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1. Which structures respond to threats?
a.hippocampus
b.hypothalamus
c. immune system
d. a, b, & c
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- 1. Brain structures involved in creation of fear experience a. The lateral nucleus of the amygdala b. Dorso-medial thalamus c, Hippocampus d. a, b, & c1. Which of the following terms most accurately describes the cellular activity associated with the actual passage of a nerve impulse? a. electrical discharge b. wave of depolarization c. active transport of ions d. action of sodium-potassium pump 2. By definition, a "nerve" is a. a dendrite. b. the same as a neuron within the central nervous system. c. a single extension of a neuron. d. a bundle of axons. 3. Neurons and other cells that produce action potentials are said to show a. capacitance. b. polarity. c. voltage. d. excitability. 4. The input zone of a neuron is the a. axonal terminals. b. both cell body and dendrite. c. axon. d. cell body. 5. The word that best describes the interaction of sympathetic and parasympathetic systems is a. cooperation. b. subversive. c. ineffective. d. antagonistic.Please ASAP. Thank you. 1. How would you define fear? a. A direct response to a pleasant memory b. One of the basic emotions c. A physical reaction to pain d. A phantom sensation
- 4. Match each response with the division of the peripheral nervous system involved in the response. Answer choices may be used more than once. Write either A or B in the space provided A. sympathetic division B. parasympathetic division a. bladder muscles become relaxed _____ b. bronchioles become dilated _____ c. salivary glands are stimulated and secrete saliva _____ d. bronchioles become constricted _____ e. heart rate increases _____ asap please1. Describe Dr. LeDoux's Emotional Pathways a. Emotional stimulus>sensory thalamus>lateral nucleus of the amygdala>emotional response b. Emotional stimulus>sensory thalamus>neocortex>lateral nucleus of the amygdala>emotional response c. Emotional stimulus>sensory thalamus> >emotional response d. a & b 2. Bobby was hiking through the forest until he stopped and smelled the scent of a campfire. If we were to look at his brain, where would the olfactory nerve project in the amygdala? a. Basal nucleus b. Medial nucleus c. Lateral nucleus d. Central nucleusPlease ASAP. Thank you. 1. Mechanisms devoted to protecting the organism a.Pain b.Fear c.Pain, Fear, anxiety d.None of the above
- 1. How can an emotional stimulus reach the amygdala? a. From the cerebellum b. Lateral hypothalamus c. From the dorso-medial thalamus d. From the Central gray (PAG) 2. What is SAD? a. A transmittable virus disease b. A disease with a prevalence of approximately 5 % c. A form of severe anxiety related to interactions (or thoughts of interactions) with other people d. An attack from a certain animaln 5. In experiment on a frog the conducting ways transsection between the brain and the thoracal part of the spinal cord was carried out. The irritation of skin receptors of back extrimity by 1% solution of sulfuric acid will lead to withdrawal reflex of back extremity thanks to: A. The integrated nervous centre The local nervous centre B. C. Increase in the force of irritation D. Increase in duration of irritation E. Everything that is above named12. Four-year-old DeMarcus falls asleep shortly after 8:30 p.m. At about 9:45 p.m., he suddenly sits up in bed, breathing rapidly and appearing to be in a state of sheer panic. In this scenario, DeMarcus is experiencing: A. bruxism. B. a narcoleptic attack. C. night terrors. D. sleep apnea.
- 1. Effect of fear on the autonomic nervous system a. Fear may increase sympathetic activity only b. Fear may decrease parasympathetic activity only c. Fear may increase sympathetic activity and decrease parasympathetic activity d. Fear may not change sympathetic only parasympathetic activity7. Which statement describes the sympathetic nervous system? A. Stimulation of the sympathetic nervous system generally causes a decrease in blood pressure. B. The nerves exit the central nervous system in the head and from the lumbar spine. C. The only neurotransmitters it secretes are epinephrine and norepinephrine. D. There are three different subtypes of adrenergic receptors on target organs.33. Which adult brain region(s), if destroyed can lead to fatality, as it is the control center for automatic behaviors necessary for survival like breathing and heartbeat? a. cerebrum b. diencephalon c. brain stem d. cerebellum e. a and c