Question 1
Question
Which pigment of skin is responsible for a dark brown/black color and absorbs UV rays to protect DNA?
Answer
-
hemoglobin
-
melanin
-
carotene
-
keratin
Question 2
Question
Which layer of skin contains dead skin cells?
Answer
-
stratum spinosum
-
stratum basale
-
stratum corneum
-
stratum granulosum
Question 3
Question
Which layer of skin contains ridges and sweat pores that give us fingerprints?
Answer
-
dermis
-
epidermis
-
hypodermis
Question 4
Question
This layer of skin does not contain blood vessels:
Answer
-
dermis
-
epidermis
-
hypodermis
Question 5
Question
Which type of gland secretes sebum into a hair follicle?
Answer
-
eccrine
-
apocrine
-
merocrine
-
sebaceous
Question 6
Question
Which sweat glands are found in the axillary and anogenital regions (may act as pheromones)?
Answer
-
apocrine
-
eccrine
-
sebaceous
-
mammary
Question 7
Question
In which ways does the skin maintain homeostasis of internal body temperature when a person is TOO HOT?
Answer
-
the nervous system activates sweat glands
-
dilation of dermal blood vessels
-
contraction of arrector pili
-
A and B
Question 8
Question
Which of these types of tissues is responsible for movement?
Answer
-
connective
-
muscle
-
nervous
-
epithelial
Question 9
Question
Where is simple squamous epithelium found?
Answer
-
lungs
-
bladder
-
digestive tract
-
intervertebral discs
Question 10
Question
Which of these is a distinguishing apical surface feature of psuedostratified columnar epithelium?
Answer
-
microvilli
-
cilia
-
goblet cell
-
none of these
Question 11
Question
Where is transitional epithelium found?
Answer
-
lungs
-
bladder
-
digestive tract
-
intervertebral discs
Question 12
Question
Goblet cells release
Answer
-
sebum
-
sweat
-
mucus
-
enzymes
Question 13
Question
The type of tissue responsible for support, protection, binding, fat storage, and blood transport is:
Answer
-
epithelial
-
connective
-
muscle
-
nervous
Question 14
Question
What do mast cells release that contributes to the symptoms of allergies?
Answer
-
histamine
-
platelets
-
hormones
-
macrophages
Question 15
Question
Which type of connective tissue fiber is the strongest?
Answer
-
collagen
-
reticular
-
elastic
Question 16
Question
Which type of connective tissue fiber can be stretched easily and recoil?
Answer
-
elastic
-
collagen
-
reticular
Question 17
Question
Which type of connective tissue fibers lends delicate support to soft organs?
Answer
-
collagen
-
reticular
-
elastic
Question 18
Question
_______________ connective tissue stores fat.
Question 19
Question
Which type of cartilage is the most abundant and found in the ribs and ends of long bones?
Answer
-
hyaline
-
elastic
-
fibrocartilage
Question 20
Question
Which type of cartilage is the strongest, containing the most collagen fibers, and is found in the vertebral column?
Answer
-
elastic
-
fibrocartilage
-
hyaline
Question 21
Question
Which of these statements about cartilage is false:
Question 22
Question
Which of these is not in blood?
Answer
-
red blood cells
-
white blood cells
-
platelets
-
plasma
-
these are all in blood
Question 23
Question
Which of these muscle tissues is under voluntary control?
Question 24
Question
Where is smooth muscle found?
Answer
-
brain
-
heart
-
spine
-
digestive organs
Question 25
Question
According to shape, the bones of the skull are:
Answer
-
short bones
-
long bones
-
flat bones
-
irregular bones
Question 26
Question
Which feature of bone helps reduce the bone's weight?
Answer
-
epiphyseal plate
-
osteon
-
marrow
-
trabeculae
Question 27
Question
The Haversian (central) canal contains:
Answer
-
marrow
-
blood vessels
-
nerve fibers
-
B and C
Question 28
Question
Which of these bones forms via intramembranous ossification?
Answer
-
humerus
-
skull
-
femur
-
patella
Question 29
Question
Bone cells that are responsible for secreting bone matrix are called:
Answer
-
osteoclasts
-
osteoblasts
-
osteocytes
-
chondroblasts
Question 30
Question
The disease in which osteoclast activity outweighs osteoblast activity is:
Answer
-
Osteomalacia
-
Osteoporosis
-
Paget's
-
Rickett's
Question 31
Question
Which hormone is responsible for normal bone growth and development?
Question 32
Question
Yellow marrow stores:
Answer
-
fat
-
red blood cells
-
platelets
-
white blood cells
Question 33
Question
Where is red marrow primarily found?
Answer
-
medullary cavity
-
spongy bone
-
compact bone
-
epiphyseal plate
Question 34
Question
The striations of skeletal muscle form a repeating pattern of units called:
Answer
-
sarcomeres
-
myofibrils
-
tendons
-
osteons
Question 35
Question
Thick filaments are made of the protein:
Answer
-
troponin
-
tropomyosin
-
actin
-
myosin
Question 36
Question
What is a cross bridge?
