The valve used to control the back flow of digesta from ventriculus to crop is C A. Mesentronic valve B. Proctodaeal valve C. Stomodaeal valve D. Atrial valve

The valve used to control the back flow of digesta from ventriculus to crop is
C
A. Mesentronic valve
B. Proctodaeal valve
C. Stomodaeal valve
D. Atrial valve
by

1 Answer

Answer :

Stomodaeal valve
by

Related questions

Which of the following regarding the anatomy of the heart is true? A. The aortic valve is tricuspid. B. The ascending aorta is entirely outside the pericardial sac. C. The left atrial appendage is identified readily by transthoracic echocardiography. D. The pulmonary trunk lies anterior to the ascending aorta. E. The right atrium is posterior to the left atrium.

Description : Which of the following regarding the anatomy of the heart is true? A. The aortic valve is tricuspid. B. The ascending aorta is entirely outside the pericardial sac. C. The left atrial appendage is ... trunk lies anterior to the ascending aorta. E. The right atrium is posterior to the left atrium.

Last Answer : Ans: A

True statements about ECG include: a. the P-R interval corresponds to the duration of atrial systole b. the T-wave ends at the time of aortic valve closure c. the ST segment represents repolarization of the ventricles d. all

Description : True statements about ECG include: a. the P-R interval corresponds to the duration of atrial systole b. the T-wave ends at the time of aortic valve closure c. the ST segment represents repolarization of the ventricles d. all

Last Answer : all

Lidocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because (a) It has a rapidly developing and titratable antiarrhythmic action (b) It casues little myocardial depression and hypotension (c) It has broad spectrum antiarrhythmic efficacy in atrial as well as ventricular arrhythmias (d) Both (a) and (b)

Description : Lidocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because (a) It has a rapidly developing and titratable antiarrhythmic action (b) It casues ... efficacy in atrial as well as ventricular arrhythmias (d) Both (a) and (b)

Last Answer : Ans: D

Quinidine is now used primarily for (a) Conversion of auricular fibrillation to sinus rhythm (b) Control of ventricular rate in atrial flutter (c) Termination of ventricular tachycardia (d) Prevention of recurrences of atrial and ventricular extrasystoles/tachycardias

Description : Quinidine is now used primarily for (a) Conversion of auricular fibrillation to sinus rhythm (b) Control of ventricular rate in atrial flutter (c) Termination of ventricular tachycardia (d) Prevention of recurrences of atrial and ventricular extrasystoles/tachycardias

Last Answer : Ans: D

Lignocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because: A. It has a rapidly developing and titratable antiarrhythmic action B. It causes little myocardial depression and hypotension C. It has broad spectrum antiarrhythmic efficacy in atrial as well as ventricular arrhythmias D. Both ‘A’ and ‘B’ are correct

Description : Lignocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because: A. It has a rapidly developing and titratable antiarrhythmic action B. It causes ... atrial as well as ventricular arrhythmias D. Both A' and B' are correct

Last Answer : D. Both ‘A’ and ‘B’ are correct

Quinidine is now used primarily for: A. Conversion of atrial fibrillation to sinus rhythm B. Control of ventricular rate in atrial flutter C. Termination of ventricular tachycardia D. Prevention of recurrences of atrial fibrillation/ ventricular tachycardia

Description : Quinidine is now used primarily for: A. Conversion of atrial fibrillation to sinus rhythm B. Control of ventricular rate in atrial flutter C. Termination of ventricular tachycardia D. Prevention of recurrences of atrial fibrillation/ ventricular tachycardia

Last Answer : D. Prevention of recurrences of atrial fibrillation/ ventricular tachycardia

A globe valve is the most suitable for applications, in which (A) Fluid flow control is required (B) Fluid contains dispersed solid particles (C) Valve is required to be either fully open or fully closed (D) One way flow is required

Description : A globe valve is the most suitable for applications, in which (A) Fluid flow control is required (B) Fluid contains dispersed solid particles (C) Valve is required to be either fully open or fully closed (D) One way flow is required

