Unit 5 Assignment: Anatomy and Physiology Exam Questions Estimated time to compl
ID: 3520429 • Letter: U
Question
Unit 5 Assignment: Anatomy and Physiology Exam Questions Estimated time to complete: 2 hours Assume the role of a prestigious University Professor on a team of Anatomy & Physiology exam experts. On this team, you have been appointed as the expert on the central nervous system (CNS), brain, and spinal cord. Instructions: Write 15 multiple choice exam questions that thoroughly cover the following CNS topic areas: Organization Classification of Nerve Cells The Physiology of the Nerve Impulse The Synaptic Transmission The Reflex Arc Grouping of Neural Tissue The Spinal Cord The Functions of the Spinal Cord The Principle Parts of the Brain The Anatomy and Function of the Brainstem The Anatomy and Functions of the Diencephalon The Cerebrum: Structure and Function The Cerebellum: Structure and Function All question and answer choices must be presented within a multiple-choice format with each authored question set consisting of three (3) incorrect answer choices and one (1) correct answer choice. Each question must be fully supported by a clear explanation with references formatted APA style, as to why the three (3) other choices are incorrect. Questions copied and pasted from any existing source, i.e., general searches on the internet, existing textbook questions, existing NCLEX and other existing exams, etc., will not be considered and will receive a grade of zero (0). Example: This is a netlike region of cells and fibers that extends throughout the brainstem and functions to help maintain consciousness? Nucleus ambiguus Cuneate nucleus Reticular formation – Correct Answer Pyramidal decussation 1. The Nucleus ambiguus is a group of large motor neurons sitting within the reticular formation of the medulla oblangata and helps to innervate the muscles of the soft palate, pharynx and larynx. Ann N Y Acad Sci. 2001 Jun;940:237-46. Synaptic and neurotransmitter activation of cardiac vagal neurons in the nucleus ambiguus. Wang J, Irnaten M, Neff RA, Venkatesan P, Evans C, Loewy AD, Mettenleiter TC, Mendelowitz D. 2. The Cuneate nucleus is part of the posterior column (medial lemniscus pathway) and is responsible for carrying proprioception and fine touch from above T6 (excluding the face and ear) to the thalamus (contralateral side) via the medial lemniscus. 3. Neuron. 2014 Sep 17; 83(6): 1444–1452. Segregation of Tactile Input Features in Neurons of the Cuneate Nucleus. Henrik Jörntell, Fredrik Bengtsson, Pontus Geborek, Anton Spanne, Alexander V. Terekhov, and Vincent Hayward. 4. Pyramidal decussation is the crossing of fibers of the corticospinal tracts near the junction of the medulla and the spinal cord in the central nervous system. J Neurosurg. 1986 Dec;65(6):884. Neuroanatomy of the pyramidal decussation. Landau WM.
Explanation / Answer
1) which cells are present with neurons in the brain,and provides support to them?
A.Oligodendrocytes
B.Astrocytes
C.Both A and B
D.dendritic cells
Answer is C-
It is the neuroglial cells which supports neurons.
Dendrite is a part of neuron.
Astrocyte and oligodendrocyte are the types of glial cell.
2) Action potential in a nerve results due to movement of which of the following-
A.Na from intracellular to extracellular compartment.
B.Na from extracellular to intracellular compatment.
C.K from intracellular to extracellular compartment
D.K from extracellular to intracellular compartment.
Answer is - Na from extracellular to intracellular compartment.
3) absolute Refractory period results due to;
A) Inactivation of sodium channels
B) Activation of sodium channels
C) Inactivation of potassium channels
D) Activation of potassium channels.
Answer is A
4)Conus medullaris is located at which point?
A) L1-L2
B)L3-L4
C) L5-L6
D) S1
Answer is A
5) impulse from receptor neuron to relay neuron in a spinal cord is transmitted through;
A) interneuron
B) effector neuron
C) afferent neuron
D) synapses
Answer is D
6) medulla oblongata in the brain is present below;
A) thalamus
B) cerebellum
C) hypothalamus
D) frontal cortex.
Answer is B
7) neurotransmiltter release is mediated by which ion?
A) calcium
B) chloride
C)potassium
D) sodium
Answer is A
8) which of the following is responsible for maintaing sleep wake cycle?
A) Ascending reticular activating system
B) Descending reticular pathways
C) Cerebrum
D) spinal cord
Answer is A
9) The cavities containing CSF in the brain is called as;
A) ventricles
B) sulcus
C) gyrus
D) foramen
Answer is A
10) Agnosia is condition in which;
A) Loss of taste occurs
B) Loss of hearing occurs
C) loss of muscular ability
D) Both A and B
Answer is D
11) Babinski sign is used to test for;
A) Gait
B) Taste
C)Reflexes
D)Eyes
Answer is C
12)Posterior spinothatamic tract is a sensory tract for which of the following?
A) Light touch and pressure
B)Pain and temperature
C) proprioception
D) Both A and B
Answer is B
13) which area will be associated with changes in personality?
A) Broca's area
B) frontal area
C) temporal area
D) occipital area
Answer is B
14) Lesion in which of the following area will cause athetosis type movements?
A) Basal ganglia
B) midbrain
C) cerebrum
D) Cerebellum
Answer is A
15) The lesion in which part of the brain will cause parkinson's disease?
A) pons
B) cerebrum
C)basal ganglia
D) spinal cord
Answer is C
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.