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BIO 290 Week 4 WileyPLUS Quiz
Complete the Week 4 WileyPLUS Quiz
Question 1
Which of the following is not a correct function of muscle?
Excitability
Extensibility
Generation of heat
Hormone production
Question 2
The Transverse Tubules (T-Tubules) are continuous with which of the following?
Golgi apparatus
Mitochondria
Sarcolemma
Sarcoplasmic reticulum
Question 3
Which of the following is considered to be the smallest component of a myofibril?
Muscle fascicle
Myofilament
Muscle fiber/cell
Sarcolemma
Question 4
Binding of acetylcholine to the postsynaptic membrane receptor causes what ion to rush into the muscle and start an action potential?
Calcium
Phosphate
Sodium
Zinc
Question 5
The length of a myosin molecule corresponds to which of the following?
A-band/zone
H-band/zone
I-band/zone
M-band/zone
Question 6
Calcium can bind to what muscle protein?
Actin
Myosin
Troponin
Tropomyosin
Question 7
As an action potential passes down a motor neuron, what channels are opened prior to the synaptic bulb that causes vesicles to bind to the presynaptic membrane?
Calcium
Magnesium
Potassium
Sodium
Question 8
Generation of the power stroke occurs during what stage of muscle contraction?
Excitation
Excitation-contraction coupling
Cross-bridge cycling
Relaxation
Question 9
Skeletal muscle will continue to contract as long as what two molecules are available?
Sodium and calcium
Calcium and ATP
ATP and sodium
Magnesium and calcium
Question 10
What molecule is pyruvic acid converted into when oxygen is not present?
Acetylcholine
Lactic acid
Myoglobin
Tropomyosin
Question 11
Which muscle is not a muscle of mastication?
Masseter
Medial Pterygoid
Orbicularis oris
Temporalis
Question 12
Which muscle is not a capable of elevating the scapula?
Latissimus dorsi
Levator scapulae
Rhomboid major
Trapezius
Question 13
What muscle does not attach to the scapula?
Biceps brachii
Latissimus dorsi
Subscapularis
Triceps brachii
Question 14
What quadriceps muscle crosses both the hip and the knee joint?
Biceps femoris
Rectus femoris
Vastus medialis
Vastus lateralis
Question 15
What muscle is capable of plantarflexion?
Gastrocnemius
Gluteus maximus
Rectus femoris
Tibialis anterior