Tag: human heart

Questions Related to human heart

Vagus nerve slows down heart beat due to secretion of

  1. Adrenaline

  2. Acetylcholine

  3. Norepinephrine

  4. Dopamine.


Correct Option: B

Body receives blood through arteries. Which one is out of place?

  1. Aorta

  2. Renal artery

  3. Coronary artery

  4. Pulmonary artery


Correct Option: D
Explanation:
A. Aorta is the largest artery in body which supplies blood from heart to rest of the body parts.
B. Renal arteries are blood vessels that branch from abdominal aorta and supply blood to the kidneys.
C. Coronary arteries supply the oxygenated blood to heart.
D. Pulmonary artery carries deoxygenated blood from right ventricle to the lungs. 
Hence, body receives blood through arteries except the lungs which receive deoxygenated blood through pulmonary artery.
So, the correct answer is 'Pulmonary artery'.

Neurogenic heart is characteristic of

  1. Humans

  2. Lower invertebrates

  3. Rat

  4. Rabbit.


Correct Option: B

Pulmonary artery carries

  1. Pure blood from heart to lungs

  2. Pure blood from heart to stomach

  3. Impure blood from heart to lungs

  4. Pure blood from lungs to heart.


Correct Option: C

Pulmonary artery drains deoxygenated blood from

  1. Right ventricle

  2. Right atrium

  3. Left atrium

  4. Left ventricle.


Correct Option: A

Pulmonary vein carries

  1. Deoxygenated blood

  2. Oxygenated blood

  3. Mixed blood

  4. None of the above.


Correct Option: B

Bundle of His passes stimulus of contraction to

  1. AV node

  2. SA node

  3. Purkinje fibres

  4. Atrium.


Correct Option: C

Oxygenated blood is carried to heart by

  1. Pulmonary vein

  2. Pulmonary artery

  3. Hepatic portal vein

  4. Renal vein.


Correct Option: A

To which organ does femoral artery supply blood

  1. Dorsal part of thigh

  2. Ventral part of hindlimb

  3. All parts of hind limb

  4. Rectum.


Correct Option: A

Volume of blood that enters aorta with each ventricular systole is

  1. Vital capacity

  2. Cardiac style

  3. Stroke volume

  4. Cardiac output.


Correct Option: C