The second heart sound is heard during which phase of the cardiac cycle?

A) isovolumetric contraction
B) at the beginning of ventricular diastole
C) ventricular ejection
D) ventricular filling


B
Explanation:
A) The second heart sound is not heard during isovolumetric contraction.
C) The second heart sound is not heard during ventricular ejection.
D) The second heart sound is not heard during ventricular filling.

Anatomy & Physiology

You might also like to view...

How is blood type determined?

A. By the genes in the blood cell's nucleus B. By the antigens on the blood cell's surface C. By the globulins on the blood cell's surface D. By the antibodies on the blood cell's surface.

Anatomy & Physiology

What determines the color of skin?

A. The amount of melanin that melanocytes produce B. The number of melanocytes in the epidermis C. The density of hair D. The thickness of the epidermis

Anatomy & Physiology

The center of an atom is called the

A) element. B) electron cloud. C) nucleus. D) proton. E) molecule.

Anatomy & Physiology

Which of the following tissues has a matrix arranged in concentric circles around a central canal that has blood vessels running through it?

A. Hyaline cartilage B. Osseous tissue C. Elastic cartilage D. Dense regular connective tissue E. Nervous tissue

Anatomy & Physiology