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67 Cards in this Set
- Front
- Back
How many lumbar vertebrae are there?
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5
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When muscle cells are depolarizing what occurs?
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Contraction
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What bone is located in the neck and helps aid in movement of the tongue and aid in swallowing?
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Hyoid
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Is ATP (energy) needed for both contraction and relaxation of muscles?
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Yes
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The olecranon process is found in which bones?
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Ulna
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What muscle cell extends downward from the sarcolemma into the sarcoplasm?
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Transverse tubules
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The mastoid process is part of what bone?
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Temporal
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What are the neurotransmitters for smooth muscles?
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Acetylcholine
Epinephrine/norepinephrine |
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The cheekbones are called?
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Zygomatic
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The outermost layer of the skin is composed of?
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Stratified squamous
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Immovible joints are known as?
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Synarthrosis
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Instead of troponin, smooth muscle has what proteins?
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Calmodulin
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Extra bones sometimes found in the skull where the sutures interconnect are called?
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Wormian
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Which of the 4-carbon sugars are found in DNA?
sucrose, fructose, ribose, deoxyribose |
Deoxyribose
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Transverse foramina are only found in which vertebrae?
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Cervical
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Where are the receptors for acetylcholine located?
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Motor end plate
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Red bone marrow is closely associated with which types of bone?
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Spongy
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What type of sweat glands are thought to produce pheromones?
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Apocrine glands
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The sternum is made up of three bones, the very top one is called?
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Manubrium
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Genes are made up of all but?
guanine, thymine, cytosine, adenine, uracil |
Uracil
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Glands that secrete their products into ducts that open into some internal or external surface are called?
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Exocrine glands
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IN the presence of Calcium ions, myosin forms crossbridges with________.
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Actin protein molecules
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What is the function of intercalated discs?
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Speed impulse conduction through the muscle cell.
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What is the function of the tropomyosin troponin protein complex?
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It prevents actin from binding to myosin crosbridges.
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Where are intercalated discs found?
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Cardiac muscles
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Neurotransmitters are secreted at the ends of?
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Axons
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The muscle cell cytoplasm is known as?
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Sarcoplasm
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Synaptic vesicles are also known as?
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Boutons
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The segment of a myofibril that extends from Z-line to Z-line is called?
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Sarcomere
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What describes smooth muscle?
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Lacks striations
Have no T-Tubules. Has Norepinephrine + acetylcholine as transmitters. Have poorly defined sarcoplasmic reticulum. |
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Does cardiac muscle cells have only one nucleus?
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Yes
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What provides most of the power needed for muscle contraction?
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ATP
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What are the thick protein filaments called?
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Myosin
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The cell membrane of a skeletal muscle cell is known as the?
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Sarcolemma
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Irregular bones are which bones?
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Vertebrae & facial bones
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The light colored bands seen in the striations of skeletal muscles are known as?
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I - Bands
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The axial skeleton contains which bones?
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Bones of the head, neck, and trunk.
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The point where the two pubic bones articulate is known as the?
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Symphysis pubis
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The medullary cavity is lined with a membrane called the?
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Endosteum
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The layer of connective tissue that closely surrounds an individual skeletal muscle fiber is known as?
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Endomysium
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What bone contains the odontoid process (Dens)?
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Axis
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The shaft portion of a long bone is referred to as the?
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Diaphysis
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What is contained within the medullary cavity of a long bone?
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Adipose
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What neurotransmitter releases at the motor-end plate of skeletal muscle?
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Acetylcholine
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Myofibrils contain two kinds of protein filaments, they are?
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Myosin
Actin |
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Blood derived from one common ancestor, regardless of what blood types of blood cells RBC or WBC this is called?
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Pleuripotential stem cell.
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The cristi galli is part of which bone?
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Ethmoid
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What part of the brain lies within the sella trucica?
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Pituitary gland
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The largest long bone in the body is called?
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Femur
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The largest tarsal bone is known as the?
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Calcaneous
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Spongy bone is also known as?
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Cancellous bone
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The big toe contains how many phalanges?
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2
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The development of endochondrial bone involves the replacement of which of tissues with bone tissue?
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Cartilage
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What is the smallest bone in the lower leg?
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Fibula
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Bony projections coming off bone which allow for the attachment of tendons and ligaments are called?
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Processes
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How many bones are there in the skull?
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22
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The kneecap is called the?
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Patella
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Cacellous bone is located in the ________of the long bones.
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Epiphysis
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How many pairs of ribs are there?
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12
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The tailbone is called the?
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Coccyx
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Bones of the wrist are termed?
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Carpals
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An individual muscle is separated from adjacent muscles and held into position by tough fibrous connective tissue known as?
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Fascia
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The first cervical vertebrae is known as the?
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Atlas
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What is the funciton of bone tissue?
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Stores fat
Produces blood cells Protection of underlying structures. |
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The head of the femur attaches to what portion of the hip bone?
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Acetabulum
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What bones connect via cartilage forming the symphysis pubis?
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Pubis
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What bone is in the shoulder blade?
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Scapula
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