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 : Adrenaline is inactive orally because it is: A. Not absorbed from the gastrointestinal tract B. Destroyed by gastric acid C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation D. Taken up by adrenergic nerve endings of the intestinal wall, liver and lungs
Last Answer : C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation
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 : What is specialized nerve cells in the brain are called?
Last Answer : Feel Free to Answer
Description : Cases in which secondary evidence relating to documents may be given a) When the original is shown or appear to be in the possession or power of the person against whom the document is sought to be ... d) When the original is public document within the meaning of sec 74 e) All the above
Last Answer : e) All the above
Description : If a certificate is lost, stolen or destroyed before issue or from the custody of the Post Office after issue but before delivery to the holder or received from the holder and kept ... Director General, Posts indicating the circumstances under which the certificate were lost e) Al the above
Last Answer : e) Al the above
Description : If we were to get rid of the hormones within us and electrical nerve impulses of the brain, we would pretty much achieve zombie state, am I right?
Last Answer : Aren’t Zombies dead humans? We’d have to die first, no? Anyway, if we achieved zombie status, we wouldn’t know we’re in paradise so I vote no.
Description : How do signals from nerve endings retain information about their origins as they travel to the brain?
Last Answer : Harp. The answer is in the later part of your question. Each nerve has a dedicated line of transmission from the periphery to the brain. The signals travel fast owing to the fact that ... nerve ultimately signals to a specific part of the brain, which allows you to discriminate various sensations.
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 : $ Neuron means a nerve cell. ! Neurons are found in the brain.
Last Answer : $ Neuron means a nerve cell. ! Neurons are found in the brain. A. If both As and R are correct and R ... , R is wrong D. If both As and R are wrong.
Description : What As they extend from the retina to the brain the nerve fibers?
Last Answer : Need answer
Description : Which nerve carries impulses from the eye to the brain?
Last Answer : The optic nerve
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 : The pain sensation a. arises from stimulation of free nerve endings b. is transmitted to the central nervous system by unmyelinated C fibres c. is transmitted to the brain via the spinothalamic tracts d. all above
Last Answer : all above
Description : The pain sensation a. arises from stimulation of free nerve endings b. is transmitted to the central nervous system by unmyelinated C fibres c. is transmitted to the brain via the ... d. is reduced by local anaesthetics through reduction of the potassium influx into the nerve fibres
Last Answer : is transmitted to the brain via the spinothalamic tracts
Description : True statement about the facial nerve include: a its nucleus is in the floor of the fourth ventricle b. its fibres reach the surface of the brain in the cerebellopontine angle c. transmits taste fibres for the anterior half of the tongue d. all above
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 : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? ... brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.
Last Answer : (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.
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 : Methyldopa lowers BP by: A. Inhibiting dopa decarboxylase in adrenergic nerve endings B. Generating α-methyl noradrenaline in brain which reduces sympathetic tone C. Generating α-methyl ... as a false transmitter in peripheral adrenergic nerve endings D. Activating vascular dopamine receptors
Last Answer : B. Generating α-methyl noradrenaline in brain which reduces sympathetic tone
Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1 ... across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain
Last Answer : (2) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla
Description : Neuron is the name given to which special type of biological cell? a) a nerve cell b) a brain cell c) a skin cell
Last Answer : ANSWER: A -- A NERVE CELL
Description : On average red blood cells live around 120 days. The spleen is the main organ where old red blood cells are destroyed. During the red blood cell destruction the heme groups turn into bilirubin and this substance is then captured by the liver and later excreted in the bowels as part of the bile.
Last Answer : What are the functions of the spleen?
Description : Cancerous cells can easily be destroyed by radiations due to (a) rapid cell division (b) lack of nutrition (c) fast mutation (d) lack of oxygen
Last Answer : (a) rapid cell division
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 : In which phylum nerve cells are found but nerves are absent
Last Answer : In which phylum nerve cells are found but nerves are absent A. Porifera B. Coelenterata C. Platyhelminthes D. Nametohelminthes
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 : 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
Last Answer : Ans: B
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
Description : Electrolytes are especially essential to which cells. a. nerve b. muscle c. both d. none of them
Last Answer : muscle
Description : Adrenaline directly affects on (a) SA node (b) β-cells of Langerhans (c) dorsal root of spinal nerve (d) epithelial cells of stomach.
Last Answer : (a) SA node
Description : Which cells do not form layer and remains structurally separate? (a) Epithelial cells (b) Muscle cells (c) Nerve cells (d) Gland cells
Last Answer : (c) Nerve cells
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 : (CBSE 2011): A permanent slide shows thin walled isodiametric cells with a large vacuole. The slide contains: (a) Parenchyma cells (b) Nerve cells (c) Sclerenchyma cells (d) Collenchyma cells
Last Answer : (a) Parenchyma cells
Description : Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings
Last Answer : D. Blockade of muscarinic autoreceptors on vagal nerve endings
Description : Muscarinic cholinergic receptors: A. Are located only on parasympathetically innervated effector cells B. Mediate responses by opening an intrinsic Na+ ion channel C. Are present on vascular endothelium which has no cholinergic nerve supply D. Predominate in the autonomic ganglia
Last Answer : C. Are present on vascular endothelium which has no cholinergic nerve supply
Description : Sodium ions are "pumped" from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of (A) Diffusion (B) Passive transport (C) Osmosis (D) Active transport
Last Answer : (D) Active transport
Description : Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer
Last Answer : ANSWER: A