Last Answer : (A) Fluid flow control is required

The most economical flow control valve for use with large diameter pipes is a (A) Butterfly valve (B) Globe valve (C) Needle valve (D) None of these

Description : The most economical flow control valve for use with large diameter pipes is a (A) Butterfly valve (B) Globe valve (C) Needle valve (D) None of these

Last Answer : (A) Butterfly valve

Check valve is used for __________ flow. (A) Very precise control of (B) Unidirectional (C) Multidirectional (D) None of these

Description : Check valve is used for __________ flow. (A) Very precise control of (B) Unidirectional (C) Multidirectional (D) None of these

Last Answer : (B) Unidirectional

Which of the following facilitates close control of flow of fluids? (A) Gate valve (B) Globe valve (C) Butterfly valve (D) Check valve

Description : Which of the following facilitates close control of flow of fluids? (A) Gate valve (B) Globe valve (C) Butterfly valve (D) Check valve

Last Answer : (B) Globe valve

Purpose of relief valve in a reciprocating pump is to (A) Protect the pump against developing excessive pressure (B) Facilitate unidirectional flow of liquid (C) Reduce the discharge pressure (D) Control the rate of discharge

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Last Answer : (A) Protect the pump against developing excessive pressure

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to (A) Reynold stresses (B) Shear forces (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to (A) Reynold stresses (B) Shear forces (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non- functional, what will be the immediate effect? (a) The flow of blood into the aorta will be slowed down. (b) The ‘pacemaker’ will stop working. (c) The blood will tend to flow back into the left atrium. (d) The flow of blood into the pulmonary artery will be reduced.

Description : If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non- functional, what will be the immediate effect? (a) The flow of blood into the aorta will be slowed ... back into the left atrium. (d) The flow of blood into the pulmonary artery will be reduced.

Last Answer : (d) The flow of blood into the pulmonary artery will be reduced.

Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the (A) Back flow of fluid in the event of stoppage of pump (B) Discharge pressure (C) Flow of liquid during operation of the pump (D) All (A), (B) and (C)

Description : Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the (A) Back flow of fluid in the event of stoppage of pump (B) Discharge pressure (C) Flow of liquid during operation of the pump (D) All (A), (B) and (C)

Last Answer : (A) Back flow of fluid in the event of stoppage of pump

Foot valve provided in the pump is a __________ valve. (A) Direction control (B) Back pressure (C) Relief (D) Pressure reduction

Description : Foot valve provided in the pump is a __________ valve. (A) Direction control (B) Back pressure (C) Relief (D) Pressure reduction

Last Answer : (B) Back pressure

A relief valve (A) Provides back pressure for a cylinder (B) Unloads a pump (C) Is a directional control valve (D) None of these

Description : A relief valve (A) Provides back pressure for a cylinder (B) Unloads a pump (C) Is a directional control valve (D) None of these

Last Answer : (C) Is a directional control valve

Atrial Fibrilation brought on by turning on right side in bed?

Description : Atrial Fibrilation brought on by turning on right side in bed?

Last Answer : So totally out of the range of expertise of an anonymous social network that it defies comprehension.

Is there a non-drug herbal remedy for atrial fibrillation?

Description : Is there a non-drug herbal remedy for atrial fibrillation?

Last Answer : answer:Get a second opinion from a licensed cardiologist, anti-arrhythmia isn't something to play around with by eating oregano or peppermint leaves or whatever. If your cardiologist feels your treatment is adequate and ... when it could mean your life. Best of luck, I hope they get you sorted out.

