Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 12, Problem 16RQ
Which of the following substances is least able to cross the blood-brain barrier?
- water
- sodium ions
- glucose
- white blood cells
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( explain deeply with step by step type the answer).
Chapter 12 Solutions
Anatomy & Physiology
Ch. 12 - In 2003, the Nobel Prize in Physiology or Medicine...Ch. 12 - Visit this site...Ch. 12 - Visit this site...Ch. 12 - View the University of Michigan Webscope...Ch. 12 - What happens across the membrane of an...Ch. 12 - Visit this site...Ch. 12 - Watch this video...Ch. 12 - Watch this video...Ch. 12 - Which of the following cavities contains a...Ch. 12 - Which structure predominates in the white matter...
Ch. 12 - Which part of a neuron transmits an electrical...Ch. 12 - Which term describes a bundle of axons in the...Ch. 12 - Which functional division of the nervous system...Ch. 12 - What type of glial cell provides myelin for the...Ch. 12 - Which part of a neuron contains the nucleus?...Ch. 12 - Which of the following substances is least able to...Ch. 12 - What type of glial cell is the resident macrophage...Ch. 12 - What two types of macromolecules are the main...Ch. 12 - If a thermoreceptor is sensitive to temperature...Ch. 12 - Which of these locations is where the greatest...Ch. 12 - How long does all the signaling through the...Ch. 12 - What is the target of an upper motor neuron?...Ch. 12 - What ion enters a neuron causing depolarization of...Ch. 12 - Voltage-gated Na+ channels open upon leaching what...Ch. 12 - What does a ligand-gated channel require in order...Ch. 12 - What does a mechanically gated channel respond to?...Ch. 12 - Which of the following voltages would most likely...Ch. 12 - Which of the following is probably going to...Ch. 12 - How much of a change in the membrane potential is...Ch. 12 - A channel opens on a postsynaptic membrane that...Ch. 12 - What neurotransmitter is released at the...Ch. 12 - What type of receptor requires an effector protein...Ch. 12 - Which of the following neurotransmitters is...Ch. 12 - What responses are generated by the nervous system...Ch. 12 - When eating food, what anatomical and functional...Ch. 12 - Multiple sclerosis is a demyelinating disease...Ch. 12 - Which type of neuron, based on its shape, is best...Ch. 12 - Sensory fibers, or pathways, are referred to as...Ch. 12 - If a person has a motor disorder and cannot move...Ch. 12 - What does it mean for an action potential to be an...Ch. 12 - The conscious perception of pain is often delayed...Ch. 12 - If a postsynaptic cell has synapses from five...Ch. 12 - Why is the receptor the important element...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The blood brain barrier can be attributed primarily to which cell type? Tight junction between Smooth muscle cells of the vasculature wall Tight junction between astrocytes Gap junction between glial cells O Tight junction between Endothelial cellsarrow_forwardNicotinic receptors are also considered what? Adrenergic Sodium channels Enzymes Inhibitoryarrow_forwardWhich of the following functions is NOT a unique role of the sympathetic nervous system? Constriction or dilation of blood vessels Decrease blood glucose levels Release of renin from the kidneys to increase blood pressure Activation of sweat glands Innervation of adrenal medullaarrow_forward
- The Central Nervous system is made up of: Spinal Cord, Nerves, Brain O Brain, Ganglia, Nerves Spinal Cord, Brain Brain, Spinal cord, Gangliaarrow_forwardWhich of the following cells helps control the concentration of ions in the chemical environment surrounding the neurons? satellite cells astrocytes Schwann cells oligodendrocytes two of the abovearrow_forwardWhich of the following is most likely a result of the activation of the parasympathetic division of the autonomic nervous system? an increased breathing rate decreased blood flow to the kidneys promoting the digestive system increased blood flow to the lungs an increased heart ratearrow_forward
- Excitatory neurotransmitters: rev neurons up. calm neurons down. do not undergo re-uptake. All of the abovearrow_forwardall of the following apply to the autonomic nervous system except it operates on an involuntary basis it consists of sympathetic and parasympathetic divisions it does not include cranial nerves it is composed of preganglionic and postganglionic neuronsarrow_forwardFigure 35.26 Which of the following statements is false? The parasympathetic pathway is responsible for relaxing the body, while the sympathetic pathway is responsible for preparing for an emergency. Most preganglionic neurons in the sympathetic pathway originate in the spinal cord. Slowing of the heartbeat is a parasympathetic response. Parasympathetic neurons are responsible for releasing norepinephrine on the target organ, while sympathetic neurons are responsible for releasing acetylcholine.arrow_forward
- Cerebrospinal fluid _____. a. fills cavities and canals in the brain and spinal cord b. is chemically similar to blood plasma c. cushions both the brain and spinal cord d. both a and c, but not b e. a, b, and carrow_forwardWhich of the following is stimulated by the Sympathetic nervous system? Question 9 options: Increased dilation of respiratory tubes in lungs during exercise Increased contractions of the digestive system for peristalsis Increased contractions of rectum muscles to defecate Increased saliva and tear production Increased contractions of urinary bladder to urinatearrow_forwardIn atropine poisoning, would you expect the pupils to be dilated or constricted? The skin to be moist or dry? The heart rate to be elevated or depressed? The bladder to retain urine or void uncontrollably?arrow_forward
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