Week 6 BIO 230
The orbicularis oris is _____buccinator. Select one: a. inferior b. superior c. frontal d. medial
b. superior
The fibularis bervis is _____ to the popliteus. Select one: a. proximal b. positioned c. reduced d. none of the above
d. none of the above
What kind of muscle tissue is multinucleated? Select one: a. Skeletal b. Cardiac c. Smooth d. All of the above
a. Skeletal
Which of the following is an organ in the body? Select one: a. a skeletal muscle b. cardiac muscle tissue c. actin d. All of the above
a. a skeletal muscle
Where does the cross bridge form? Select one: a. between the myosin heads and actin b. between the myosin tails and actin c. between the tail of the actin and the head of the myosin d. None of the above
a. between the myosin heads and actin
Which organ from the list contains smooth muscle? Select one: a. stomach b. diaphragm c. biceps brachii d. heart
a. stomach
What are some primary ways in which muscles get names? Select one: a. Shape and size only b. Shape, other muscles in the area and size c. Shape and contractile qualities d. Other muscles in the area, color and shape
b. Shape, other muscles in the area and size
Which kinds of muscle tissue is striped, or striated? Select one: a. smooth and cardiac b. cardiac and skeletal c. skeletal and smooth d. cardiac and smooth
b. cardiac and skeletal
The dense connective tissue that wraps each skeletal muscle in a sheath is ____. Select one: a. endomysium b. epimysium c. perimysium d. All of the above
b. epimysium
Which muscles rotate, abduct and also adduct the thigh? Select one: a. gluteal and rotator muscles b. gluteal and thigh muscles c. gluteal muscles only d. pelvic flood muscles
b. gluteal and thigh muscles
How would you get to the maximum contractile strength of a skeletal muscle? Select one: a. contract all fibers to their maximum contractile length b. recruit all motor units c. recruit connective units into the contraction d. use supplementary muscles to squeeze the contracting muscle laterally
b. recruit all motor units
What are the four big picture categories of tissue in the body? Select one: a. Muscle, Nervous, Epidermis, Connective b. Muscle, Nervous, Epithelial, Skeletal c. Muscle, Nervous, Epithelial, Connective d. Epithelial, Connective, Cardiac, Muscle
c. Muscle, Nervous, Epithelial, Connective
Which type of muscle tissue is under voluntary control? Select one: a. Skeletal and Smooth b. Cardiac c. Skeletal d. Smooth and Cardiac
c. Skeletal
Which type of muscle tissue moves food through the digestive system? Select one: a. Skeletal b. Cardiac c. Smooth d. Digestive
c. Smooth
What are the boundaries of each sarcomere? Select one: a. M line to Z line b. A line to Z line c. Z line to Z line d. A line to M line
c. Z line to Z line
Which of the following is extremely important in muscle contraction? Select one: a. acids and bases b. fluoride c. sodium d. calcium
d. calcium
Muscle fibers is another name for: Select one: a. vascular structures in muscles b. fibrous connective tissue c. muscle texture d. muscle cells
d. muscle cells
If you were trying to lift a box that was too heavy and you could not move the box from the floor despite much effort, what kind of muscle contraction has taken place? Select one: a. concentric b. eccentric c. isotonic d. none of the above
d. none of the above
The primary muscle responsible for any movement is called the: Select one: a. specialist b. principal c. antagonist d. none of the above
d. none of the above
What does the term brevis mean when included in a muscle name? Select one: a. strongest b. roundest c. longest d. none of the above
d. none of the above
