Receptors used to detect taste are known as - (1) Gustatory receptors (2) Olfactory receptors (3) Nerve cell receptors (4) All of the above

Receptors used to detect taste are known as - (1) Gustatory receptors (2) Olfactory receptors (3) Nerve cell receptors (4) All of the above
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(1) Gustatory receptors Explanation: Gustatory receptors detect taste while olfactory receptors detect smell. Nerve cell receptors detect temperature etc.
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There are some substances whose odor changes in acidic or basic media. These are called - (1) Olfactory indicators (2) Litmus indicator (3) Gustatory indicators (4) All of the above

Description : There are some substances whose odor changes in acidic or basic media. These are called - (1) Olfactory indicators (2) Litmus indicator (3) Gustatory indicators (4) All of the above

Last Answer : (1) Olfactory indicators Explanation: An Olfactory indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution. Onion , clove oil and vanilla extract are examples.

Do olfactory receptors show adaptation to smells why is this important?

Description : Do olfactory receptors show adaptation to smells why is this important?

Last Answer : Need answer

Define olfactory nerve?

Description : Define olfactory nerve? 

Last Answer : Nerve cells pass the messages to the brain through the olfactory nerve  

The part of skull that includes the cranium, olfactory capsules, and optic capsulers is known as

Description : The part of skull that includes the cranium, olfactory capsules, and optic capsulers is known as

Last Answer : The part of skull that includes the cranium, olfactory capsules, and optic capsulers is known ... B. Dermocranium C. Neurocranium D. Cranium

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

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

Afferent nerve fibres carry impulses from (a) effector organs to CNS(b) receptors to CNS (c) CNS to receptors (d) CNS to muscles.

Description : Afferent nerve fibres carry impulses from (a) effector organs to CNS (b) receptors to CNS (c) CNS to receptors (d) CNS to muscles.

Last Answer : (b) receptors to CNS

Myasthenia Gravis is characterized by Options: 1) Decrease in acetylcholine reserve in motor nerve terminal 2) Decrease in dopamine reserve in motor nerve terminal 3) Decrease in receptors for acetylcholine 4) Decrease in dopamine receptors

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Last Answer : Correct Answer: 3) Decrease in receptors for acetylcholine

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 noradrenaline which acts as a false transmitter in peripheral adrenergic nerve endings D. Activating vascular dopamine receptors

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

Rapid intravenous injection of clonidine causes rise in BP due to: A. Stimulation of vasomotor centre B. Release of noradrenaline from adrenergic nerve endings C. Agonistic action on vascular α2 adrenergic receptors D. Cardiac stimulation

Description : Rapid intravenous injection of clonidine causes rise in BP due to: A. Stimulation of vasomotor centre B. Release of noradrenaline from adrenergic nerve endings C. Agonistic action on vascular α2 adrenergic receptors D. Cardiac stimulation

Last Answer : C. Agonistic action on vascular α2 adrenergic receptors

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

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Last Answer : D. Blockade of muscarinic autoreceptors on vagal nerve endings

The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of acetylcholine released from motor nerve endings to a wider area activating neighbouring receptors C. Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above

Description : The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of ... Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above

Last Answer : D. All of the above

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

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Last Answer : C. Are present on vascular endothelium which has no cholinergic nerve supply

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

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

The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of acetylcholine released from motor nerve endings to a wider area activating neighbouring receptors C. Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above

Description : The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of ... Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above

Last Answer : D. All of the above

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

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

How to get over Olfactory Reference Syndrome?

Description : How to get over Olfactory Reference Syndrome?

Last Answer : This doesn’t make sense to me. :\

How many times more is the olfactory power of a dog than that of a human ?

Description : How many times more is the olfactory power of a dog than that of a human ?

Last Answer : Dogs have 27,000 times more sense of smell than humans .

Who can diagnose olfactory sensations ?

Last Answer : Smell sensations can be determined using an alphactometer.

Olfactory Epithelium (Scheneidarian membrane) is composed of : -

Description : Olfactory Epithelium (Scheneidarian membrane) is composed of : -

Last Answer : Olfactory Epithelium (Scheneidarian membrane) is composed of : - A. Neuro sensory Epitheelium ... C. Simple cuboidal D. Germinal Epithelium

What is a song with good olfactory imagery?

Description : What is a song with good olfactory imagery?