Answer
-
when a nerve impulse travels to a muscle fiber to cause contraction
-
when a myosin head binds to an actin filament
-
when a neurotransmitter is release in the synaptic cleft
-
none of these
Question 37
Question
Which protein in a muscle cells stores oxygen?
Answer
-
actin
-
myosin
-
hemoglobin
-
myoglobin
Question 38
Question
Which ion is needed for muscle contraction to occur?
Answer
-
sodium
-
calcium
-
chloride
-
potassium
Question 39
Question
What does the sliding filament theory say?
Answer
-
thick and thin filaments do not really change in length
-
the thin filaments slide over the thick filaments
-
the thick filaments slide over the thin filaments
-
A and B
Question 40
Question
Which neurotransmitter is responsible for muscle contraction?
Answer
-
adensosine
-
serotonin
-
GABA
-
acetylcholine
Question 41
Question
An Olympic sprinter will have more:
Answer
-
fast twitch fibers
-
slow twitch fibers
Question 42
Question
When a muscle fiber cannot relax, ______________ occurs.
Answer
-
summation
-
twitch
-
tetanus
-
none of these
Question 43
Question
Which of these statements about smooth muscle contraction is false:
Answer
-
Smooth muscle is slower to contract and relax than skeletal muscle.
-
Smooth muscle can maintain a forceful contraction longer
-
Smooth muscle fibers can change length without changing tautness
-
Smooth muscle fibers are striated
Question 44
Question
Intercalated discs are unique to:
Answer
-
smooth muscle
-
skeletal muscle
-
cardiac muscle
Question 45
Question
_______________ of a muscle decreases an angle, while ______________ increase an angle.
Answer
-
rotation, extension
-
adduction, flexion
-
flexion, extension
-
extension, flexion
Question 46
Question
ATP is needed for:
Answer
-
contraction
-
relaxation
-
both
Question 47
Question
Which of these muscles is not responsible for facial expression?
Answer
-
Deltoid
-
Buccinator
-
Orbicularis oris
-
Epicranius
Question 48
Question
Which of these muscles is not responsible for moving the arm?
Answer
-
Teres major
-
Pectoralis major
-
Deltoid
-
Gastrocnemius
Question 49
Question
Which of these muscles is not responsible for moving the forearms?
Answer
-
Triceps brachii
-
Brachialis
-
Soleus
-
Biceps brachii
Question 50
Question
Which of these muscles is not in the lower leg?
Answer
-
Gastrocnemius
-
Soleus
-
Tibialis anterior
-
Gluteus maximux
Question 51
Question
Order the following structures from smallest to largest:
Answer
-
molecules---atoms----organelle----cell---tissue
-
atoms---molecules---organelle---cell---tissue
-
tissue---cell---organelle---molecules---atoms
-
cell-organelle---molecules---atoms
Question 52
Question
Which of these is not a requirement of an organism?
Question 53
Question
An example of negative feedback is:
Answer
-
a high body temperature provokes shivering to warm up
-
oxytocin induces uterine contractions
-
a high body temperature provokes sweating to cool off
-
platelets provoke further bloodclotting
Question 54
Question
The parietal and visceral pleura is found around the:
Answer
-
Heart
-
Digestive organs
-
Lungs
-
Reproductive organs
Question 55
Question
Which of these organs is not found in the thoracic cavity?
Answer
-
heart
-
lung
-
stomach
-
bladder
-
C and D
Question 56
Question
A frontal (coronal) plane divides the body into:
Question 57
Question
The brain, spinal cord, and nerves make up the:
Answer
-
nervous system
-
cardiovascular system
-
urinary system
-
respiratory system
Question 58
Question
The sternum is __________ to the arms.
Answer
-
inferior
-
lateral
-
medial
-
superior
Question 59
Question
The ankle is _______ to the knee.
Answer
-
proximal
-
posterior
-
distal
-
lateral
Question 60
Question
Patellar is a regional term referring to the:
Question 61
Question
******* Oxygen has 8 protons and 8 neutrons********
What is oxygen's atomic number?
Question 62
Question
******** Oxygen has 8 protons and 8 neutrons ********
What is oxygen's atomic weight?
Question 63
Question
******** Oxygen has 8 protons and 8 neutrons ********
How many electrons does oxygen have?
Question 64
Question
An atom that has the same number or protons but different number of neutrons is call a(n):
Question 65
Question
A(n) ______________ bond is formed when electrons are transferred between atoms, resulting in one atom that lost an electron and one atom that gained an electron.
Answer
-
hydrogen
-
ionic
-
covalent
-
polar covalent
Question 66
Question
The chemical bond between atoms that equally share electrons is called a ___________ bond.
Answer
-
hydrogen
-
polar covalent
-
covalent
-
ionic
Question 67
Question
In sodium chloride, Na+ Cl-, the anion is ________ and the cation is ________.
