What Axons from ganglion cells make up?

What Axons from ganglion cells make up?
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The axons of the Purkinje cells in the cerebellar cortex: a. terminate in excitatory synapses b. terminate in cerebellar nuclei c. terminate in the spinal cord. d. form the main efferent pathway from the cerebellar cortex

Description : The axons of the Purkinje cells in the cerebellar cortex: a. terminate in excitatory synapses b. terminate in cerebellar nuclei c. terminate in the spinal cord. d. form the main efferent pathway from the cerebellar cortex

Last Answer : terminate in cerebellar nuclei

Which of the following types of cells have a latent ability to regenerate? a) Stable Stable cells have a latent ability to regenerate if they are damaged or destroyed and are found in the kidney, liver, and pancreas, among other body organs. b) Labile Labile cells multiply constantly to replace cells worn out by normal physiologic processes. c) Permanent Permanent cells include neurons — the nerve cell bodies, not their axons. Destruction of a neuron causes permanent loss, but axons may regenerate. d) Epithelial Epithelial cells are a type of labile cell that multiply constantly to replace cells worn out by normal physiologic processes.

Description : Which of the following types of cells have a latent ability to regenerate? a) Stable Stable cells have a latent ability to regenerate if they are damaged or destroyed and are found in the ... a type of labile cell that multiply constantly to replace cells worn out by normal physiologic processes.

Last Answer : a) Stable Stable cells have a latent ability to regenerate if they are damaged or destroyed and are found in the kidney, liver, and pancreas, among other body organs.

Pattern ERG (PERG): a. tests the function of the ganglion cells b. uses a checkered board pattern that changes in luminance c. gives the same information as visual evoked response (VER) d. is abnormal in glaucoma

Description : Pattern ERG (PERG): a. tests the function of the ganglion cells b. uses a checkered board pattern that changes in luminance c. gives the same information as visual evoked response (VER) d. is abnormal in glaucoma

Last Answer : is abnormal in glaucoma

The following cells contribute the wavefronts of the flash ERG: a. retinal pigment epithelium b. corneal endothelium c. photoreceptors d. ganglion cell

Description : The following cells contribute the wavefronts of the flash ERG: a. retinal pigment epithelium b. corneal endothelium c. photoreceptors d. ganglion cell

Last Answer : photoreceptors

The following are true: a. the ratio of rod to cone is about 20:1 b. there are more ganglion cells in the retina than photoreceptors c. the rod density is the highest nasal to the optic disc d. the retinal artery is the main supply of nutrients to the photoreceptors

Description : The following are true: a. the ratio of rod to cone is about 20:1 b. there are more ganglion cells in the retina than photoreceptors c. the rod density is the highest nasal to the optic disc d. the retinal artery is the main supply of nutrients to the photoreceptors

Last Answer : the ratio of rod to cone is about 20:1

The following are true about electroretinogram: a. the a-wave is produced by the photoreceptors b. the b-wave is produced by the ganglion cells c. c-wave is produced by the retinal pigment epithelium d. different light frequencies can be used to separate rod and cone respons

Description : The following are true about electroretinogram: a. the a-wave is produced by the photoreceptors b. the b-wave is produced by the ganglion cells c. c-wave is produced by the retinal pigment epithelium d. different light frequencies can be used to separate rod and cone respons

Last Answer : he a-wave is produced by the photoreceptors

The following are true about electroretinogram: a. the a-wave is produced by the photoreceptors b. the b-wave is produced by the ganglion cells c. c-wave is produced by the retinal pigment epithelium d. different light frequencies can be used to separate rod and cone response

Description : The following are true about electroretinogram: a. the a-wave is produced by the photoreceptors b. the b-wave is produced by the ganglion cells c. c-wave is produced by the retinal pigment epithelium d. different light frequencies can be used to separate rod and cone response

Last Answer : the a-wave is produced by the photoreceptors

The following are true about electro-retinography? a. flicker ERG can be used to test cone function b. ERG is normal in patient with macular degeneration c. the a-wave of ERG is produced by the ganglion cells d. the b-wave is produced by the photoreceptor cell

Description : The following are true about electro-retinography? a. flicker ERG can be used to test cone function b. ERG is normal in patient with macular degeneration c. the a-wave of ERG is produced by the ganglion cells d. the b-wave is produced by the photoreceptor cell

Last Answer : flicker ERG can be used to test cone function

Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer

Description : Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer 

Last Answer : ANSWER: A

What is the difference between Myelinated and Non-myelinated axons? -Biology

Description : What is the difference between Myelinated and Non-myelinated axons? -Biology

Last Answer : answer:

What is the difference between Dendrites and Axons? -Biology

Description : What is the difference between Dendrites and Axons? -Biology

Last Answer : answer:

How many axons does 1 neuron have ?

