Description : .Which one of the following animals possesses nerve cells but no nerves? (a) Hydra (b) Tapeworm (c) Earthworm (d) Frog’s tadpole
Last Answer : (a) Hydra
Description : Which of the following statements about nerve growth factor is not true a. it is made up of 3 polypeptide subunits b. it is found in high concentration in the submaxillary salivery gland c. it is picked up by nerves from the organs they innervate d. it is present in brain
Last Answer : it is found in high concentration in the submaxillary salivery gland
Description : Do you know anyone with Diabetic Nerve damage who not only stopped its advance but whose nerves then repaired themselves and normalized?
Last Answer : answer:I was hoping someone would have an answer, as my father has nuerophathy caused by having a vein removed from his leg to do a heart bypass. He's gone to the pain clinic and tried just ... so far everything I've read about that drug suggests that it can cause permanent nerve damage. Yikes!
Description : The following cranial nerves contain parasympathetic outflow arising at the brain stem: a. optic nerve b. oculomotor nerve c. trigeminal nerve d. facial nerve
Last Answer : facial nerve
Description : In which animal, nerve cell is present but brain is absent ?
Last Answer : In which animal, nerve cell is present but brain is absent ? A. Sponge B. Earthworm C. Cockroach D. Hydra
Description : In which of the following animals nerve cell is present but brain is absent? (a) Sponge (b) Earthworm (c) Cockroach (d) Hydra
Last Answer : (d) Hydra
Description : Which is the only phylum in the animal kingdom without any nerve cell ?
Last Answer : Which is the only phylum in the animal kingdom without any nerve cell ? A. Porifera B. Coelenterata C. Annelida D. Eumetazoa
Description : Which one of the following is not a characteristic of Phylum Annelida? (a) Pseudocoelom (b) Ventral nerve cord (c) Closed circulatory system (d) Segmentation
Last Answer : (a) Pseudocoelom
Description : A 48-year-old female patient develops an acute, severe and isolated right C6 radiculopathy affecting both the motor and sensory roots. She is examined in an EMG clinic 3 weeks after the onset of ... to be depressed or absent. E. Voluntary motor unit activity may be absent in the right biceps.
Last Answer : Ans: A
Description : Increased intracranial pressure causes: a. sixth nerve palsy b. cupping of the optic disc c. absent venous pulsation d. increased cerebral blood flow
Last Answer : absent venous pulsation
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.
Description : Which of the following characters is absent in all chordates? (a) Diaphragm (b) Coelom (c) Pharyngeal gill clefts (d) Dorsal nerve cord
Last Answer : (a) Diaphragm
Description : Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent in almost all plant cell.
Last Answer : Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent ... D. If both Assertion & Reason are false.
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.
Description : What does this mean Stimulation of the receptor cells causes the stimulates the dendrites of the sensory nerves wrapped around the receptor cells and impulses from the taste bud are transmitted to the brain?
Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want
Description : Reflex actions are controlled by – (1) the Brain (2) the Spinal Chord (3) the Nerves (4) the Cells
Last Answer : (2) the Spinal Chord Explanation: Reflex actions are automatic, rapid and spontaneous and we do not have control over such actions. These are controlled by the spinal cord. They are not controlled by the brain.
Description : Reflex actions are controlled by (1) the Brain (2) the Spinal Chord (3) the Nerves (4) the Cells
Last Answer : the Spinal Chord
Description : The following are true about the autonomic nervous system: a. the postganglionic neurones are largely unmyelinated b. all preganglionic neurones are cholinergic c. the preganglionic neurones of ... parasympathetic nervous system d. the parasympathetic outflow is only found in the cranial nerves
Last Answer : the postganglionic neurones are largely unmyelinated
Description : Stinging cells are a characteristic of members of this phylum.?
Last Answer : cnidaria
Description : Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of Phylum (a) Mollusca (b) Protozoa (c) Coelenterata (d) Porifera.
Last Answer : (d) Porifera.
Description : Golgi apparatus is absent in (a) Higher plants (b) Yeast (c) Bacteria and blue-green algae (d) Liver cells
Last Answer : Ans. ((c))
Description : Flagellate cells are absent in which algae?
Last Answer : Red algae
Description : The following are true about blood-brain barrier: a. it is permeable at birth b. it involves tight junction between endothelial cells and end feet processes of astrocytes c. it is absent in the posterior pituitary d. all above
Last Answer : all above
Description : The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent
Last Answer : spontaneous muscle contraction
Description : With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of ... d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal
Last Answer : the lens first appears at 27 days of gestation
Description : Which of the following structure is absent in eukaryotic cells? A- Mitochondria B- Chloroplasts C- Golgi structure D- Mesosome
Last Answer : Mesosome
Description : In which phylum is water vascular system found
Last Answer : In which phylum is water vascular system found A. Protozoa B. Arthropoda C. Porifera D. Echinodermata
Description : Is the nervous system in platyhelminthes more or less sophisticated than in cnidarians? What are the main neural structures found in flatworms? How is this neural organization important for the diversity of biological niches explored by species of the phylum?
