Assertion `:` If all external nerve supplies to a human heart are cut there will be no effect on the heart beat. Reason `:` Human heart is a myogenic

1 Answer

Answer :

Assertion `:` If all external nerve supplies to a human heart are cut there will be no effect on ... False. D. If both Assertion & Reason are false.

Related questions

Description : The heart beat of which animal is myogenic in nature

Last Answer : The heart beat of which animal is myogenic in nature A. Cockroach B. Leech C. Elephant D. All of these

Description : The heart beat of which animal is myogenic in nature

Last Answer : The heart beat of which animal is myogenic in nature A. Cockroach B. Leech C. Elephant D. All of these

Description : Frog's heart when taken out of the body continues to beat for sometime. Select the best option from the following statements. (1) Frog is a poikilotherm. (2) Frog does not have any coronary circulation. (3) Heart is myogenic in nature. ... (a) Only (4) (b) (1) and (2) (c) (3) and (4) (d) Only (3)

Last Answer : (c) (3) and (4)

Description : Frog's heart when taken out of the body continues to beat for sometime. Select the best option from the following statements. (a) Frog is a poikilotherm. (b) Frog does not have any coronary circulation. (c) Heart is "myogenic" in ... Options: (1) Only(d) (2) (a) and (b) (3) (c)and(d) (4) Only(c)

Last Answer : (3) (c)and(d)

Description : If parasympathetic nerve of the rabbit is cut then heart beat

Last Answer : If parasympathetic nerve of the rabbit is cut then heart beat A. Unaffected B. Decreases C. Increases D. Stop

Description : Heart beat is controlled by which cranical nerve `:-`

Last Answer : Heart beat is controlled by which cranical nerve `:-` A. `X^(th)` B. `IX^(th)` C. `III^(rd)` D. `V^(th)`

Description : "Sodium Pump" operates in - (1) Muscle contraction (2) Heart beat (3) Nerve impulse (4) None of the above

Last Answer : (3) Nerve impulse Explanation: Na+/K+-ATPase (also known as sodium-potassium pump) is an enzyme located in the plasma them brane of virtually every human cell and is common to all cellular ... are voltagegated, which means that they can open and close depending on the voltage across the membrane.

Description : Impulse of heart beat originates from (a) SA node (b) AV node (c) vagus nerve (d) cardiac nerve

Last Answer : (a) SA node

Description : “Sodium Pump” operates in (1) Muscle contraction (2) Heart beat (3) Nerve impulse (4) None of the above

Last Answer : Nerve impulse

Description : Assertion `:` Neural signals through the sympathetic nerves can increase the rate of heart beat, the strength fo ventriculrar contraction and thereby

Last Answer : Assertion `:` Neural signals through the sympathetic nerves can increase the rate of heart beat, the ... D. If both Assertion & Reason are false.

Description : Assertion : The contraction and relaxation of muscle fiber are controlled by nerve impulses. Reason : The threshold stimulus is the minimum stimulus r

Last Answer : Assertion : The contraction and relaxation of muscle fiber are controlled by nerve impulses. Reason : ... D. If both Assertion and Reason are false.

Description : Assertion: The term biology ws coined by Lamarck and Travernis. Reason: Morphology deals with the external form and structure of organisms.

Last Answer : Assertion: The term biology ws coined by Lamarck and Travernis. Reason: Morphology deals with the external form ... D. If both As and R are wrong.

Description : Assertion A flexeble wire loop of irregular shape carrying current when placed in a uniform external magnetic field acquires a circular shape. Reason

Last Answer : Assertion A flexeble wire loop of irregular shape carrying current when placed in a uniform external ... circular shape is having the greatert area.

