12 Jun Which of the following functions is correctly paired with its nervous
Question
Which of the following functions is correctly paired with its nervous system division?
Increases heart rate—parasympathetic Increases heart rate—sympathetic Constricts pupils—sympathetic Dilates pupils—parasympathetic Question 2 (Multiple Choice Worth 2 points)
(03.07 MC)
How does neural transmission compare to endocrine signal transmission?
Hormones are chemicals from endocrine glands, and neurotransmitters are chemical signals from neurons. Hormones are electric impulses sent from endocrine glands, and action potentials are electric signals sent through neurons. Endocrine glands and neurons both send their messages through the bloodstream. Endocrine glands and neurons both use electrical signals.
Question 3 (Multiple Choice Worth 2 points)
(03.02 LC)
The dorsal root in a reflex arc receives signals from
effectors motor neurons sensory neurons muscles
What is the correct order of a signal being transmitted across a neuromuscular junction?
Neurotransmitter—neuron—receptor protein—motor end plate Neurotransmitter—receptor protein—motor end plate—neuron Neuron—neurotransmitter—receptor protein—motor end plate Neuron— receptor protein—neurotransmitter—motor end plate
Question 5 (Multiple Choice Worth 2 points)
(03.03 LC)
The cerebellum controls
thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulseQuestion 8 (Multiple Choice Worth 2 points)
(03.07 MC)
What is occurring in the endocrine system during a “fight or flight” response?
Release of adrenaline by the adrenal glands Release of cortisol by the adrenal glands Release of adrenaline by the gonads Release of cortisol by the gonadsQuestion 9 (Multiple Choice Worth 2 points)
(03.07 MC)
A person’s kidneys start secreting renin. This hormone is known to
regulate blood pressure. produce insulin. control glucose levels. raise calcium levels.
Glands of the endocrine system release their hormones
directly onto the hormones’ target cells directly onto the skin’s epithelial cells into the bloodstream into attached ductsQuestion 12 (Multiple Choice Worth 2 points)
(03.06 MC)
“Popping” of the ears is often experienced when taking off on a plane flight because pressure changes in the ear cause slight displacement of the tympanic membrane. This displacement would cause which of the following?
The middle bone of the ear cannot move, temporarily. The calcareous structures in the inner ear cannot move, temporarily. The hollow tube in the inner ear that contains the sensory organs of hearing changes position. The thin membrane that closes the cavity of the middle ear from the outside changes position.
Question 13 (Multiple Choice Worth 2 points)
(03.01 MC)
A doctor is exploring some tissue with a blunt probe. She notices that the tissue is white and fatty and seems to be concentrated within the spinal cord. She is observing
gray matter cerebrospinal fluid motor nerves myelin sheaths
When an action potential reaches a neuromuscular junction, which of the following will happen first?
Acetylcholine binds to acetylcholinesterase and depolarizes the cell. Sodium ion gates and potassium ion gates open at the same time. Acetylcholine enters into the synapse to bond with receptor proteins. Vesicles containing acetylcholine fuse with the presynaptic membrane. Question 15 (Multiple Choice Worth 2 points)
(03.04 MC)
An injury to the nervous system results in nervousness and hyperactivity. Which division of the nervous system was damaged by the injury?
Central Sympathetic Sensory somatic Parasympathetic
Which part of a reflex arc would connect a sensory neuron from the face and neck to a motor neuron in a lower section of the spinal cord?
Ventral root Interneuron Effector Dorsal rootQuestion 18 (Multiple Choice Worth 2 points)
(03.01 MC)
Parkinson’s disease prevents the brain from properly sending motor signals to the consciously moved muscles of the body. This disease would therefore inhibit parts of the
autosensory nervous system parasympathetic nervous system peripheral nervous system autonomic nervous system
Question 19 (Multiple Choice Worth 2 points)
(03.01 LC)
Sensory nerves are fibers that
send signals toward the central nervous system send signals toward the peripheral nervous system send signals toward and receive signals from the peripheral nervous system send signals toward and receive signals from the central nervous system
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