Last Answer : Need answer

The olfactory nerves affect what sense in brain? A. Smell (Answer) B. Feel C. Touch D. Hear

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The optic chiasm: a. forms the floor of the recess of the third ventricle b. is inferior to the medial root of the olfactory tract c. has the internal carotid artery as its immediate lateral relation d. all above

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Last Answer : all above

Bowman’s glands are found in (a) juxtamedullary nephrons (b) olfactory epithelium (c) external auditory canal (d) cortical nephrons only

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Last Answer : (b) olfactory epithelium

Bowman’s glands are located in the (a) anterior pituitary (b) female reproductive system of cockroach (c) olfactory epithelium of our nose (d) proximal end of uriniferous tubules.

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_____ which are free-living trophozoites appear to enter the body through the mucous membranes of the nose and then follow the olfactory tracts to the brain. a. NaegleriaLeishmania b. Giardia c. Babesia

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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

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The cranial nerve that is responsible for salivation, tearing, taste, and sensation in the ear is the _____________________ nerve. a) vestibulocochlear The vestibulocochlear (VII) cranial nerve is responsible for hearing and equilibrium.

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How does one detect an atom?

Description : How does one detect an atom?

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Which of the following devices can be used to detect radiant heat? (1) Liquid thermometer (2) Six's maximum and minimum thermometer (3) Constant volume air thermometer (4) Thermopile

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Which of the following devices can be used to detect radiant heat ? (1) Liquid thermometer (2) Six’s maximum and minimum thermometer (3) Constant volume air thermometer (4) Thermopile

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According to which theory is the given statement correct ? Statement. B and T cells having receptors for self antigens, undergo programmed cell death

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SRP receptors involved in protein export are present on (A) Ribosomes (B) Endoplasmic reticulum (C) Golgi appartus (D) Cell membrane

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Receptors for thyroid hormones are present (A) On the cell membrane (B) Across the cell membrane (C) Inside the cells (D) In association with G-proteins

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Hormone receptors possess all the following properties except (A) All of them are proteins (B) They possess a recognition domain (C) They bind hormones with a high degree of specificity (D) Number of receptors in a target cell is constant

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Most hormone receptors are localized on the cell membrane and transduce hormone binding into altered levels of intracellular messengers. A limited number of intracellular receptors do exist. Which of the following statement(s) is/are true concerning intracellular receptors? a. The messengers or hormones must by lipophilic b. These intracellular receptors generally regulate protein synthesis c. The intracellular receptors are located entirely in the nucleus of the cell d. A heat-shock protein serves as an inhibitor protein blocking the DNA-binding domain of the steroid receptor

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With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the formation of red blood cell membranes. 3) Chylomicrons are synthesized in the liver. 4) HDL is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

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With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the formation of red blood cell membranes. 3) Chylomicrons are synthesized in the liver. 4) HDL is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

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With regard to the autonomic nervous system: a. the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves b. the preganglionic sympathetic fibres are usually longer than preganglionic parasympathetic fibres c. acetylcholine is the neurotransmitter at the ganglia of both sympathetic and parasympathetic nervous system d. botulin toxin blocks acetylcholine receptors

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Last Answer : the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves

Which of the following receptors does not span the cell membrane 7 times a. β-Adrenergic receptor b. Rhodopsin c. 5-HTic receptor d. Mineralocorticoid receptor

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Last Answer : Mineralocorticoid receptor

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Description : What is correct to say about the hormone action in humans? (a) Glucagon is secreted by β-cells of islets of Langerhans and stimulates glycogenolysis. (b) Secretion of thymosins is stimulated ... receptors on ovarian cell membrane. (d) FSH stimulates the secretion of estrogen and progesterone.

Last Answer : (c) In females, FSH first binds with specific receptors on ovarian cell membrane.

TH2 cells bind to a. MHC-11/peptide complex on APC cells. b. B cell receptors. c. MHc-1/etid complex on infected cells. d. MHC-11/peptide complex on B cells.

Description : TH2 cells bind to a. MHC-11/peptide complex on APC cells. b. B cell receptors. c. MHc-1/etid complex on infected cells. d. MHC-11/peptide complex on B cells.

Last Answer : d. MHC-11/peptide complex on B cells.

Clonal selection includes a. Antigen-receptor binding on B cells. b. Antibody secretion recognizing same epitope as on B cell receptors. c. Differentiation of B cells into plasma cells and memory cells. d. All the above (A—C) are correct.

Description : Clonal selection includes a. Antigen-receptor binding on B cells. b. Antibody secretion recognizing same epitope as on B cell receptors. c. Differentiation of B cells into plasma cells and memory cells. d. All the above (A—C) are correct.

Last Answer : d. All the above (A—C) are correct.

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Last Answer : C.recognize peptides associated with MHC class II molecules