Coronary Circulation

Q. Assertion- Angina refers to acute chest pain.
Reason- Lack of supply of oxygenated blood to the heart muscles.

1. Both the assertion and reason are true and the reason is the correct explanation of the assertion
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion
3. The assertion is true but the reason is false
4. Both the assertion and reason are false

Q. The role of the coronary artery is _________________.

1. to carry blood away from the heart muscles
2. to supply blood to heart muscles
3. none of the above
4. to supply blood to all parts of the body

Q.

In human, blood passes from the inferior vena cava to the diastolic right atrium of heart due to

1. stimulation of the sino auricular node.

2. pushing open of the venous valves.

3. pressure difference between the Inferior vena cava and atrium

4. suction pull.

Q. Carotid artery carries

1. Deoxygenated blood from brain
2. Oxygenated blood to upper limbs
3. Deoxygenated blood to kidney
4. Oxygenated blood to heart

Q.

Blood from various parts of the body is returned to the:

1. right ventricle

2. right atrium

3. left ventricle

4. left atrium

Q.

Murmer is a disorder of

1. Heart valves

2. AV node

3. SA node

4. Pulmonary vein

Q. During coronary circulation ____________ supplies oxygenated blood to the heart muscles.

1. coronary vein
2. coronary artery
3. pulmonary vein
4. pulmonary artery

Q. Which among the following is the largest vein in human body?

1. Renal vein
2. Pulmonary vein
3. Superior Vena cava
4. Aorta

Q.

The function of the coronary circulation is ________________

1. To supply blood to the musculature of heart.

2. To supply oxygenated blood to the thymus.

3. To remove deoxygenated blood from intestines.

4. To carry blood from the intestines to the liver for glycogen formation.

Q.

Why do humans feel pain in their hearts?

Q. Write a note on any three disorders of circulatory system.

Q. Cystic artery supplies blood to

1. Kidney
2. Heart
3. Gall bladder
4. None of the above

Q. It opens into right auricle in frog heart Coronary sinus _______________.

1. Drains impure blood from pulmonary veins to left auricle
2. Receives impure blood from heart musculature via coronary veins
3. Drains pure blood in right auricle
4. More than one options are correct

Q. The deoxygenated blood from the heart muscles (myocardium) drains into the

1. inferior vena cava
2. superior vena cava
3. coronary sinus
4. pulmonary artery

Q. Venous valves are responsible for ___________________.

1. Preventing anterograde flow
2. Channeling blood away from the heart
3. Channeling blood towards the heart
4. Preventing blood from re-entering a ventricle

Q.

If coronary circulation is removed from the human body, which of the following effects do you think it will have on the body?

1. Nutrients from digestive tract will not be transported to the liver.

2. Mixing of deoxygenated and oxygenated blood in the heart.

3. The heart muscles will stop contracting.

4. No transmission of nerve impulses from vasomotor centre to the sympathetic nerves.

Q.

What is the difference b/w haert attack, cardiac arrest and heart failure??

Q. Hepatic portal system collects blood from the _____________.

1. Liver
2. Lungs
3. Kidney
4. Digestive tract

Q.

What are the symptoms of Angina?

Q. In which chamber of the human heart the blood is low in Oxygen?

1. Right atrium
2. Right ventricle
3. Left atrium
4. A and B

Q. Short / Long answer type questions.
How does the absorption of nutrients take place? Discuss the role of blood and lymph vessels

Q. A person is having pain in chest, but disappear with rest, then the patient is suffering from which condition?

Q. Number of pairs of valves found in lateral oesophageal heart of Pheretima is

1. 1
2. 3
3. 2
4. 4

Q. The level of glucose in blood plasma is highest in the

1. aorta
2. hepatic portal vein
3. pulmonary vein
4. renal vein

Q. Raju was showing the following symptoms heaviness in the chest, severe pain in the chest, also in the region of the neck, lower jaw, left arm and left shoulder.

1. Myocardial infarction
2. Angina pectoris
3. Atherosclerosis
4. Arteriosclerosis

Q. The exchange of nutrients and waste products between the blood and cells occurs within the arteries.

1. True
2. False

Q. Heaviness with severe chest pain which may disappear with rest indicates

1. Atherosclerosis
2. Arteriosclerosis
3. Angina pectoris
4. Hyperthyroidism

Q.

(i)___ carries blood from digestive tract to liver and (ii)_____carries blood from the liver to the inferior vena cava.

1. (i)Hepatic artery, (ii) hepatic portal vein

2. (i)Hepatic vein, (ii)hepatic portal vein

3. (i)Hepatic portal vein, (ii)hepatic vein

4. (i)Hepatic portal vein, (ii)hepatic artery

Q. Posterior vena cava

1. Two veins from each lung into left atrium
2. From the lower parts of body into right atrium
3. From the upper parts of the body into right atrium
4. All of the above

Q.

difference between artery and auricle