lemniscus
What kind of ion channels are found in nearly all cells, including
dendrites, cell bodies, and axons of all types of neurons? -
ANSWER-Leak channels
What kind of ion channel can be found in pain receptors? -
ANSWER-mechanically-gated channels
BIOL 235 MIDTERM EXAM AND PRACTICE EXAM 180
QUESTIONS AND 100%CORRECT DETAILED ANSWERS
(VERIFIED AND GRADED A+)
______________ is the conscious or subconscious awareness of
changes in the external or internal environement - ANSWER-
sensation
These sensory receptors are bare dendrites that lack any
structural specialization.
Ex: receptors for pain, temp, itch, tickle - ANSWER-Free nerve
endings
,2|Page
What kind of receptors are associated with visceral sensation
such as pressure and vibration? - ANSWER-encapsulated nerve
ending
The sensation of hearing, visions, smell, taste, touch, pressure,
vibration, temperature and pain are all conveyed by
______________ - ANSWER-exteroceptors
Where are interoceptors found? - ANSWER-in blood vessels,
visceral organs, muscles, and the nervous system
What are the proprioceptors in skeletal muscles that are
responsible for monitoring changes in the length of the muscles
in stretch reflexes? - ANSWER-muscle spindles
,3|Page
These are located at the junction of a tendon and a muscle -
ANSWER-tendon organs
These neurons conduct impulses from somatic receptors into
the brain or spinal cord - ANSWER-First-order neruons
These neurons conduct impulses from the brain stem and spinal
cord to the thalamus - ANSWER-second-order neurons
These neurons conduct impulses from the thalamus to the
primary somatosensory area of the cortex on the same side -
ANSWER-third-order neurons
, 4|Page
Nerve impulses for touch, pressure, vibration, and conscious
proprioception from the limbs, trunk, neck,, and posterior head
ascend to the cerebral cortex along the
__________________________ pathway - ANSWER-posterior
column-medial lemniscus
What kind of ion channels are found in nearly all cells, including
dendrites, cell bodies, and axons of all types of neurons? -
ANSWER-Leak channels
What kind of ion channel can be found in pain receptors? -
ANSWER-mechanically-gated channels