Answer
-
sodium, chloride
-
chloride, sodium
Question 68
Question
Which of these is an example of a synthesis reaction?
Answer
-
amino acids joining to make a protein
-
glucose molecules joining together to make glycogen
-
glycogen breaking down to form glucose molecules
-
A and B
Question 69
Question
Which of these describes a catabolic reaction?
Answer
-
A + B ---> AB
-
AB + CD ---> AC + BD
-
AB ----> A + B
-
None of these
Question 70
Question
Which of these is a strong acid?
Question 71
Question
Which of these is not a lipid?
Answer
-
steroids
-
fats
-
fructose
-
triglyceride
Question 72
Question
The building blocks of a carbohydrate are:
Answer
-
amino acids
-
polysaccharides
-
monosaccharides
-
disasscharides
Question 73
Question
What makes each amino acid unique?
Question 74
Question
If the 3D structure of an amino acid is denatured, what happens?
Answer
-
the protein loses its shape and may not work
-
chemical reactions occur faster
-
special properties of that protein are lost
-
A and C
Question 75
Question
The building blocks of nucleic acids are:
Answer
-
monosaccharides
-
phosphate
-
nucleotides
-
amino acids
Question 76
Question
A double helix, a sugar phosphate backbone, and a nitrogenous base are all characteristics of:
Question 77
Question
A reaction joining monomers to create a polymer requires:
Question 78
Question
A reaction breaking down a polymer to monomers requires:
Question 79
Question
What is the plasma membrane of a cell made of (that causes selective permeability)?
Answer
-
amino acids
-
nucleic acids
-
phospholipids
-
sugars
Question 80
Question
What is the function of a ribosome?
Answer
-
helps with cell division (mitosis)
-
site of protein synthesis
-
packages and sorts vesicles
-
makes ATP
Question 81
Question
What is the function of the mitochondria?
Answer
-
site of protein synthesis
-
helps with cell division (mitosis)
-
makes ATP
-
packages and sorts vesicles
Question 82
Question
What is the function of a lysosome?
Answer
-
packages and sorts vesicles
-
contains digestive enzymes to get rid of old cellular parts
-
breaks down toxic substances in cells into H202 and water
-
site of protein synthesis
Question 83
Question
Which of these is not part of the cytoskeleton?
Answer
-
nuclear envelope
-
microfilament
-
microtubule
-
intermediate filament
Question 84
Question
Which motile cell structure in our respiratory tract helps get rid of mucus?
Answer
-
flagella
-
microvilli
-
cilia
-
centriole
Question 85
Question
What is a chromatin?
Question 86
Question
What is diffusion?
Answer
-
the tendency of a substance to move from an area of low concentration to an area of high concentration
-
the tendency of a substance to move from an area of high concentration to an area of low concentration
-
the movement of water across a selectively permeable membrane into a compartment containing solute that cannot cross the same membrane
-
none of these
Question 87
Question
Which of these substances moves into the cell via facilitated diffusion?
Answer
-
oxygen
-
carbon dioxide
-
glucose
-
lipid soluble substances
Question 88
Question
Solutions that have a higher osmotic pressure than body fluids (aka cells will shrink) are called:
Answer
-
hypertonic
-
hypotonic
-
isotonic
-
none of these
Question 89
Question
______________ transport is when a substance moves from a low concentration to a high concentration (aka running up a hill), and requires___________.
Question 90
Question
In which phase of the cell cycle do chromosomes line up in preparation to move to opposite poles?
Answer
-
prophase
-
metaphase
-
anaphase
-
telophase
Question 91
Question
In which phase of the cell cycle does the chromatin condense into chromosomes and the centrioles move to opposite ends of the cell?
Answer
-
prophase
-
metaphase
-
anaphase
-
telophase
Question 92
Question
________ is division of the nucleus, and __________ is division of the cytoplasm.
Answer
-
cytokinesis, mitosis
-
mitosis, cytokinesis
-
meiosis, mitosis
-
mitosis, meiosis
Question 93
Question
Which of these cells undergoes apoptosis regularly?
Answer
-
cardiac cell
-
skeletal cell
-
uterine lining cell
-
nerve cell
Question 94
Question
An anabolic reaction is synonymous with a ______________ reaction.
Answer
-
decomposition
-
synthetic
-
displacement
-
oxidation reduction
Question 95
Question
How do catalysts work?
Question 96
Question
ATP ----> ADP + P
Which reaction occurred above?
Answer
-
synthesis
-
decomposition
-
displacement
-
oxidation reduction
Question 97
Question
Where is the potential energy in ATP stored?
Answer
-
in the phosphate bonds
-
in the adenosine
Question 98
Question
What is an enzyme?
Answer
-
a lipid
-
a biological catalyst
-
a protein
-
B and C
Question 99
Question
If a cell needs droplets of liquid from the extracellular environment, which process occurs?