Autonomics Practice Exam1. Which of the following is NOT innervated by the parasympathetic nervous system?a. salivary glandsb. cardiac SA nodec. urinary bladderd. blood vessels2. Which of the following is the neurotransmitter at the neuromuscular junction?a. acetylcholineb. norepinephrinec. epinephrined. nicotine3. When injected into the bloodstream, epinephrine does all of the following EXCEPT:

The nervous system is a collection of specialised cells that control movement, thought, sensation…

Answered: 1. Which of the following is NOT…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

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1. Differentiate the following: a. central from peripheral nervous system b. somatic from autonomic nervous system c. sympathetic from parasympathetic division
8. All of the following conditions would have same effect on muscles (flaccid paralysis) as muscular dysgeny with a single exception. What is the exception? A. Exposure to botulinum toxin, which blocks release of ACh at the NMJ. B. Poisoning with atropine, an antagonist of muscarinic receptors C. Poisoning with curare, an antagonist of nicotinic receptors D. Myasthenia gravis, an autoimmune disease in which the nicotinic attacked by the immune system and cannot receptors are function normally.
ALS cause degeneration of motor nerves which control voluntary muscle movement. Which of the following would most likely be affected in a person suffering from ALS? Select one: a. peristalsis in the small intestine. b. heart output O c. vasoconstriction of arterioles O d. respiration rate
Prolonged wheelchair sitting May result in decreased circulation. Which of the following is a sign of decreased circulation?
8. When a nerve impulse reaches the nerve endings the permeability of the A. Presynaptic membrane to potassium increases B. Presynaptic membrane to sodium decreases C. Presynaptic membrane to calcium increases D. Presynaptic Membranes of calcium decreases
1. Ketamine is considered an antagonist for which receptor? A. GABA a B. GABA b C. NMDA D. AMPA 2. Which of the following is/are true about the role of astrocytes in the glutamatergic neuronal circuits? A. Synthesize glutamine from glutamate B. Aid in the re-uptake of glutamate released to the synapse C. Assist in the glucose- and lactate-based metabolism and delivery of energy for neurons D. All of these 3. Glutamatergic neurons are generally ____________ in Major Depressive Disorder, and __________ in Bipolar Disorder. A. Underactive; Overactive B. Overactive; Underactive C. Underactive; Underactive D. Overactive; Overactive 4. Ketamine is considered an antagonist for which receptor? A. GABA a B. GABA b C. NMDA D. AMPA 5. Alcoholic beverages, is primarily considered a * A. GABA agonist B. GABA antagonist C. Glutamate precursor D. Glutamate enzymatic product
21. Which of the following neurotransmitters have an inhibitory effect? a. GABA b. Glutamate c. Acetylcholine d. a and b e. a and c
1. An image of the cross-section of a spinal cord would show “anterior (or ventral) horns”. What is in that region? 2. Which layer of connective tissue of nerve covers the individual fiber? a.Pericardium b.Perineurium c.Epineurium d.None of the above 3. The electrical gradient across the cell membrane is known as a ?

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1. Which of the following is NOT innervated by the parasympathetic nervous system? a. salivary glands b. cardiac SA node c. urinary bladder d. blood vessels 2. Which of the following is the neurotransmitter at the neuromuscular junction? a. acetylcholine b. norepinephrine c. epinephrine d. nicotine