Exam 9: Muscular System

Activities such as distance swimming and distance running will most likely stimulate development of

A sign of aging of the muscular system is

Tawanda finishes a sprint and suffers great pain in her calf muscles. Her muscle cramps are most likely due to a temporary deficit of

Muscle fibers generally only have one motor end plate, but motor neurons innervate many different muscle fibers in a group. Choose the statement that correctly explains how this affects muscle contraction.

Rigor mortis affects skeletal muscles a few hours after death, due to

Which of the following is not a muscle of mastication?

A group of rats are bred in a laboratory to study muscle function. This group possesses a genetic defect that causes the myosin heads to bind ADP irreversibly. The rats are entirely paralyzed. Which of the following correctly explains the impact of the defect on the muscle?

At a neuromuscular junction, the muscle fiber membrane folds, forming a

Functions of muscles include

The triangle of auscultation, commonly used to hear sounds of respiratory organs, is located near the border of the

A runner collapses during a race and is examined by a doctor. They have lost the ability to plantar flex at the ankle. Which of the following is probably the injured muscle?

The rhythmic, wavelike motion produced by smooth muscles in tubular visceral organs is called ________.

The muscle that opposes a particular action is called the

The discoloration and swelling that occurs with a muscle strain is due to

The soleus is a muscle that forms part of the

Endomysium separates individual muscle fibers from each other.

The functional connection between a neuron and a skeletal muscle fiber is a

The muscle that adducts and flexes the arm is the

The muscle that covers the upper part of the cranium is the ________.

Cardiac muscle