Question

The apex of the heart:

occurs where the aorta exits the left ventricle.

occurs at the lowermost part of the interatrial septum.

none of the above.

is located near the uppermost part of the interatrial septum.

is superior to the base of the heart

The Vena Cavae:

carry deoxygenated blood.

drain into the right atrium.

none of the above.

66. Which of the following doesn’t belong?

eustacian tubes.

thyroid cartilage.

true vocal folds.

rima glottidis.

arytenalis muscle.

is a part of the systemic circuit.

all of the above.

Answer 1

1. None of the above

The apex of the heart is formed by the tip of left ventricle and rest on the diaphragm.

2.A and B

The vena cavae carry deoxygenated blood from body to heart and drains into right atrium.

3.Is a part of systemic circuit

Systemic circuit is a part of cardiovascular system in which oxygenated blood is carried from the heart to the body parts and carry deoxygenated blood from body parts to heart.

All the other parts are connected to respiratory system.

Eustachian tube is the connection between middle ear and nasopharynx.Thyroid cartilage also called as Adam's apple forms the anterior wall of larymx giving it a triangular shape.True vocal folds are the part of glottis.The space between true vocal folds and arytenoid cartilage is called rima glottidis.Arytenalis muscle is the singular muscle filling the arytenoid cartilage.