Description : The nasociliary nerve supplies: a. the sphenoidal sinus b. ethmoidal sinus c. cornea d. lacrimal sac e. all above

Last Answer : all above

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

Description : What is NOT CORRECT in regard to the lingual nerve: A. It is posterior and medial to the inferior alveolar nerve B. It passes close to the mandibular 3rd molar C. It may be anaesthetised by the ... nerve block D. It provides supply to the lingual gingiva E. Supplies anterior 2/3 of the tongue

Last Answer : A. It is posterior and medial to the inferior alveolar nerve

Description : What is not correct about Long Buccal Nerve:** A. Passes through two heads of pterygoids muscles B. Supplies mucosa over lower and upper molars C. Supplies the buccinator muscle D. Supplies skin over buccinator

Last Answer : C. Supplies the buccinator muscle

Description : Posterior superior alveolar nerve supplies:** A. 8, 7 and 6 except the mesio buccal root of 6 B. 8, 7 and 6

Last Answer : A. 8, 7 and 6 except the mesio buccal root of 6

Last Answer : Answer : The normal range of a child is 150 to 180 bits per minute so; 150 multiply 60 minutes multiply 24 h = 216000 bits per day . 75 per minutes so, 75 multiply 60 minutes multiply 24 hours = 108000 bits per day

Description : In human foetus , the heart begins to beat at developmental age of :

Last Answer : In human foetus , the heart begins to beat at developmental age of : A. 4th week B. 3rd week C. 6th week D. 8th week

Description : What is the average heart beat per minute in a normal adult human being?

Last Answer : 72

Description : What is the average heart-beat in a human body per minute?

Last Answer : 72.

Description : The nurse auscultates the apex beat at which of the following anatomical locations? a) Fifth intercostal space, midclavicular line The left ventricle is responsible for the apex beat or the point of ... of the xiphoid process will detect gastrointestinal sounds, but not the apex beat of the heart.

Last Answer : a) Fifth intercostal space, midclavicular line The left ventricle is responsible for the apex beat or the point of maximum impulse, which is normally palpable in the left midclavicular line of the chest wall at the fifth intercostal space.

Description : How much average heart beat occurs in per minute in human

Last Answer : 72 time

Description : Assertion (A): A person who has received a cut and is bleeding needs to be given antitetanus treatment. Reason(R): Antitetanus injection provides immu

Last Answer : Assertion (A): A person who has received a cut and is bleeding needs to be given antitetanus ... D. If both the assertion and reason are false

Description : Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing. Reason R: If the angle of swing is decreased, the cycle time will be decreased. Select the ... explanation of A (C) A is true but R is false (D) A is false but R is true

Last Answer : (A) Both A and R is true and R is the correct explanation of A

Description : Diploid cell in human, where cell division does not occur :- (a) Heart cell (b) Muscle cell ( c ) Nerve cell

Last Answer : Diploid cell in human, where cell division does not occur :- (a) Heart cell (b) Muscle cell ( c ) Nerve cell A. ... b and c C. a and c D. a, b and c

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 : What are the basic units from which human spare parts can be created? (1) Nerve cells (2) Stem cells (3) Heart cells (4) Kidney cells 

Last Answer : Stem cells

Description : Assertion `:-` An increase in blood flow to the atria of heart can cause the release of ANF. Reason `:-` ANF can cause vasodilation and decrease the B

Last Answer : Assertion `:-` An increase in blood flow to the atria of heart can cause the release of ANF. ... False. D. If both Assertion & Reason are false.

Description : Assertion`:` Atherosclerosis affects the vessels that supply blood to the heart muscle. Reason`:` It is caused by deposits of calcium, fat, chalestero

Last Answer : Assertion`:` Atherosclerosis affects the vessels that supply blood to the heart muscle. Reason`:` It is ... D. If both Assertion & Reason are false.

Description : Assertion `:` First heart sound (LUBB) is produced at the beginning fo ventricular systole stage. Reason `:` During ventricular systole semilunar valv

Last Answer : Assertion `:` First heart sound (LUBB) is produced at the beginning fo ventricular systole stage. Reason ... D. If both Assertion & Reason are false.

Description : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open spaces or body cavities called sinuses. Reason

Last Answer : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open ... D. If both Assertion & Reason are false.

