The partial pressure of carbon dioxide in venous blood is approximately

A) 40 mm Hg.
B) 45 mm Hg.
C) 50 mm Hg.
D) 70 mm Hg.
E) 100 mm Hg.


B

Anatomy & Physiology

You might also like to view...

The shallow socket of the shoulder joint restricts the movement of the humerus but does increase the stability of the joint

Indicate whether the statement is true or false

Anatomy & Physiology

Calluses or corns are the result of accelerated multiplication by ________

A) fibroblasts B) keratinocytes C) melanocytes D) red blood cells E) tactile cells

Anatomy & Physiology

Structure A is the


A) synovial cavity.
B) joint capsule.
C) hyaline cartilage.
D) compact bone.
E) marrow cavity.

Anatomy & Physiology

The lymphocytes are most important in

A) helping maintain normal blood volume. B) transporting gases to and away from lymph nodes. C) eliminating variations in the composition of interstitial fluid. D) transporting lipids from the digestive tract. E) fighting infection.

Anatomy & Physiology