BIO 168 EXAM QUESTIONS AND
ANSWERS 100% PASS
smooth muscle and cardiac muscle - ✔✔Which type of muscle tissue is
involuntary (can't be consciously controlled)?
permiysium - ✔✔Skeletal muscle is covered, surrounded and protected by
various layers of connective tissue. Which layer of connective tissue would
surround a bundle of muscle fibers (muscle cells)?
Elasticity - ✔✔Muscular tissue has several important properties, such as
electrical excitability. Another property of muscular tissue is that it is able
to stretch, and return to its original size and shape. Which property of
muscular tissue is this?
neuromuscular junction - ✔✔The site where a somatic motor neuron
releases acetylcholine to stimulate a skeletal muscle fiber is called the
1
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,myoglobin - ✔✔Which of the following molecules found in skeletal muscle
cells binds oxygen that can later be used during aerobic metabolism to help
generate ATP?
z discs - ✔✔Which structure occurs at the border between two adjacent
sarcomeres? Consult the image for assistance.
acetylcholine - ✔✔Which of the following is directly responsible for
transmitting an action potential from a motor neuron to a skeletal muscle
fiber?
slow oxidative fibers - ✔✔If you are an endurance athlete, you especially
rely on which type of skeletal muscle fiber to perform your sport?
fascia - ✔✔the sheet or broad band of fibrous connective tissue that
supports and surrounds muscles and other organs of the body is called
Ca+2 - ✔✔Which ion is required for exocytosis of ACh?
troponin - ✔✔Which protein does Calcium bind to?
skeletal muscle and the liver. - ✔✔Glycogen reserves can release glucose
for cellular respiration. Glycogen reserves are typically found in
2
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, Calcium - ✔✔The sarcoplasmic reticulum contains
acteylcholinesterase - ✔✔Muscle relaxation requires which enzyme in
order to clear the action potential?
sarcomere. - ✔✔The muscle cell's contracting unit is known as the
Calcium ions attach to troponin which slides tropomyosin off binding sites
on actin. - ✔✔How are binding sites on actin exposed?
fixator - ✔✔A muscle that acts as a __________ stabilizes the origin of the
prime mover so that the prime mover may act more efficiently.
abductor - ✔✔Which term best applies to a muscle that acts to move a bone
away from the midline of the body?
masseter - ✔✔Which of the following is the strongest muscle of
mastication?
rectus abdominis - ✔✔Exercise can produce a fashionable "six pack" of
toned muscles. Which of the following muscles is involved in giving the
appearance of this defined pack of muscles?
3
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ANSWERS 100% PASS
smooth muscle and cardiac muscle - ✔✔Which type of muscle tissue is
involuntary (can't be consciously controlled)?
permiysium - ✔✔Skeletal muscle is covered, surrounded and protected by
various layers of connective tissue. Which layer of connective tissue would
surround a bundle of muscle fibers (muscle cells)?
Elasticity - ✔✔Muscular tissue has several important properties, such as
electrical excitability. Another property of muscular tissue is that it is able
to stretch, and return to its original size and shape. Which property of
muscular tissue is this?
neuromuscular junction - ✔✔The site where a somatic motor neuron
releases acetylcholine to stimulate a skeletal muscle fiber is called the
1
100% Pass Guarantee Katelyn Whitman, All Rights
,myoglobin - ✔✔Which of the following molecules found in skeletal muscle
cells binds oxygen that can later be used during aerobic metabolism to help
generate ATP?
z discs - ✔✔Which structure occurs at the border between two adjacent
sarcomeres? Consult the image for assistance.
acetylcholine - ✔✔Which of the following is directly responsible for
transmitting an action potential from a motor neuron to a skeletal muscle
fiber?
slow oxidative fibers - ✔✔If you are an endurance athlete, you especially
rely on which type of skeletal muscle fiber to perform your sport?
fascia - ✔✔the sheet or broad band of fibrous connective tissue that
supports and surrounds muscles and other organs of the body is called
Ca+2 - ✔✔Which ion is required for exocytosis of ACh?
troponin - ✔✔Which protein does Calcium bind to?
skeletal muscle and the liver. - ✔✔Glycogen reserves can release glucose
for cellular respiration. Glycogen reserves are typically found in
2
100% Pass Guarantee Katelyn Whitman, All Rights
, Calcium - ✔✔The sarcoplasmic reticulum contains
acteylcholinesterase - ✔✔Muscle relaxation requires which enzyme in
order to clear the action potential?
sarcomere. - ✔✔The muscle cell's contracting unit is known as the
Calcium ions attach to troponin which slides tropomyosin off binding sites
on actin. - ✔✔How are binding sites on actin exposed?
fixator - ✔✔A muscle that acts as a __________ stabilizes the origin of the
prime mover so that the prime mover may act more efficiently.
abductor - ✔✔Which term best applies to a muscle that acts to move a bone
away from the midline of the body?
masseter - ✔✔Which of the following is the strongest muscle of
mastication?
rectus abdominis - ✔✔Exercise can produce a fashionable "six pack" of
toned muscles. Which of the following muscles is involved in giving the
appearance of this defined pack of muscles?
3
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