In what way does the interior surface of a cell membrane of a resting (nonconduc
ID: 93589 • Letter: I
Question
In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? The interior is ___. A) Positively charged and contains less sodium B) Negatively charged and contains less sodium C) Negatively charged and contains more sodium D) Positively charged and contains more sodium Nuclei of cranial nerves V, VI, and VII are found in the ___. A) Midbrain B) Medulla C) Pons D) Cerebrum The arbor vitae refers to ___. A) Cerebellar gray matter B) Cerebellar white matter C) The pleatlike convolutions of the cerebellum D) Flocculonodular nodes The brain stem consists of the ___. A) Cerebrum, pons, midbrain, and medulla B) Midbrain, medulla, and pons C) Pons, medulla, cerebellum, and midbrain D) Midbrain only The primary auditory cortex is located in the ___. A) Prefrontal lobe B) Frontal lobe C) Temporal lobe D) Parietal lobe Spinocerebellar tracts ___. A) Terminate in the spinal cord B) Carry proprioceptive inputs to the cerebellum C) Give rise to conscious experience of perception D) Are found in the dorsal columns of the spinal cord What cells line the ventricles of the brain? A) Ependymal cells B) Neurons C) Epithelial cells D) AstrocytesExplanation / Answer
20 B
Negatively charged and contains less sodium
Explanation: Outside of the resting membrane has more sodium ions. Inside more potassium ions and protein anions are present which make inside negatively charged in comparison to outside.
21 C pons
These nuclei are located in pons with one of these located at bordeline of pons and medulla.
22. B Cerebellar white matter
Explanation: Arbor vitae is branched tree like matter present in cerebellum of hind brain.
23. B Midbrain pons and medulla
Explanation: Brain stem consists of pons , medulla oblongata and midbrain. It controls message transmission between brain an body and vice versa.
24.C Temporal lobe
Temporal lobe is functional part of cerebrum responsible for hearing.
25. B carry proprioceptive inputs to cerebellum
26. A ependymal cells
These cells line ventricles of brain and secrete cerebro spinal fluid.
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