Last Answer : Platyhelminthes present a more sophisticated nervous system than cnidarians, as the first neural chords with ganglia (grouping of neurons) appear, a characteristic of the evolutionary process of ... that are parasites and those that are free-living. Image Diversity: platyhelminth nervous system
Description : What are the main classes into which the phylum is divided? What are some examples of each and in which form (polyp or medusae) are they found?
Last Answer : Coelenterates are divided into three main classes: hydrozoans, scyphozoans and anthozoans. In hydrozoans the polypoid form predominates and examples are hydras, by-the-wind-sailors and Obelia. ... corals and sea anemones are notable in this group. Image Diversity: hydrozoans scyphozoans anthozoans
Description : A burn which involves 2 layers of the skin and estroys the nerves and blood vessels, but does not go down to muscle or bone is a A. first-degree burn B. second-degree burn C. third-degree burn D. full-thickness burn
Last Answer : Ans: B
Description : Berry aneurysm: a. is a congenital disorder. b. is found most commonly in the posterior portion of the circle of Willis. c. is symptomatic in majority of patients. d. has absent intima elastica
Last Answer : is a congenital disorder
Description : The fossils found in the tar pits of Rancho La Bre in Los Angeles included all of the following EXCEPT one. Which one was absent? w) saber-toothed cat x) dire wolf y) wooly mammoth z) giant ground sloth
Last Answer : ANSWER: Y -- WOOLY MAMMOTH
Description : In mammalian eye, the ‘fovea’ is the center of the visual field, where (a) only rods are present (b) more rods than cones are found (c) high density of cones occur, but has no rods (d) the optic nerve leaves the eye.
Last Answer : (c) high density of cones occur, but has no rods
Description : How many nerve cells are destroyed and brain power is lost ?
Last Answer : When one-fourth of the nerve cells are destroyed, the capacity of the brain starts to decline.
Description : What is meant by nerve cells ?
Last Answer : The unit of structure and function of the nervous system is called a neuron. Nerve cells are the longest cells in the human body. Nerve cells consist of two main parts. Namely- 1. Cell body 2. The elongated part.
Description : What is the function of nerve cells ?
Last Answer : Nerve cells produce reports with stimuli collected in sensory cells. They coordinate the work of different cells in the body.
Description : What is the number of nerve cells in the brain ?
Last Answer : 10000 million
Last Answer : The number of nerve cells in the brain is 10000 million
Description : Cells which envelop nerve fibres and form myelin sheath around the axon are
Last Answer : Cells which envelop nerve fibres and form myelin sheath around the axon are
Description : What is specialized nerve cells in the brain are called?
Last Answer : Feel Free to Answer
Description : Which nutrient maintains healthy nerve cells and red blood cells and is needed to help make?
Last Answer : Vitamin B12
Description : Which of the following statement(s) is/are true concerning the cell plasma membrane? a. The plasma membrane is composed of amphipathic molecules b. The hydrophobic core of the lipid bilayer of the ... contribute to the cell coat d. The membrane proteins of nerve cells are highly voltage-dependent
Last Answer : Answer: a, b, d The plasma membrane defines the boundary of the cell and serves to contain and concentrate enzymes and other macromolecule constituents. The plasma membrane is ... and bear carbohydrate moieties primarily as oligosaccharide chains that contribute to the cell coat or glycocalyx
Description : Muscarinic cholinergic receptors (a) Are located only on parasympathetically innervated effector cells (b) Mediate responses by opening an instrinsic Na+ ion channel (c) Are present on vascular endothelium which has no cholinergic nerve supply (d) Predominate in the autonomic ganglia
Last Answer : Ans: C
Description : Drugs that block the a receptor on effector cells at adrenergic nerve endings (a) Antagonize the effects of isoproterenol on the heart rate (b) Antagonize some of the effects of epinephrine on ... the effects of epinephrine on adenylyl cyclase (d) Cause mydriasis (e) Decreases blood glucose levels
Description : Which of the following cells secrete insulin? (1) Alpha cells (2) Delta cells (3) Nerve cells (4) Beta cells
Last Answer : (4) Beta cells Explanation: Insulin is a hormone that is exclusively produced by pancreatic beta cells. Beta cells are located in the pancreas in clusters known as the islets of ... appropriately stimulated, insulin is secreted from the cell by exocytosis and diffuses into islet capillary blood.
Description : What are the basic units from which human spare parts can be created? (1) Nerve cells (2) Stern cells (3) Heart cells (4) Kidney cells
Last Answer : (2) Stern cells Explanation: Stem cells are biological cells found in all multicellular organisms, that can divide (through mitosis) and differentiate into diverse specialized cell types and ... characteristics consistent with cells of various tissues such as muscles or nerves through cell culture.
Description : Alzheimer’s disease in human beings is characterized by the degeneration of ---- A. Kidney cells B. Nerve cells (Answer) C. Liver cells D. Spleen cells
Last Answer : B. Nerve cells (Answer)
Description : Research scientists all over the world are taking steps towards building computers with circuits patterned after the complex interconnections existing among the human brain's nerve cells. What name ... ? a) Intelligent computers b) Supercomputers c) Neural network computers d) Smart computers
Last Answer : c) Neural network computers