Description : Assertion `:` In joint diastole, all the four chamber of heart are in relaxed state. Reason `:` The tricuspid and bicuspid valves are open and semilun

Last Answer : Assertion `:` In joint diastole, all the four chamber of heart are in relaxed state. Reason `:` ... False. D. If both Assertion & Reason are false.

Description : Assertion `:` Systolic pressure is higher then diastolic pressure. Reason `:` Arteries contract during systole of heart.

Last Answer : Assertion `:` Systolic pressure is higher then diastolic pressure. Reason `:` Arteries contract during ... D. If both Assertion & Reason are false.

Description : Assertion `:` Though AV node generates impulses, it is still not called as the pacemaker of heart. Reason `:` The rythmicity of impulse production is

Last Answer : Assertion `:` Though AV node generates impulses, it is still not called as the pacemaker of heart. ... . D. If both Assertion & Reason are false.

Description : In performing an assurance engagement, a professional accountant typically a. Provides management consulting advice. b. Supplies litigation support services. c. Assesses control risk at a low level. d. Expresses a conclusion about an assertion

Last Answer : Expresses a conclusion about an assertion

Description : Assertion `:-` The primary function of sweat is to facilitate a cooling effect on the body surface. Reason `:-` Small amount of nitrogenous wastes cou

Last Answer : Assertion `:-` The primary function of sweat is to facilitate a cooling effect on the body surface. ... . D. If both Assertion & Reason are false.

Description : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio of `CO_(2)` allow dissociation of oxyhaemoglobin.

Last Answer : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio ... False. D. If both Assertion & Reason are false.

Description : Assertion :- The original drifted population in new habitat becomes founder and the effect is called founder effect. Reason :- Darwin finches of Galap

Last Answer : Assertion :- The original drifted population in new habitat becomes founder and the effect is called ... D. If both Assertion & Reason are false.

Description : Assertion : Thyroxine shows calorigenic effect. Reason : Thyroxine shows calorigenic effect. Reason : Thyroxine increases catabolism, produces energy

Last Answer : Assertion : Thyroxine shows calorigenic effect. Reason : Thyroxine shows calorigenic effect. Reason : ... If both Assertion and Reason are false.

Description : Assertion: In acute constipation, purgative containing magnesium salts are generally used. Reason: The osmotic effect of `Mg^(2+)` in the intestinal l

Last Answer : Assertion: In acute constipation, purgative containing magnesium salts are generally used. Reason: The osmotic ... `Mg^(2+)` is absorbed very slowly

Description : Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of OH group increases the electron density on

Last Answer : Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of ... D. A is incorrect but R is correct

Description : A ‘clinical death' takes place when (a) There is no pulse (b) There is no heart beat (c) Pupils are fixed and dilated, and there is no reaction to light (d) All the above three conditions are present together

Last Answer : Ans:(d)

Description : Why do some devices have external power supplies and some do not?

Last Answer : The power supply adds bulk to the device. If you are trying to make the thing small and pretty you don’t want to add any extra bulk if you can get away with it.

Description : The conduction velocity of the nerve fibres is increased by: a. decreased temperature b. increased concentration of the external sodium ions e. increased axon diameter d. myelination

Last Answer : myelination

Description : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason `:-` Counter current mechanism

Last Answer : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate ... D. If both Assertion & Reason are false.

Description : Assertion `:` Most of the human haemoglobin in our body has `2 alph` and `2 beta` polypeptide chains. Reason `:` Haemoglobin is a conjugate protein an

Last Answer : Assertion `:` Most of the human haemoglobin in our body has `2 alph` and `2 beta` polypeptide ... False. D. If both Assertion & Reason are false.

Description : Assertion . Mast cells in human body release excessive amount of inflammatory chemicals which cause allergic reactions. Reason . Allergens in the envi

Last Answer : Assertion . Mast cells in human body release excessive amount of inflammatory chemicals which cause ... If both the assertion and reason are false