BIO 290 Week 4 WileyPLUS Quiz

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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

 
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