which muscle extends the elbow?

a) biceps brachii
b) triceps brachii
c) brachialis
d) brachioradialis


b) triceps brachii

Anatomy & Physiology

You might also like to view...

In which of the following would the motor units have the fewest muscle fibers?

A) muscles of the neck B) postural muscles of the back C) muscles that control the eyes D) thigh muscles E) calf muscles

Anatomy & Physiology

Hyperventilation leads to all of the following EXCEPT ________

A) brief periods of apnea B) cyanosis C) dizziness D) fainting E) buildup of carbon dioxide in the blood

Anatomy & Physiology

Blood volume represents about ________ percent of a person's body weight

A) 7 B) 15 C) 2 D) 25 E) 42

Anatomy & Physiology

Which ions are critical for the activation of some enzymes?

A) magnesium ions B) fluorine ions C) potassium ions D) chlorine ions

Anatomy & Physiology