Last Answer : 1 neuron has 1 action.

The white matter present in the brain and spinal cord consists of (a) neuroglia (b) myline sheath (c) terminal arborizations of axons (d) cellular sheath of Schwann

Description : The white matter present in the brain and spinal cord consists of (a) neuroglia (b) myline sheath (c) terminal arborizations of axons (d) cellular sheath of Schwann

Last Answer : Ans:(b)

What are the fatty covering of some axons called?

Description : What are the fatty covering of some axons called?

Last Answer : Myelin sheath

In the neurones: a. the axons convey impulse away from the cell body b. neurotransmitters are synthesized in the cell bodies and then transported to the axons c. the condition velocity increases with fibre diameter d. the excitability is increased if the extracellular calcium concentration is decreased

Description : In the neurones: a. the axons convey impulse away from the cell body b. neurotransmitters are synthesized in the cell bodies and then transported to the axons c. the condition ... with fibre diameter d. the excitability is increased if the extracellular calcium concentration is decreased

Last Answer : the axons convey impulse away from the cell body

Microfilaments may assist a. in the movement of fibroblasts in heart b. growth of axons c. contraction of all muscle d. all

Description : Microfilaments may assist a. in the movement of fibroblasts in heart b. growth of axons c. contraction of all muscle d. all

Last Answer : all

Which of the following is regarded as a unit of nervous tissue? (a) Neurons (b) Myelin sheath (c) Axons (d) Dendrites

Description : Which of the following is regarded as a unit of nervous tissue? (a) Neurons (b) Myelin sheath (c) Axons (d) Dendrites

Last Answer : (a) Neurons

Receptor sites for neurotransmitters are present on (a) pre-synaptic membrane (b) tips of axons (c) post-synaptic membrane (d) membranes of synaptic vesicles.

Description : Receptor sites for neurotransmitters are present on (a) pre-synaptic membrane (b) tips of axons (c) post-synaptic membrane (d) membranes of synaptic vesicles.

Last Answer : (c) post-synaptic membrane

Write down the role of axons?

Description : Write down the role of axons?

Last Answer : Axons are organelles that carry information away from the cell body. Axons may be as small as several microns or as long as several meters in giraffes and whales. The axons main job is to send a ... only one axon, but the axon may have branches with what are called terminal buttons at its end.

In artificial Neural Network interconnected processing elements are called A. nodes or neurons B. weights C. axons D. Soma

Description : In artificial Neural Network interconnected processing elements are called A. nodes or neurons B. weights C. axons D. Soma

Last Answer : A. nodes or neurons

Receptor sites for neurotransmitters are present on : (1) Pre-synaptic membrane (2) Tips of axons (3) Post-synaptic membrane (4) Membrane of synaptic vesicles

Description : Receptor sites for neurotransmitters are present on : (1) Pre-synaptic membrane (2) Tips of axons (3) Post-synaptic membrane (4) Membrane of synaptic vesicles

Last Answer : (3) Post-synaptic membrane

Myelin sheaths are found: a) surrounding tendons b) covering the brain c) covering muscles d) around axons of neurons

Description : Myelin sheaths are found: a) surrounding tendons b) covering the brain c) covering muscles d) around axons of neurons

Last Answer : ANSWER: D -- AROUND AXONS OF NEURONS

In most axons, the myelin sheath is interrupted at intervals of about 1 millimeter or more. These interruptions are called the: a) glial b) nodes of Ranvier (pron: ron-vee-ay) c) collaterals d) nodes of Babinet

Description : In most axons, the myelin sheath is interrupted at intervals of about 1 millimeter or more. These interruptions are called the: a) glial b) nodes of Ranvier (pron: ron-vee-ay) c) collaterals d) nodes of Babinet

Last Answer : ANSWER: B -- Nodes of Ranvier

Following is an antagonist of ganglion type nicotinic receptors (a) Tubercurarine (b) a-bungarotoxin (c) Trimethaphan (d) All of the above

Description : Following is an antagonist of ganglion type nicotinic receptors (a) Tubercurarine (b) a-bungarotoxin (c) Trimethaphan (d) All of the above

Last Answer : Ans: C

Parasympathetic ganglia include: a. Gasserian ganglion b. otic ganglion c. stellate ganglion d. celiac ganglion

Description : Parasympathetic ganglia include: a. Gasserian ganglion b. otic ganglion c. stellate ganglion d. celiac ganglion

Last Answer : otic ganglion

The effect of stellate ganglion block include: a. anhydrosis b. dilated conjunctival vessels c. ptosis d. all above

