BIO 3122 Study Guide Questions with Correct
Answers
the parasympathetic nervous system is controlled by what parts of the spinal cord?
cranial and sacral
somatic reflex
skeletal muscles, controlled by somatic nervous system
visceral (autonomic) reflex
utilize smooth muscle, a gland, or cardiac muscle as the effector
afferent (sensory) neuron
carries information from the stimulus to the CNS
efferent (motor) neuron
carries information from the CNS to the effector cells
agonist muscle
muscle that works together with another muscle
antagonsit Muscle
muscle that works against another muscle
Sympathetic nervous system, post and pre ganglionic hormones
pre: acetylcholine
post" epinephrine and norepinephrine
parasympathetic nervous system, post and pre ganglionic hormones
, pre: acetylcholine
post: acetylcholine
parasympathetic nervous system
rest and digest
sympathetic nervous system
fight or flight
pupil constriction
circular muscle contracts and radial muscle relaxes
pupil dilation
radial muscle contracts and circular muscle relaxes
moves eye upwards
superior rectus muscle contracts
moves eye towards the nose
medial rectus muscle contracts
Neuron: somatic motor
chemical messenger: ACH
Outer ear
receives sound waves/vibrations that sent to the eardrum
Middle Ear
Vibrations sent to ossicles and amplify sound
Answers
the parasympathetic nervous system is controlled by what parts of the spinal cord?
cranial and sacral
somatic reflex
skeletal muscles, controlled by somatic nervous system
visceral (autonomic) reflex
utilize smooth muscle, a gland, or cardiac muscle as the effector
afferent (sensory) neuron
carries information from the stimulus to the CNS
efferent (motor) neuron
carries information from the CNS to the effector cells
agonist muscle
muscle that works together with another muscle
antagonsit Muscle
muscle that works against another muscle
Sympathetic nervous system, post and pre ganglionic hormones
pre: acetylcholine
post" epinephrine and norepinephrine
parasympathetic nervous system, post and pre ganglionic hormones
, pre: acetylcholine
post: acetylcholine
parasympathetic nervous system
rest and digest
sympathetic nervous system
fight or flight
pupil constriction
circular muscle contracts and radial muscle relaxes
pupil dilation
radial muscle contracts and circular muscle relaxes
moves eye upwards
superior rectus muscle contracts
moves eye towards the nose
medial rectus muscle contracts
Neuron: somatic motor
chemical messenger: ACH
Outer ear
receives sound waves/vibrations that sent to the eardrum
Middle Ear
Vibrations sent to ossicles and amplify sound