Assertion `:` The sino-atrial node (SAN) is called the pacemaker. Reason `:` SAN is responsible for initiating and maintaining the rhythmic contractil

Description : Assertion `:` The sino-atrial node (SAN) is called the pacemaker. Reason `:` SAN is responsible for initiating and maintaining the rhythmic contractil

Last Answer : Assertion `:` The sino-atrial node (SAN) is called the pacemaker. Reason `:` SAN is responsible ... False. D. If both Assertion & Reason are false.

a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical representation of the graphical activity of the heart du

Description : a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical representation of the graphical activity of the heart du

Last Answer : a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical ... one of the main symptoms of this disease.

a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical representation of the graphical activity of the heart du

Description : a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical representation of the graphical activity of the heart du

Last Answer : a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical ... one of the main symptoms of this disease.

A: Atrial naturiuretic factor is released by wall of atria. R: It inhibits the release of renin from juxta glomerular apparatus.

Description : A: Atrial naturiuretic factor is released by wall of atria. R: It inhibits the release of renin from juxta glomerular apparatus.

Last Answer : A: Atrial naturiuretic factor is released by wall of atria. R: It inhibits the release of renin ... false D. If both Assertion and Reason are false

Which of the following is true about Atrial Natriuretic Factor (ANF)?

Description : Which of the following is true about Atrial Natriuretic Factor (ANF)?

Last Answer : Which of the following is true about Atrial Natriuretic Factor (ANF)? A. An increase in blood volume and B. ... ANF acts as a check on RAAS D. 1 and3

What are all the Symptoms of left atrial enlargement?

Description : What are all the Symptoms of left atrial enlargement?

Last Answer : Need answer

Atrial fibrillation/flutter?

Description : Atrial fibrillation/flutter?

Last Answer : DefinitionAtrial fibrillation/flutter is a heart rhythm disorder (arrhythmia). It usually involves a rapid heart rate that is not regular.Alternative NamesAuricular fibrillation; A-fibCauses, incidence, and risk ... leaves the SA node and travels through the two upper chambers (atria).Then the sign

What exactly is atrial tachycardia?

Description : What exactly is atrial tachycardia?

Last Answer : Atrial tachycardia is a rhythm disturbance that arises in the atria. Atrial tachycardia can be observed in persons with normal hearts. for more information medicine.medscape.com/article/151456-overview

What is atrial tachycardia and how do you treat it?

Description : What is atrial tachycardia and how do you treat it?

Last Answer : Atrial tachycardia is a condition of the heart. This website provides some quick information that should be helpful for you: http://emedicine.medscape.com/article/151456-treatment

How do you treat an atrial septal defect?

Description : How do you treat an atrial septal defect?

Last Answer : Treatment. In the past, atrial septal defect (ASD) closure required open-heart surgery through an incision in the chest using a heart-lung bypass machine.

How can I test for atrial fibrillation (a form of cardiac arrhythmia)?

Description : How can I test for atrial fibrillation (a form of cardiac arrhythmia)?

Last Answer : A doctor can detect an irregular heartbeat during a physical exam by taking your pulse, listening to your heartbeat or by performing diagnostic tests.

If you have atrial f?

Description : If you have atrial f?

Last Answer : If you have atrial fibrillation that is not well-controlled (i.e. the medication is not working), this can lead to some of the symptoms you describe due to a fast heart rate, which causes ... are many options to treat this disorder. He or she can also determine if additional testing is warranted.

Plenty of Treatment Options for Atrial Fibrillation?

Description : Plenty of Treatment Options for Atrial Fibrillation?

Last Answer : There is a wide variety of drugs and procedures available to effectively treat atrial fibrillation. One option involves simple changes to the patient's diet and lifestyle. Many times ... valve disorder, then successful treatment of that disorder may effectively treat your atrial fibrillation.

Atrial myxoma?

Description : Atrial myxoma?

