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