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Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
The body's ability to maintain stable internal conditions is referred to as ________.
_______
A)
homeostasis
B)
metabolism
C)
irritability
D)
output
The orbital cavities house the ________.
_______
A)
eyes
B)
mouth
C)
ears
D)
nose
________ refers to all of the chemical reactions in the body.
_______
A)
Irritability
B)
Hematopoiesis
C)
Metabolism
D)
Homeostasis
Edna tore a ligament in the patellar region and anticipates having difficulty with her ________.
_______
A)
wrist
B)
ankle
C)
elbow
D)
knee
A body part that is considered lateral is assumed to be ________.
_______
A)
toward the head end of the body
B)
close to the origin of a body part
C)
toward the midline of the body
D)
away from the midline of the body
E)
toward or at the front of the body
Which region is associated with the lower limb?
_______
A)
sacral
B)
axillary
C)
antebrachial
D)
Which of the following activities represents a physiological study?
______
A)
examining the surface of a bone
B)
observing how the heart contracts to pump blood
C)
viewing muscle tissue through a microscope
D)
making a section through the kidney to observe its interior
E)
studying how the layers of the skin are organized
Which type of section could be used to separate the thoracic cavity from the abdominopelvic cavity?
______
A)
coronal
B)
transverse
C)
dorsal
D)
ventral
E)
sagittal
The atomic mass number of an atom is equivalent to the number of ________.
______
A)
neutrons
B)
protons and neutrons
C)
protons
D)
protons and electrons
E)
electrons
Exchange reactions in which an acid and a base interact are known as ________.
______
A)
catabolic reactions
B)
anabolic reactions
C)
hydrolysis reactions
D)
decomposition reactions
E)
neutralization reactions
What type of bond results when electrons are completely transferred from one atom to another?
______
A)
ionic bond
B)
polar covalent bond
C)
hydrogen bond
D)
nonpolar covalent bond
E)
carbon bond
Which of the following is classified as an inorganic compound?
______
A)
protein
B)
triglyceride
C)
water
D)
glucose
E)
steroid
Which of the following contains sodium?
______
A)
NaCl
B)
C)
water molecules must be added to each bond
D)
water molecules must be removed from each bond
E)
carbon atoms must be added to each bond
What is the function of DNA?
______
A)
DNA provides instructions for building every protein in the body.
B)
DNA carries out the orders for protein synthesis issued by RNA.
C)
DNA increases the rate of a chemical reaction without becoming part of the product.
D)
DNA serves as the most important fuel for body cells.
E)
DNA serves as a form of chemical energy that all body cells can use.
Shell 1 of an atom can hold a maximum of ________ electron(s).
______
A)
B)
C)
D)
E)
Which of the following substances must travel across a membrane via facilitated diffusion?
______
A)
oxygen
B)
carbon dioxide
C)
glucose
D)
water
E)
fat-soluble vitamins
________ muscle tissue has no visible striations and is found in the walls of hollow organs.
______
A)
Skeletal
B)
Smooth
C)
Cardiac
D)
Dense regular
________ tissue is commonly called fat.
______
A)
Dense fibrous
B)
Adipose
C)
Bone
D)
Reticular
In cell division, the term that refers to division of the cytoplasm is ________.
______
A)
interphase
B)
cytokinesis
E)
osseous tissue
What assists the movement of substances by facilitated diffusion?
______
A)
ATP
B)
protein carrier or channel
C)
solute pumps
D)
aquaporins
E)
lysosomes
Which of the following is a vital function of the skin?
______
A)
The skin absorbs vitamin C so that the skin will not be subject to diseases.
B)
The skin converts modified epidermal cholesterol to vitamin D.
C)
The cells of the epidermis store glucose as glycogen for energy.
D)
The skin aids in desiccation.
E)
The skin aids in the transport of materials throughout the body.
Which of the following stimulates eccrine sweat glands to release sweat?
______
A)
dry skin
B)
high temperatures
C)
cold temperatures
D)
hormones, especially male sex hormones
E)
both by high temperatures and by hormones, especially male hormones
Your 70-year-old grandfather shows signs of loss of hair and some baldness. What age-related disorder do you suspect is
the cause?
______
A)
psoriasis
B)
milia
C)
dermatitis
D)
male pattern baldness
E)
lanugo
When James shaves his face, which portion of the hair is removed?