Last Answer : DefinitionAn atrial myxoma is a noncancerous tumor in the upper left or right side of the heart. It grows on the wall (atrial septum) that separates the two sides of the heart.Causes, ... fibrillation.Myxomas are more common in women. About 10% of myxomas are passed down through families (inherite

Cyclic GMP acts as the second messenger for (A) Nerve growth factor (B) Atrial natriuretic factor (C) Epinephrine (D) Norepinephrine

Description : Cyclic GMP acts as the second messenger for (A) Nerve growth factor (B) Atrial natriuretic factor (C) Epinephrine (D) Norepinephrine

Last Answer : Answer : B

Which of the following are not determinants of a postoperative cardiac complication? A. Myocardial infarct 4 months previously. B. Clinical evidence of congestive heart failure in a patient with 8.5 gm. per dl. hemoglobin. C. Premature atrial or ventricular contractions on electrocardiogram. D. A harsh aortic systolic murmur. E. Age over 70 years.

Description : Which of the following are not determinants of a postoperative cardiac complication? A. Myocardial infarct 4 months previously. B. Clinical evidence of congestive heart failure in a patient with 8.5 gm ... on electrocardiogram. D. A harsh aortic systolic murmur. E. Age over 70 years.

Last Answer : Answer: B DISCUSSION: Clinical evidence of congestive heart failure in a patient with 8.5 gm. per dl. hemoglobin concentration is a misleading sign. Evidence of congestive ... or ventricular contractions on the electrocardiogram are less strong determinants of a postoperative cardiac complication

A patient has been taking digoxin for several years for chronic heart failure is about to receive atropine for another condition. A common effect of digoxin (at therapeutic blood levels) that can be almost entirely blocked by atropine is (a) Decreased appetite (b) Increased atrial contractility (c) Increased PR interval on the ECG (d) Headaches (e) Tachycardia

Description : A patient has been taking digoxin for several years for chronic heart failure is about to receive atropine for another condition. A common effect of digoxin (at therapeutic blood levels) that can ... Increased atrial contractility (c) Increased PR interval on the ECG (d) Headaches (e) Tachycardia

Last Answer : Ans: C

Digoxin given for cardiac failure is extremely valuable in patients of (a) Thyrotoxicosis (b) Beriberi (c) Cor pulmonale (d) Atrial fibrillation

Description : Digoxin given for cardiac failure is extremely valuable in patients of (a) Thyrotoxicosis (b) Beriberi (c) Cor pulmonale (d) Atrial fibrillation

Last Answer : Ans: D

Which of the following drugs is a class III antiarrhythmic agent that is effective in the acute management of atrial fibrillation or atrial flutter of recent onset ? (a) Bretylium (b) Lbutilide (c) Metoprolol (d) Disopyramide

Description : Which of the following drugs is a class III antiarrhythmic agent that is effective in the acute management of atrial fibrillation or atrial flutter of recent onset ? (a) Bretylium (b) Lbutilide (c) Metoprolol (d) Disopyramide

Last Answer : Ans: B

In addition to pulmonary stenosis and ventricular septal defect, Tetralogy of Fallot includes: A A. Dextroposition of aorta and right ventricular hypertrophy B. Dextroposition of aorta and left ventricular hypertrophy C. Right ventricular hypertrophy and left atrial dilatation D. None of these

Description : In addition to pulmonary stenosis and ventricular septal defect, Tetralogy of Fallot includes: A A. Dextroposition of aorta and right ventricular hypertrophy B. Dextroposition of aorta and left ventricular hypertrophy C. Right ventricular hypertrophy and left atrial dilatation D. None of these

Last Answer : Dextroposition of aorta and right ventricular hypertrophy

The following are true about cardiac contraction: a. the P wave initiates the atrial contraction b. atrial contribution to ventricular filling is most effective at fast heart rate. c. b wave is generated by atrial contraction d. fourth heart sound occurs during atrial contraction

Description : The following are true about cardiac contraction: a. the P wave initiates the atrial contraction b. atrial contribution to ventricular filling is most effective at fast heart rate. c. b wave is generated by atrial contraction d. fourth heart sound occurs during atrial contraction

Last Answer : fourth heart sound occurs during atrial contraction

Stimulation of the cholinergic pathway results in: a. ciliary muscle contraction b. a decrease in atrial contractilityc. gall bladder contraction d. all above

Description : Stimulation of the cholinergic pathway results in: a. ciliary muscle contraction b. a decrease in atrial contractility c. gall bladder contraction d. all above

Last Answer : all above

Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle. (c) Progesterone - corpus luteum, stimulation of growth and activities of female secondary sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.

