Anatomy final Test Bank - Gray’s Anatomy for Students latest edition 2024/2025
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Course
Anatomy
Institution
Anatomy
Anatomy final Test Bank - Gray’s Anatomy
for Students latest edition 2024/2025
The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure,
swallowing, and vomiting are located in the:
1) _______
A) hypothalamus
B) pons
C) cerebrum
D) midbrain
E...
EXAM STUDY MATERIALS July 23, 2024 4:26 PM Anatomy final Test Bank - Gray’s Anatomy for Students latest edition 2024/2025 The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the: 1) _______ A) hypothalamus B) pons C) cerebrum D) midbrain E) medulla oblongata - answer✔✔medulla oblongata Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid: 2) _______ A) potassium B) calcium C) sodium D) chloride E) magnesium - answer✔✔potassium The blood -brain barrier is effective against the passage of: 3) _______ A) nutrients such as glucose B) metabolic waste such as urea C) water D) anesthetics E) alcohol - answer✔✔metabolic waste such as urea The sympathetic and parasympathetic nervous systems are subdivisions of the: 4) _______ EXAM STUDY MATERIALS July 23, 2024 4:26 PM A) autonomic nervous system B) voluntary nervous system C) somatic nervous system D) central nervous system E) peripheral nervous system - answer✔✔autonomic nervous system An action potential: 5) _______ A) involves the outflux of negative ions to depolarize the membrane B) involves the influx of negative i ons to depolarize the membrane C) is initiated by potassium ion movements D) involves the outflux of positive ions to depolarize the membrane E) is essential for nerve impulse propagation - answer✔✔is essential for nerve impulse propagation Cell bodies of the sensory neurons of the spinal nerves are located in: 6) _______ A) the dorsal root ganglia of the spinal cord B) the thalamus C) the hypothalamus D) the ventral root ganglia of the spinal cord E) sympathetic ganglia - answer✔✔the dorsal root ga nglia of the spinal cord The effects of the sympathetic nervous system are essentially opposite of the: 7) _______ A) motor division B) parasympathetic nervous system C) sensory division D) central nervous system E) autonomic nervous system - answer✔✔parasympathetic nervous system Cerebrospinal fluid circulates through all of the following except: 8) _______ A) corpus callosum B) lateral ventricles C) fourth ventricle EXAM STUDY MATERIALS July 23, 2024 4:26 PM D) cerebral aqueduct E) subarachnoid space - answer✔✔corpus callosum Which one o f the following is the correct sequence in connective tissue sheaths, going from outermost to innermost layer: 9) _______ A) perineurium, endoneurium, epineurium B) epineurium, perineurium, endoneurium C) perineurium, epineurium, endoneurium D) epineurium, endoneurium, perineurium E) endoneurium, epineurium, perineurium - answer✔✔epineurium, perineurium, endoneurium Sally has a brain injury; she knows what she wants to say but canʹt vocalize the words. The part of her brain that deals with th e ability to speak is the: 10) ______ A) central sulcus B) Brocaʹs area C) primary motor area D) longitudinal fissure E) gyrus - answer✔✔Broca ʹs area Which one of the following is the correct sequence of events that follows a threshold potential: 1. the membrane becomes depolarized 2. sodium channels open and sodium ions diffuse inward 3. the membrane becomes repolarized 4. potassium channels open and potassium ions diffuse outward while sodium is actively transported out of the cell 11) ______ A) 2, 1, 4, 3 B) 3, 2, 4, 1 C) 2, 1, 3, 4 D) 4, 1, 3, 2 E) 1, 2, 4, 3 - answer✔✔A) 2, 1, 4, 3 Which one of the following best describes the waxy -appearing material called myelin: 12) ______
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