URI PSY 381 Exam 1 || 100% Errorless Answers.
Bipsychology correct answers a branch of psychology that involves the scientific study of the
biological foundations of cognition, emotion and behavior
afferent correct answers signals go into brains (arrive)
efferent correct answers signals go out of the brain (exit)
central nervous system correct answers brain, cranial nerve (optic) and spinal cord
perpheral nervous system correct answers 11 pairs of the cranial nerve,
brings signals into CNS and carry signals out of the CNS via spinal cord
how many pairs of spinal nerves are there? correct answers 31
information sent to the CNS via the ___ roots of the spinal cord. correct answers dorsal
information is sent from the CNS via the __ roots of the spinal cords. correct answers ventral
Gray matter correct answers primarily cell bodies
white matter correct answers mainly myelinated axons---- made of fats and proteins
automatic nervous system correct answers regulates our internal environments. carries sensory
signals from our organs to our brains via afferent nerves and carries motor signals from our brain
to our organs
ANS has 2 different types of efferent nerves correct answers -sympathetic and parasympathetic
How is the brain protected? correct answers The brain is protected by skull, meninges,
cerebrospinal fluid, and the blood brain barrier
CNS is encased in bone and covered by what three meninges? correct answers -dura mater
-arachniod membrane
-cerebral ventricles
Where are the cerebral ventricles located? correct answers CSF
sudural hematoma correct answers bleeding underneath the dura mater and the brain itself
CSF consists of? correct answers water, proteins, glucose and electrolytes
Where is CSF found? correct answers ventricles and subarachnoid space (menagies)
, What is the purpose of the CSF? correct answers cushions brain, carries nutrients, carries away
wastes, provide proper environment for neurons of the brain
Proximal correct answers close
Distal correct answers far
Anterior correct answers front
Posterior correct answers back
Dorsal correct answers top
Ventral correct answers Toward the belly
Medial correct answers Toward the midline of the body
Lateral correct answers Away from the midline of the body
horizontal correct answers a slice parallel to the ground
frontal correct answers pertaining to the forehead--bread loaf
Sagittal correct answers divides brain into left and right
What is the forebrain? correct answers telencephalon (cerebral cortex, both hemispheres, limbic
system and basal ganglia) and diencephalon (hypothalamus and thalamus)
What is the midbrain? correct answers mesencephalon (tectum and tegmentum)
What is the hindbrain? correct answers medulla, pons, cerebellum
What does the hypothalamus do? correct answers controls pituitary gland and regulates the
release of hormones from this gland
What does the longitudinal fissure separate? correct answers two hemispheres
What is the corpus callosum? correct answers connects the two hemispheres
What is the limbic system? correct answers amygdala, hippocampus, hypothalamus, cingulate
cortex, fornix, septum and mammilary body
What is the basal ganglia? correct answers a set of subcortical structures that directs intentional
movements
Bipsychology correct answers a branch of psychology that involves the scientific study of the
biological foundations of cognition, emotion and behavior
afferent correct answers signals go into brains (arrive)
efferent correct answers signals go out of the brain (exit)
central nervous system correct answers brain, cranial nerve (optic) and spinal cord
perpheral nervous system correct answers 11 pairs of the cranial nerve,
brings signals into CNS and carry signals out of the CNS via spinal cord
how many pairs of spinal nerves are there? correct answers 31
information sent to the CNS via the ___ roots of the spinal cord. correct answers dorsal
information is sent from the CNS via the __ roots of the spinal cords. correct answers ventral
Gray matter correct answers primarily cell bodies
white matter correct answers mainly myelinated axons---- made of fats and proteins
automatic nervous system correct answers regulates our internal environments. carries sensory
signals from our organs to our brains via afferent nerves and carries motor signals from our brain
to our organs
ANS has 2 different types of efferent nerves correct answers -sympathetic and parasympathetic
How is the brain protected? correct answers The brain is protected by skull, meninges,
cerebrospinal fluid, and the blood brain barrier
CNS is encased in bone and covered by what three meninges? correct answers -dura mater
-arachniod membrane
-cerebral ventricles
Where are the cerebral ventricles located? correct answers CSF
sudural hematoma correct answers bleeding underneath the dura mater and the brain itself
CSF consists of? correct answers water, proteins, glucose and electrolytes
Where is CSF found? correct answers ventricles and subarachnoid space (menagies)
, What is the purpose of the CSF? correct answers cushions brain, carries nutrients, carries away
wastes, provide proper environment for neurons of the brain
Proximal correct answers close
Distal correct answers far
Anterior correct answers front
Posterior correct answers back
Dorsal correct answers top
Ventral correct answers Toward the belly
Medial correct answers Toward the midline of the body
Lateral correct answers Away from the midline of the body
horizontal correct answers a slice parallel to the ground
frontal correct answers pertaining to the forehead--bread loaf
Sagittal correct answers divides brain into left and right
What is the forebrain? correct answers telencephalon (cerebral cortex, both hemispheres, limbic
system and basal ganglia) and diencephalon (hypothalamus and thalamus)
What is the midbrain? correct answers mesencephalon (tectum and tegmentum)
What is the hindbrain? correct answers medulla, pons, cerebellum
What does the hypothalamus do? correct answers controls pituitary gland and regulates the
release of hormones from this gland
What does the longitudinal fissure separate? correct answers two hemispheres
What is the corpus callosum? correct answers connects the two hemispheres
What is the limbic system? correct answers amygdala, hippocampus, hypothalamus, cingulate
cortex, fornix, septum and mammilary body
What is the basal ganglia? correct answers a set of subcortical structures that directs intentional
movements
