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BIO 669 2025 Quiz 2 Exam Questions With Correct Answers Accredited (Score A)
Typology: Exams
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Vascular smooth muscle is most impacted by what type of receptor? Alpha 1 The alpha-1 receptor will, upon binding to its ligand, will result in which of the following effects: Excitation and vasoconstriction of vascular smooth muscles A stroke affecting the temporal lobe is most likely to show signs and symptoms affecting the: Patient's speech or hearing Ephedra is a sympathomimetic, meaning it has sympathetic nervous system activating effects. As such, it may be assumed to have all of the following side effects EXCEPT Diarrhea and abdominal cramping The parasympathetic nervous system is associated with which of the following:
Ganglia that are close to the target organ The ______ division of the autonomic nervous system helps conserve energy and the bodys resources (rest and digest) and uses _______ as its neurotransmitter(s) Parasympathetic; acetylcholine Parasympathetic system stimulation causes all of the following except: Increasing vasodilation of vascular smooth muscle The effect of sympathetic nervous system activation on metabolism includes all of the following EXCEPT: Storage of glucose as glycogen is enhanced Which of the following is a correct statement regarding the comparison of the autonomic and somatic nervous system? They both originate in the CNS and end in the PNS, so are part of the peripheral nervous system All of the following are true regarding graded potential EXCEPT:
Making the inside of the cell membrane more negative relative to the outside of the membrane would be considered: Hyperpolarization (repolarization) Any given spinal nerve arises from (is formed by): The combination of an anterior spinal root with a posterior spinal root The Basal ganglia (cerebral nuceli) are most involved in: Inhibiting unwanted movement (coordinating movement) The minimum depolarization needed to open voltage-gated Na+ channels and form an action potential is termed: Threshold If the K+ channels opened and stayed open, what would happen to the resting membrane potential of - 70mV? Become more negative until the membrane potential reached - 94mV The cerebellum is most responsible for:
Control of fine motor control and balance/posture Which of the following receptor type does not activate G proteins (i.e. does not use a second messenger system)? Nicotine The beta- 2 - receptor, upon binding to its ligand, will result in which of the following effects? Vascular smooth muscle relaxation and dilation in cardiac arterioles The frontal lobe is responsible for conscious: Control of voluntary motor area and limbic system A stronger stimulus will result in greater membrane depolarization of neuro resulting in: More frequent action potentials The receptive (incoming signal) portion of the neuron is called the: Dendrite
Damage to Broca's area is mostly likely to cause: inability/difficulty in forming words (expressive aphasia) A stroke affecting the temporal lobe would most likely affect: Primary auditory complex (language recognition)