BSC2085 EXAM 3 REVIEW UPDATED ACTUAL Questions and
CORRECT Answers
Which of the following statements is not true of skeletal It is involuntary.
muscle?
The triceps brachii flexes the arm at the elbow. False
Actin is the light filament in skeletal muscle cells. True
The hamstring muscles act to flex the knee
Myosin is the contractile protein that forms the thin False
filaments.
Single-unit smooth muscle is found in the walls of blood true
vessels and hollow organs.
Which of the following is not a muscle of the abdomen? iliopsoas
A muscle located at the angle of the jaw and used in masseter
chewing.
The muscle that covers the shoulder. deltoid
A muscle of the cheek. buccinator
A muscle located between the ribs. intercostal
A muscle located on the upper part of the chest. pectoralis major
In the anatomic lever systems, the fulcrum is the joint
_____________.
The contractile protein that forms the thick filaments of true
muscle cells is the myosin.
The muscular portion of the wall of the heart is referred false
to as the endocardium.
The contractile protein that forms the thin filaments in true
muscle is the actin.
The platysma is a superficial muscle of the anterior neck true
that wrinkles the skin when contracted.
, An aponeurosis is a broad sheet of connective tissue that true
attaches a muscle to a bone.
A mixture that contains larger particles that are colloid
heterogeneous and appear translucent or cloudy
If you weigh 100 pounds, your body contains close to 60 true
pounds of water.
A substance that helps to maintain a stable hydrogen buffer
ion concentration in a solution
The science that deals with the composition of all chemistry
matter
The part of the atom containing most of its mass nucleus
including protons and neutrons
The smallest complete unit of matter atom
Term for the chemical compounds that characterize organic
living things
A substance composed of one type of atom element
The pH scale ranges from 0-14
A pH of 10.0 is neutral. false
Which of the following is not an organic compound? water
Proteins are composed of smaller units called amino true
acids.
An element needed to metabolize nutrients for energy. oxygen
A mixture in which the components separate unless suspension
shaken.
A charged atom or group of atoms. ion
The term for complex compounds that are found in organic
living things.
A mixture in which the components remain evenly solution
distributed.
An element found in table salt. chlorine
CORRECT Answers
Which of the following statements is not true of skeletal It is involuntary.
muscle?
The triceps brachii flexes the arm at the elbow. False
Actin is the light filament in skeletal muscle cells. True
The hamstring muscles act to flex the knee
Myosin is the contractile protein that forms the thin False
filaments.
Single-unit smooth muscle is found in the walls of blood true
vessels and hollow organs.
Which of the following is not a muscle of the abdomen? iliopsoas
A muscle located at the angle of the jaw and used in masseter
chewing.
The muscle that covers the shoulder. deltoid
A muscle of the cheek. buccinator
A muscle located between the ribs. intercostal
A muscle located on the upper part of the chest. pectoralis major
In the anatomic lever systems, the fulcrum is the joint
_____________.
The contractile protein that forms the thick filaments of true
muscle cells is the myosin.
The muscular portion of the wall of the heart is referred false
to as the endocardium.
The contractile protein that forms the thin filaments in true
muscle is the actin.
The platysma is a superficial muscle of the anterior neck true
that wrinkles the skin when contracted.
, An aponeurosis is a broad sheet of connective tissue that true
attaches a muscle to a bone.
A mixture that contains larger particles that are colloid
heterogeneous and appear translucent or cloudy
If you weigh 100 pounds, your body contains close to 60 true
pounds of water.
A substance that helps to maintain a stable hydrogen buffer
ion concentration in a solution
The science that deals with the composition of all chemistry
matter
The part of the atom containing most of its mass nucleus
including protons and neutrons
The smallest complete unit of matter atom
Term for the chemical compounds that characterize organic
living things
A substance composed of one type of atom element
The pH scale ranges from 0-14
A pH of 10.0 is neutral. false
Which of the following is not an organic compound? water
Proteins are composed of smaller units called amino true
acids.
An element needed to metabolize nutrients for energy. oxygen
A mixture in which the components separate unless suspension
shaken.
A charged atom or group of atoms. ion
The term for complex compounds that are found in organic
living things.
A mixture in which the components remain evenly solution
distributed.
An element found in table salt. chlorine