______
A)
hair root
B)
hair follicle
C)
hair matrix
D)
hair shaft
Julie experienced a break in the shaft of her femur. What part of her bone was fractured?
______
A)
epiphyseal line
B)
epiphysis
C)
epiphyseal plate
D)
diaphysis
E)
articular cartilage
What type of tissue covers the epiphysis of bones and reduces friction in the joints?
______
A)
articular cartilage
B)
atlas
What kind of tissue is the forerunner of long bones in the embryo?
______
A)
fibrocartilage
B)
loose fibrous connective tissue
C)
dense fibrous connective tissue
D)
elastic connective tissue
E)
hyaline cartilage
Which muscle forms the curved calf of the posterior leg?
______
A)
soleus
B)
fibularis longus
C)
gastrocnemius
D)
rectus femoris
E)
tibialis anterior
The arrangement of fascicles in orbicularis oris is ________.
______
A)
pennate
B)
fusiform
C)
circular
D)
convergent
The prime mover of arm abduction is the ________ muscle.
______
A)
biceps brachii
B)
deltoid
C)
triceps brachii
D)
trapezius
Which directional term best describes the location of the human nose?
______
A)
lateral
B)
distal
C)
posterior
D)
anterior
E)
inferior
The lungs and heart are situated in the ________ body cavity.
______
A)
thoracic
B)
dorsal
C)
cranial
D)
abdominopelvic
E)
spinal
B)
ions
C)
neutrons
D)
electrons
E)
protons
Which of the following would be classified as an enzyme?
______
A)
ATP
B)
triglyceride
C)
hydrolase
D)
cellulose
E)
cholesterol
An atom with 6 protons, 7 neutrons, and 6 electrons shares four pairs of electrons with four other atoms. This atom is now
considered to be ________.
______
A)
an ion
B)
a neutral atom
C)
stable
D)
a cation
E)
an anion
The process of transcription ________.
______
A)
transfers information from DNA into mRNA
B)
produces ATP from glucose and oxygen
C)
translates nucleic acids into amino acids
D)
occurs in the cytoplasm of the cell
E)
creates proteins from mRNA
Damaged tissues that are repaired by the same kind of cells experience a replacement process known as ________.
______
A)
regeneration
B)
inflammation
C)
fibrosis
D)
scarring
E)
clotting
The type of muscle found in the walls of hollow organs, such as the stomach, and in the walls of blood vessels is ________.
______
A)
cardiac muscle
B)
both smooth muscle and skeletal muscle
C)
smooth muscle
D)
skeletal muscle
E)
both cardiac muscle and skeletal muscle
What type of burn only involves injury to the superficial epidermis?
______
A)
third
B)
first
C)
second
insulin
Why are calcium ions necessary for skeletal muscle contraction?
______
A)
Calcium ions bind to regulatory proteins on the myosin filaments, changing both their shape and their position on the
thick filaments.
B)
Calcium ions increase the speed of the action potential transmitted along the sarcolemma.
C)
Calcium ions cause ATP binding to actin.
D)
Calcium ions release the inhibition on Z discs.
E)
Calcium ions trigger the binding of myosin heads to actin filaments.
Which regions of the abdominopelvic cavity house the lower ribs?
______
A)
right and left lumbar regions
B)
right and left hypochondriac regions
C)
right and left inguinal regions
D)
right and left pubic regions
E)
right and left iliac (inguinal) regions
Which of the following statements about RNA is true?
______
A)
RNA is a single nucleotide strand.
B)
RNA contains a sugar called deoxyribose.
C)
RNA is composed of the bases cytosine, guanine, adenine, and thymine.
D)
RNA is the genetic material found within the cell nucleus.
E)
RNA is found only in the nucleus of the cell.
The nucleotides of DNA join in a complementary way in which adenine pairs with ________ while cytosine pairs with
________.
______
A)
thymine; guanine
B)
uracil; guanine
C)
adenine; cytosine
D)
guanine; thymine
A splinter pierces through the epidermal layers of the sole of the foot in the following order:
- stratum basale
- stratum corneum
- stratum granulosum
- stratum lucidum
- stratum spinosum
______
A)
B)
C)
D)
E)
Which method of regenerating ATP during muscle contraction can produce lactic acid?
______
A)
direct phosphorylation
B)
anaerobic glycolysis
C)
oxidative phosphorylation
D)
aerobic cellular respiration
E)
