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WorksheetsOhlsen muscular system
Total questions: 20
Worksheet time: 10mins
How does skeletal muscle tissue contribute to homeostasis?
by generating heat that helps maintain body temperature
by moving materials through the body
by pumping blood through the body
all of these
How can muscle fibers produce ATP?
from direct phosphorylation by creatine phosphate
through aerobic respiration
through anaerobic respiration (lactic acid fermentation)
all of these
What is required to be released by the sarcoplasmic reticulum in order for the actin-myosin cross bridges to form?
ACh
ATP
Ca+2
tropin
The contracted sarcomere is _______ than the relaxed sarcomere.
longer
shorter
the same length
all of these are possible depending on the type of sarcomere
The biceps brachii and triceps brachii are on opposite sides of the arm because
they work together to flex the arm.
they work together to extend the arm.
they are synergists of each other.
they work against each other.
Acetylcholine
is the neurotransmitter at the neuromuscular junction.
is broken down by acetylcholinesterase.
binds to receptors on the muscle cell membrane.
all of these
A motor unit includes
muscle fibers only.
motor neurons only.
several motor neurons and one muscle fiber.
several muscle fibers and one motor neuron.
Which type of fascicle arrangement has more power?
bipennate
strap (parallel)
circular
all these have the same power
Which of the following muscles is named due to its shape?
adductor longus
deltoid
supinator
triceps brachii
Which of the following muscles is named due to its size?
deltoid
extensor digitorum
rectus abdominis
vastus lateralis
Which of the following muscles is named due to its location?
adductor muscle
fibularis longus
platysma
trapezius
Which of the following muscles is named due to its function?
flexor carpi radialis
sternocleidomastoid
temporalis
transversus abdominis
Which of the following muscles is named due to the direction of the fibers?
frontalis
internal obliques
sternocleidomastoid
triceps brachii
Which of the following muscles is named due to the number of origins?
biceps brachii
biceps femoris
triceps femoris
all of these
Which of the following muscles is named due to the arrangement of the fascicles?
deltoid
gluteus medius
orbicularis oculi
semimembranosus
Shivering
generates heat
increases blood flow
causes goose bumps
cools the body
Which of the following is a function of the muscular system?
Maintaining posture & body position
Producing movement
Stabilizing joints
All of these
The muscular system refers to
cardiac muscle
skeletal muscle
smooth muscle
all of these
Oxidative phosphorylation creates a considerable amount of ATP in the
endoplasmic reticulum.
mitochondria.
nucleus.
sarcoplasmic reticulum.
property allowing muscle to shorten forcefully when stimulated by an action potential
contractility
elasticity
excitability
extensibility
