Which of the following will increase cardiac output? A: an increase in sympathetic impulses B: an increase in parasympathetic impulses C: a faster stream of impulses from the baroreceptors D: an increase in vasodilation
Which of the following will increase cardiac output? A: an increase in sympathetic impulses B: an increase in parasympathetic impulses C: a faster stream of impulses from the baroreceptors D: an increase in vasodilation
The following belong to peripheral nervous system ( ) A: Conducts impulses from receptors to the CNS B: Informs the CNS of the state of the body interior and exterior C: Sensory nerve fibers can be somatic or visceral D: Conducts impulses from CNS to effectors
The following belong to peripheral nervous system ( ) A: Conducts impulses from receptors to the CNS B: Informs the CNS of the state of the body interior and exterior C: Sensory nerve fibers can be somatic or visceral D: Conducts impulses from CNS to effectors
Oligodendrocytes make myelin, a fatty substance that insulates nerve axons and speeds the conduction of impulses along nerve fibers.
Oligodendrocytes make myelin, a fatty substance that insulates nerve axons and speeds the conduction of impulses along nerve fibers.
One who desires and impulses are not his own has no character.() A: his B: whose C: whom D: of whom
One who desires and impulses are not his own has no character.() A: his B: whose C: whom D: of whom
Children and, later, teenagers have to learn to put a brake on their impulses, to ______ their desires. A: tame B: inspire C: reveal D: skate
Children and, later, teenagers have to learn to put a brake on their impulses, to ______ their desires. A: tame B: inspire C: reveal D: skate
Neurons<br/>conduct nerve impulses through:() A: microtubule B: axolemma C: endoneurium D: synaptic vesicle E: perineurium
Neurons<br/>conduct nerve impulses through:() A: microtubule B: axolemma C: endoneurium D: synaptic vesicle E: perineurium
Through which of the following structure does nerve fibers conduct nerve impulses? A: Myelin sheath B: Axolemma C: Neurofilament D: Synaptic vesicle
Through which of the following structure does nerve fibers conduct nerve impulses? A: Myelin sheath B: Axolemma C: Neurofilament D: Synaptic vesicle
Questions 11~13 are based on a conversation about robots. Which of the following is NOT important for robots to perform a task A: A head shaped like a human being. B: A computer brain. C: Signals in the form of electrical impulses. D: A claw.
Questions 11~13 are based on a conversation about robots. Which of the following is NOT important for robots to perform a task A: A head shaped like a human being. B: A computer brain. C: Signals in the form of electrical impulses. D: A claw.
The reason for rapid conduction of impulses along myelinated nerve fibers is that they have( ) A: long axons B: thick axons C: many synaptic vesicles in the axons D: clefts of Schmidt and Lantermann E: nodes of Ranvie
The reason for rapid conduction of impulses along myelinated nerve fibers is that they have( ) A: long axons B: thick axons C: many synaptic vesicles in the axons D: clefts of Schmidt and Lantermann E: nodes of Ranvie
Sampling of an analog signal produces对一个模拟量采样,产生 A: a series of impulses that are proportional to the amplitude of the signal.与信号幅值成正比的一系列脉冲。 B: a series of impulses that are proportional to the frequency of the signal.与信号频率成正比的一系列脉冲。 C: digital codes that represent the analog signal amplitude.表示模拟信号幅值的数字代码。 D: digital codes that represent the time of each sample.表示每次采样时间的数字代码。
Sampling of an analog signal produces对一个模拟量采样,产生 A: a series of impulses that are proportional to the amplitude of the signal.与信号幅值成正比的一系列脉冲。 B: a series of impulses that are proportional to the frequency of the signal.与信号频率成正比的一系列脉冲。 C: digital codes that represent the analog signal amplitude.表示模拟信号幅值的数字代码。 D: digital codes that represent the time of each sample.表示每次采样时间的数字代码。