Description : The effect of stellate ganglion block include: a. anhydrosis b. dilated conjunctival vessels c. ptosis d. all above

Last Answer : all above

The following are true about pupillary reaction to light: a. it is impaired in damage of the Edinger-Westphal nucleus b. it is impaired in damage of the ciliary ganglion c. it is impaired in damage of the superior cervical ganglion d. the pupil does not respond to light with a frequency of greater than 5 H

Description : The following are true about pupillary reaction to light: a. it is impaired in damage of the Edinger-Westphal nucleus b. it is impaired in damage of the ciliary ganglion c. it is impaired in ... cervical ganglion d. the pupil does not respond to light with a frequency of greater than 5 H

Last Answer : the pupil does not respond to light with a frequency of greater than 5 H

Ablation of the stellate ganglion cuases: a. dilatation of the ipsilateral pupil b. vasodilatation of the ipsilateral arm c. posteral hypotension d. loss of consensual light reflex

Description : Ablation of the stellate ganglion cuases: a. dilatation of the ipsilateral pupil b. vasodilatation of the ipsilateral arm c. posteral hypotension d. loss of consensual light reflex

Last Answer : vasodilatation of the ipsilateral arm

The light reflex involves the following structures: a. Edinger-Westphal nucleus b. ciliary ganglion c. lateral geniculate body d. oculomotor nerve

Description : The light reflex involves the following structures: a. Edinger-Westphal nucleus b. ciliary ganglion c. lateral geniculate body d. oculomotor nerve

Last Answer : Edinger-Westphal nucleus

Direct light reflex of the pupil is absent in: a. lesion of the ipsilateral ciliary ganglion. b. transaction of the ipsilateral optic nerve. c. bilateral occipital lobe lesion. d. topical application of phenylepherine.

Description : Direct light reflex of the pupil is absent in: a. lesion of the ipsilateral ciliary ganglion. b. transaction of the ipsilateral optic nerve. c. bilateral occipital lobe lesion. d. topical application of phenylepherine.

Last Answer : lesion of the ipsilateral ciliary ganglion.

The parotid gland: a. contains a fascial sheath which is innervated by second cervical nerve b. receives post-ganglionic parasympathetic nerve from the otic ganglion c. contains a duct which opens into the mouth opposite the upper canine tooth d. is composed of serous acini which contribute to the saliva e. is covered by the massenter

Description : The parotid gland: a. contains a fascial sheath which is innervated by second cervical nerve b. receives post-ganglionic parasympathetic nerve from the otic ganglion c. contains a duct which opens ... . is composed of serous acini which contribute to the saliva e. is covered by the massenter

Last Answer : contains a fascial sheath which is innervated by second cervical nerve

The ciliary ganglion: a. is found between the optic nerve and the medial rectus b. contains sympathetic nerve that supplies the sphincter pupillae c. is a parasympathetic relay ganglion for fibers from the Edinger-Westphal nucleus d. contains sensory nerve e. has a motor nerve that goes to the inferior oblique

Description : The ciliary ganglion: a. is found between the optic nerve and the medial rectus b. contains sympathetic nerve that supplies the sphincter pupillae c. is a parasympathetic relay ganglion for fibers from ... nucleus d. contains sensory nerve e. has a motor nerve that goes to the inferior oblique

Last Answer : is a parasympathetic relay ganglion for fibers from the Edinger-Westphal nucleus

Three dimensional CAT Scans reveal the cyst called ______ within the skull. a) arachnoid cyst b) epidermoid cyst c) ganglion cyst d) chalazia cyst

Description : Three dimensional CAT Scans reveal the cyst called ______ within the skull. a) arachnoid cyst b) epidermoid cyst c) ganglion cyst d) chalazia cyst

Last Answer : a) arachnoid cyst

Ganglion blocking drugs are no longer used in therapeutics because: A. They have few and weak pharmacological actions B. They produce many side effects C. They are inactive by oral route D. They have short duration of action

Description : Ganglion blocking drugs are no longer used in therapeutics because: A. They have few and weak pharmacological actions B. They produce many side effects C. They are inactive by oral route D. They have short duration of action

Last Answer : A. They have potent antiovulatory action of their own

Ganglion blocking drugs are no longer used in therapeutics because: A. They have few and weak pharmacological actions B. They produce many side effects C. They are inactive by oral route D. They have short duration of action

Description : Ganglion blocking drugs are no longer used in therapeutics because: A. They have few and weak pharmacological actions B. They produce many side effects C. They are inactive by oral route D. They have short duration of action

Last Answer : B. They produce many side effects