Solution for QID #111087: Question 11 pts _____ axons appear white. Group of | StudyHelpMe

Question 11 pts   _____ axons appear white. Group of answer choices immature   damaged   myelinated   unmyelinated     Flag question: Question 2Question 21 pts   Gaps between Schwann cells, on which impulses "jump" (increasing speed of impulse), are called Group of answer choices dendrites   Nissl bodies   nodes of Ranvier   oligodendrocytes     Flag question: Question 3Question 31 pts   ______ are efferent, meaning that they carry impulses from the central nervous system (CNS) to effectors (glands and muscles). Group of answer choices bipolar   sensory neurons   motor neurons   interneurons     Flag question: Question 4Question 41 pts   Which of the following correctly describes the inside of a neuron in relation to the outside environment when it is not receiving or transmitting an impulse (this is said to be resting potential)? Group of answer choices there are more sodium ions on the inside of the neuron   the inside of the neuron is positive compared to the outside of the neuron   the inside of the cell is negative compared to the outside of the cell   the voltage is the same inside the cell as it is outside the cell     Flag question: Question 5Question 51 pts   Impulses travel faster on Group of answer choices unmyelinated axons   myelinated axons   interneurons that sensory neurons     Flag question: Question 6Question 61 pts   Which of the following represents the voltage that causes a neuron to reach threshold?  (this number describes the inside of the cell relative to the environment outside the cell) Group of answer choices 0 mv   -65 mv   -70 mv   -55 mv     Flag question: Question 7Question 71 pts   Which of the following neuron structures receives impulses from other neurons? Group of answer choices dendrites   axonal hillock   axons   terminal buds     Flag question: Question 8Question 81 pts   When a neuron reaches threshold, _____ rushes into the cell via voltage-gated channels, resulting in an action potential. Group of answer choices calcium ions   potassium ions   sodium ions   chloride     Flag question: Question 9Question 91 pts   ______ cause the post-synaptic neuron's cell membrane to become hyperpolarized, decreasing the likelihood of an action potential. Group of answer choices convergance   excitatory post synaptic potentials   divergance   inhibitory post synaptic potential     Flag question: Question 10Question 101 pts   _____ of an impulse amplifies the result of the impulse. Group of answer choices divergance   convergance   inhibitory neurotransmitters   the all-or-none response     Flag question: Question 11Question 111 pts   The ________ is the space between two adjacent neurons. Group of answer choices terminal knob   axonal hillock   Nissl body   synaptic cleft     Flag question: Question 12Question 121 pts   Oligodendrocytes produce myelin and are found only in neural tissue of the Group of answer choices brain and spinal cord   peripheral nerves   arms and legs   cranial nerves     Flag question: Question 13Question 131 pts   ______ neurons have two processes--one axon and one dendrite.  They occur in specialized nervous tissue such as the eyes, nose, and ears. Group of answer choices multipolar   tripolar   bipolar   unipolar     Flag question: Question 14Question 141 pts   ______ are neuroglial cells found in the CNS that link neurons to blood vessels and form scar tissue to close gaps due to injury in this tissue. Group of answer choices microglia   oligodendrocytes   astrocytes   ependyma     Flag question: Question 15Question 151 pts   What portion of the the motor division of the peripheral nervous systerm is under voluntary control? Group of answer choices parasympathetic   sympathetic   somatic   autonomic     Flag question: Question 1Question 11 pts   Which layer of the meninges is actually the layer that forms the inner periosteum of the cranium? Group of answer choices pia mater   dura mater   fasciculus mater   arachnoid mater     Flag question: Question 2Question 21 pts   Most cerebrospinal fluid (CSF) is produced Group of answer choices in the third ventricle   in the lateral ventricles   in the aquaduct   in the fourth venctricle     Flag question: Question 3Question 31 pts   The gray portion of the spinal cord is composed of Group of answer choices cerebrospinal fluid   meninges   myelenated neurons   unmyelated neurons     Flag question: Question 4Question 41 pts   The ______ tracts are ______ .  They are located in the lateral and anterior columns maintenance of muscle tone and activity of sweat glands Group of answer choices spinocerebellar;  ascending   spinocerebellar;  descending   reticulospinal; ascending   reticulospinal;  descending     Flag question: Question 5Question 51 pts   The cerebrum of the brain develops from the _____ portion of developing brain. Group of answer choices forebrain   pons   midbrain   hindbrain     Flag question: Question 6Question 61 pts   The corpus callosum is composed of deep nerve fibers that connect Group of answer choices the brainstem to the cerebellum   the cerebrum to the brainstem   the cerebrum to the cerebellum   the right and left hemispheres of the cerebrum     Flag question: Question 7Question 71 pts   A ______ is a shallow groove between convolutions on the surface of the brain, while ______ are deep grooves in the brain, such as the deep groove that separates the two hemispheres of the cerebrum. Group of answer choices insula;  lobe   sulcus;  fissure   lobe, insula   fissure;  sulcus     Flag question: Question 8Question 81 pts   The majority of the cerebrum is composed of white matter.  However, the outer portion of the cerebrum, called the _________, is composed of gray matter and contains 75% of the neurons of the entire nervous system. Group of answer choices arbor vitae   cerebral medulla   cerebellar cortex   cerebral cortex     Flag question: Question 9Question 91 pts   Which of the following is a correct statement? Group of answer choices In most people, neither hemisphere of the cerebrum is dominant over the other   the right hemisphere is dominant for some tasks, while the left hemisphere is dominant for other tasks   In most people, the right hemisphere is dominant   In most people, the left hemisphere of the brain is dominant     Flag question: Question 10Question 101 pts   Which of the following is NOT part of the brainstem? Group of answer choices medulla oblongata   midbrain   pons   hypothalamus     Flag question: Question 11Question 111 pts   The space immediately  between the _____ and _____ is called the subarachnoid space and contains cerebrospinal fluid. Group of answer choices dura mater and the bone of the cranium   dura mater and arachnoid mater   dura mater and bone of the vertebral column   pia mater and arachnoid mater     Flag question: Question 12Question 121 pts   The aquaduct connects Group of answer choices the third and fourth ventricles   the lateral ventricles   the fourth ventricle and epidural space   the lateral ventricles and the third ventricle     Flag question: Question 13Question 131 pts   The cervical enlargement of the spinal cord supplies nerves to the Group of answer choices lower limbs   trunk   upper limbs   brain     Flag question: Question 14Question 141 pts   The ______ is the center for intelligence and personality, as well as reasoning and solving complex problems. Group of answer choices medulla oblongata   cerebellum   pons   cerebrum     Flag question: Question 15Question 151 pts   The _______ links that nervous system and the endocrine system.  It helps maintain homeostasis by regulating visceral activities, including hunger and thirst. Group of answer choices basal nuclei   hypothalamus   limbic system   thalamus