Quiz 6 & 7

Which of the following is a function of synovial fluid

decrease friction within joints

Dorsiflexion involves ________ at the ankle joint and ________ of the foot.

flexion; elevation of the sole

The vertebral column contains ________ lumbar vertebrae.

5

The vertebral column contains ________ cervical vertebrae.

7

A movement away from the longitudinal axis of the body in the frontal plane is

Abduction

A movement toward the longitudinal axis of the body in the frontal plane is termed

Addiction

The area of the sarcomere that is the light region between two successive A-bands is the

I band

A twisting motion of the foot that turns the sole inward is termed

Inversion

Regarding lactic acid regulation, which cells in the body consume extra oxygen and produce ATP for the conversion of excess lactate absorbed from the blood back to glucose?

Liver cells

process of ________, an existing tissue is replaced with bone.

Ossification

maintain normal bone structure by recycling the calcium salts in the bony matrix around themselves.

Osteocytes

Moving a part of the body anteriorly in the horizontal plane is called _

Protraction

Nonstriated, involuntary muscle is

Smooth

serves as a base for muscles associated with the larynx, tongue, and pharynx.

The hyoid bone

Bone-forming cells are called ________.

osteoblasts

Bone cells capable of dissolving the bony matrix are termed

osteoclasts

Muscle fascicles are separated by

perimysium

Osseous tissue is classified as which of the following?

Connective tissue

A muscle ________ contains a sarcolemma, sarcoplasm, myofilaments, and myofibrils.

Fiber

provides lateral stability to the ankle.

Fibula

Movement in the anterior-posterior plane that decreases the angle between articulating bones is which movement?

Flexion

A joint with flattened or slightly curved articulating surfaces is called a ________ joint.

Gliding

Ribs that are connected to the sternum by separate cartilaginous extensions are called ________ ribs.

True

The deltoid acts to

abduct the arm

Smooth muscle cells

are spindle-shaped

Compared with the male pelvis, the female pelvis has a

larger pelvic outlet, wider pubic angle

Calcium ions are released from the sarcoplasmic reticulum during the ________ phase of contr

latent

Fibrous cartilage discs that act as shock absorbers in joints are called ________.

menisci

Neurotransmitters that cause skeletal muscle contraction are normally stored in

motor neuron axon terminals.

Muscles comprising the quadriceps group include the

rectus femoris, vastus intermedius, vastus lateralis, and vastus medialis

The area between Z lines is the

sarcomere

Creatine phosphate serves to

supply energy to synthesize ATP.

Skull bones are joined by tight connections called

sutures