What muscle forms the posterior aspect of the upper arm and what action does it perform at the elbow joint?

What will be an ideal response?


Answer: Triceps Brachii, Extension

Anatomy & Physiology

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What happens to the diaphragm when it contracts?

A. It becomes dome-shaped and aids in expiration. B. It becomes dome-shaped and aids in inspiration. C. It becomes flatter and aids in inspiration. D. It becomes flatter and aids in expiration.

Anatomy & Physiology

Which of the following is not a result of parasympathetic stimulation?

A) salivation B) dilation of the pupils C) increased peristalsis of the digestive viscera D) elimination of urine

Anatomy & Physiology

Approximately the last 15 cm of the digestive tract is the

A) anus. B) anal canal. C) rectum. D) sigmoid colon. E) rectal column.

Anatomy & Physiology

The narrow space that separates the motor neuron and the skeletal muscle fiber in a neuromuscular junction is called the

A.  motor end plate. B.  synaptic vesicle. C.  synaptic cleft. D.  synaptic knob.

Anatomy & Physiology