24

pectoralis major muscle

Adducts the arm

What do sphincters help to regulate ?

Contents of the hollow organs

Which of the Following changes occurred due to natural aging process is

Decreased dexterity, decrease speed of contractions, decreased strength of contractions

The structure that covers the entire skeletal muscle and separates muscles from each other is called the

Fascia

When you bend a body part or close a joint this is called

Flexion

The muscle responsible for flexing in abducting the wrist is the

Flexor carpi radialis

biceps brachii begins at the scapula and attaches to the readings bone on the forearm. The radius is considered to be the:

Insertion

Which of the following is the true regarding aging and muscular system?

Muscle strength declines with age

What is the correct sequence of anatomical parts of a muscle from largest to smallest?

Muscle, fascicles, muscle cell, myofibril

Which of the following is a group of inherited disorders characterized by muscle weakness and loss of muscle tissue

Muscular dystrophy

Which of the following is the oxygen storing pigment that gives muscle its pinkish color

Myoglobin

The attachment site for the lease to move the wall ball in the skeletal muscle contraction is called the

Origin

Which of the following occurs When a muscle is used straight asleep for several minutes

Oxygen debt

A rhythmic contraction that pushes substances through tubes in the body is called;

Peristalsis

The muscle responsible for flexion of the vertebral column is the :

Rectus abdominis

The muscle responsible for extending leg at the knee are the

Rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius

muscle tissue

Regulates blood flow, produces heat to help regulate body temperature, and controls the passage of substances through bodies openings

Which muscle is considered striated And voluntary?

Skeletal

A muscle ____ Is calls with muscles or tendons are excessively stretched

Strain

If muscles or tendons are excessively stretch this can lead to a muscle

Strain

What is a perimysium?

The connected tissue that divides a muscle into fascicles

The striatuons in skeletal and Cardiac muscle exist due to the presence of

Thick and thin filaments

Why is it important to understand specific term for body movements

To be able to describe range of motion in a patient

Which of the following is a condition also known as wry neck And is characterized by a cervical deformity in which the headband towards the affected side while the Chin and rotate to the opposite side

Torticollis

peristaltic movement is best describes by which of the following statement?

Visceral smooth muscle responds to specific neurotransmitters

What does the pectoralis major do?

adducts the arm