Bio 201 Exam 4 Review With Complete Solutions 2024

People who have hydrocephaly often have an issue with which of these glial cell types? -Oligodendrocytes -Ependymal cells -Astrocytes -Microglia {Ans: Ependymal cells}When a neurotransmitter like acetylcholine is acting in an excitatory manner which of the following is likely a result of the acetylcholine acting on the postsynaptic cell? a. Chemically gated potassium channels will open. b. Chemically gated chloride channels will open. c. Chemically gated sodium channels will open. d. Chemically gated sodium channels will be closed {Ans: Chemically gated sodium channels will open (c.)}What differentiates an autonomic reflex from a somatic reflex? {Ans: a two-neuron motor pathway}White matter is found in all of the following locations EXCEPT the ________. {Ans: cerebral cortex}Which of the following statements about the cerebellum is NOT correct? {Ans: The cerebellum generates conscious motor commands}Which neuron circuit pattern is involved in the control of rhythmic activities such as breathing? a. reverberating circuit b. converging circuit c. parallel after-discharge circuit d. diverging circuit {Ans: reverberating circuit (a.)}