Description : Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the ... sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.

Last Answer : (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other? (a) Aldosterone Atrial Natriuretic Factor (b) Relaxin Inhibin (c) Parathormone Calcitonin (d) Insulin Glucagon

Description : Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other? (a) Aldosterone Atrial Natriuretic Factor (b) Relaxin Inhibin (c) Parathormone Calcitonin (d) Insulin Glucagon

Last Answer : (b) Relaxin Inhibin

Which of the following does not favour the formation of large quantities of dilute urine? (a) Renin (b) Atrial-natriuretic factor (c) Alcohol (d) Caffeine

Description : Which of the following does not favour the formation of large quantities of dilute urine? (a) Renin (b) Atrial-natriuretic factor (c) Alcohol (d) Caffeine

Last Answer : (a) Renin

A decrease in blood pressure/volume will not cause the release of (a) atrial natriuretic factor (b) aldosterone (c) ADH (d) renin.

Description : A decrease in blood pressure/volume will not cause the release of (a) atrial natriuretic factor (b) aldosterone (c) ADH (d) renin.

Last Answer : (a) atrial natriuretic factor

Which of the following would help in prevention of diuresis? (a) More water reabsorption due to undersecretion of ADH. (b) Reabsorption of Na+ and water from renal tubules due to aldosterone. (c) Atrial natriuretic factor causes vasoconstriction. (d) Decrease in secretion of renin by JG cells. (NEE

Description : Which of the following would help in prevention of diuresis? (a) More water reabsorption due to undersecretion of ADH. (b) Reabsorption of Na+ and water from renal tubules due to ... Atrial natriuretic factor causes vasoconstriction. (d) Decrease in secretion of renin by JG cells. (NEE

Last Answer : (b) Reabsorption of Na+ and water from renal tubules due to aldosterone.

The pacesetter in the heart is called (a) sino-atrial node (SAN) (b) atrio-ventricular node (AVN) (c) Purkinje fibres (d) papillary muscle.

Description : The pacesetter in the heart is called (a) sino-atrial node (SAN) (b) atrio-ventricular node (AVN) (c) Purkinje fibres (d) papillary muscle.

Last Answer : (b) atrio-ventricular node (AVN)

Given below is the ECG of a normal human. Which one of its components is correctly interpreted below? (a) Complex QRS - one complete pulse (b) Peak T - initiation of total cardiac contraction (c) Peak P and peak R together - systolic and diastolic blood pressures (d) Peak P- initiation of left atrial contraction only

Description : Given below is the ECG of a normal human. Which one of its components is correctly interpreted below? (a) Complex QRS - one complete pulse (b) Peak T - initiation of total cardiac ... R together - systolic and diastolic blood pressures (d) Peak P- initiation of left atrial contraction only

Last Answer : (a) Complex QRS - one complete pulse

When the balloon on the distal tip of a pulmonary artery catheter is inflated and a pressure is measured, the measurement obtained is referred to as the a) pulmonary artery wedge pressure. When the balloon is inflated, the tip of the catheter floats into smaller branches of the pulmonary arty until it can no longer be passed and the pressure is recorded, reflecting left atrial pressure and left ventricular end-diastolic pressure.

Description : When the balloon on the distal tip of a pulmonary artery catheter is inflated and a pressure is measured, the measurement obtained is referred to as the a) pulmonary artery wedge ... Cardiac output is determined through thermodilution involving injection of fluid into the pulmonary artery catheter.

Last Answer : a) pulmonary artery wedge pressure. When the balloon is inflated, the tip of the catheter floats into smaller branches of the pulmonary arty until it can no longer be passed and the pressure is recorded, reflecting left atrial pressure and left ventricular end-diastolic pressure.