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67 Cards in this Set

  • Front
  • Back
How many lumbar vertebrae are there?
5
When muscle cells are depolarizing what occurs?
Contraction
What bone is located in the neck and helps aid in movement of the tongue and aid in swallowing?
Hyoid
Is ATP (energy) needed for both contraction and relaxation of muscles?
Yes
The olecranon process is found in which bones?
Ulna
What muscle cell extends downward from the sarcolemma into the sarcoplasm?
Transverse tubules
The mastoid process is part of what bone?
Temporal
What are the neurotransmitters for smooth muscles?
Acetylcholine

Epinephrine/norepinephrine
The cheekbones are called?
Zygomatic
The outermost layer of the skin is composed of?
Stratified squamous
Immovible joints are known as?
Synarthrosis
Instead of troponin, smooth muscle has what proteins?
Calmodulin
Extra bones sometimes found in the skull where the sutures interconnect are called?
Wormian
Which of the 4-carbon sugars are found in DNA?

sucrose, fructose, ribose, deoxyribose
Deoxyribose
Transverse foramina are only found in which vertebrae?
Cervical
Where are the receptors for acetylcholine located?
Motor end plate
Red bone marrow is closely associated with which types of bone?
Spongy
What type of sweat glands are thought to produce pheromones?
Apocrine glands
The sternum is made up of three bones, the very top one is called?
Manubrium
Genes are made up of all but?

guanine, thymine, cytosine, adenine, uracil
Uracil
Glands that secrete their products into ducts that open into some internal or external surface are called?
Exocrine glands
IN the presence of Calcium ions, myosin forms crossbridges with________.
Actin protein molecules
What is the function of intercalated discs?
Speed impulse conduction through the muscle cell.
What is the function of the tropomyosin troponin protein complex?
It prevents actin from binding to myosin crosbridges.
Where are intercalated discs found?
Cardiac muscles
Neurotransmitters are secreted at the ends of?
Axons
The muscle cell cytoplasm is known as?
Sarcoplasm
Synaptic vesicles are also known as?
Boutons
The segment of a myofibril that extends from Z-line to Z-line is called?
Sarcomere
What describes smooth muscle?
Lacks striations
Have no T-Tubules.
Has Norepinephrine + acetylcholine as transmitters.
Have poorly defined sarcoplasmic reticulum.
Does cardiac muscle cells have only one nucleus?
Yes
What provides most of the power needed for muscle contraction?
ATP
What are the thick protein filaments called?
Myosin
The cell membrane of a skeletal muscle cell is known as the?
Sarcolemma
Irregular bones are which bones?
Vertebrae & facial bones
The light colored bands seen in the striations of skeletal muscles are known as?
I - Bands
The axial skeleton contains which bones?
Bones of the head, neck, and trunk.
The point where the two pubic bones articulate is known as the?
Symphysis pubis
The medullary cavity is lined with a membrane called the?
Endosteum
The layer of connective tissue that closely surrounds an individual skeletal muscle fiber is known as?
Endomysium
What bone contains the odontoid process (Dens)?
Axis
The shaft portion of a long bone is referred to as the?
Diaphysis
What is contained within the medullary cavity of a long bone?
Adipose
What neurotransmitter releases at the motor-end plate of skeletal muscle?
Acetylcholine
Myofibrils contain two kinds of protein filaments, they are?
Myosin

Actin
Blood derived from one common ancestor, regardless of what blood types of blood cells RBC or WBC this is called?
Pleuripotential stem cell.
The cristi galli is part of which bone?
Ethmoid
What part of the brain lies within the sella trucica?
Pituitary gland
The largest long bone in the body is called?
Femur
The largest tarsal bone is known as the?
Calcaneous
Spongy bone is also known as?
Cancellous bone
The big toe contains how many phalanges?
2
The development of endochondrial bone involves the replacement of which of tissues with bone tissue?
Cartilage
What is the smallest bone in the lower leg?
Fibula
Bony projections coming off bone which allow for the attachment of tendons and ligaments are called?
Processes
How many bones are there in the skull?
22
The kneecap is called the?
Patella
Cacellous bone is located in the ________of the long bones.
Epiphysis
How many pairs of ribs are there?
12
The tailbone is called the?
Coccyx
Bones of the wrist are termed?
Carpals
An individual muscle is separated from adjacent muscles and held into position by tough fibrous connective tissue known as?
Fascia
The first cervical vertebrae is known as the?
Atlas
What is the funciton of bone tissue?
Stores fat
Produces blood cells

Protection of underlying structures.
The head of the femur attaches to what portion of the hip bone?
Acetabulum
What bones connect via cartilage forming the symphysis pubis?
Pubis
What bone is in the shoulder blade?
Scapula