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WorksheetsBIOS 1030 Exam 2
Total questions: 83
Worksheet time: 6hrs 20mins
What is a tissue?
A group of proteins working towards a common function
A group of cells in the same place
A group of cells with similar structures working towards a common function
The layer of epithelial cells above the dermis
What type of epithelial tissue is this?
Stratified squamous
Simple columnar
Simple squamous
Stratified cuboidal
(a) is a tissue that contains tightly packed cells connected by junctions
Where are epithelial tissues found in the body? Select all that apply
Epidermis of skin
Linings of organs
In the hypodermis
Glands
In the central nervous system
What type of cells are found in adipose tissue?
Osteocytes
Chrondocytes
Red blood cells
Adipocytes
What type of cells are found in cartilage tissue?
Chrondocytes
Osteocytes
Red blood cells
Adipocytes
What type of cells are found in bone tissue?
Chrondocytes
Osteocytes
Red blood cells
Adipocytes
What type of matrix is found in blood tissue?
Flexible matrix
Hard and solid matrix
Collagen matrix
Plasma matrix
Name the two types of bone tissue
(a)
True or false: skeletal muscles are associated with involuntary movement
True
False
Select the type(s) of muscle that contain multiple nuclei
Cardiac
Smooth
Skeletal
What are the two types of cells found in nervous tissue?
Osteons and neurons
Neurons and glial cells
Osteons and adipocytes
Glial cells and adipocytes
Which of the following correctly matches the cell too its function
Glial cells- supporting neurons
Neurons- supporting glial cells
Glial cells- transmitting electrical signals
Adipocytes- transmitting electrical signals
_____________ are indents found at the top of the dermis that appear as fingerprints
Finger ridges
Dermis
Dermal ridges
Dermal indents
Which layer of skin does skin cancer originate in?
Dermis
Hypodermis
Epidermis
What is the topmost layer of the skin that contains blood vessels?
Epidermis
Dermis
Hypodermis
What are the functions of the integumentary system?
(a)
Which of the following correctly labels the ABCDE's of skin cancer?
A- asymmetry, B- big, C- color, D- dangerous-looking, E- evolving
A- angry, B- bad, C- color, D- different, E- energy
A- asymmetry, B- bloating, C- color, D- diameter, E- evolving
A- asymmetry, B- border irregularity, C- color, D- diameter, E- evolving
Which layer of the skin contains mostly adipose tissue?
Epidermis
Dermis
Hypodermis
None
What type of muscle would be found in hollow organs such as the bladder?
Skeletal
Cardiac
Smooth
What type of epithelial tissue is shown in this image?
Simple squamous
Simple columnar
Simple cubodial
Stratified squamous
Which of the following is considered a cell?
ATP
Myofibril
Sarcomere
Muscle fiber
Slow twitch muscle fibers have :
High mitochondria density and low capillary density
High mitochondria density and high capillary density
Low mitochondria density and high capillary density
Low mitochondria density and low capillary density
Fast twitch muscle fibers are associated with what type of metabolism?
Cellular respiration (aerobic)
Anaerobic
Which of the following correctly matches the type of muscle fiber with its characteristic?
slow twitch; white in color
slow twitch; low in myoglobin
fast twitch; high in glycogen
fast twitch; high mitochondria density
Slow twitch fibers are most likely to used during _____, while fast twitch fibers are more likely to be used during _______.
Sprinting; marathon running
Basketball; swimming
Weight lifting; sprinting
Marathon running; sprinting
Blood is carried in the right direction by:
Valves
Gravity
hemoglobin
Skeletal muscles
Stents
Which of the following structures regulates the pace of heart rate?
Right atrium
Aorta
Left ventricle
SA node
Where is the SA node located?
Right atrium
Right ventricle
Left atrium
Left ventricle
___________ are thick muscular tubes that carry blood away from the heart
Veins
Capillaries
Arteries
__________ are single layers of epithelial cells that are the site of exchange between blood and cells
Veins
Arteries
Capillaries
_____________ are thin muscle layers with large centers/lumen that carry blood to the heart
Veins
Arteries
Capillaries
Which of the following correctly states a possible path of blood through the body
Pulmonary artery --> lungs ---> left atrium
Right atrium --> lungs --> pulmonary vein
Left atrium --> left ventricle --> aorta
Right atrium --> inferior vena cava --> aorta
Ben has an HDL of 65 and an LDL of 100. Which of the following is true?
Based on his cholesterol, Ben is at an increased risk for heart disease.
Ben's LDL is normal, but his HDL is too low.
Ben's HDL decreases his risk of heart dieases
Ben's HDL increases his risk of heart disease.
Total cholesterol should be below
150
200
250
275
What is the leading cause of death in the United States?
Cancer
Covid-19
Cardiovascular disease
Ballistic Trauma
What is the leading cause of death due to cardiovascular disease?
Coronary artery disease
Hypertension
Stroke
_____________ results from plaque build up in coronary arteries.
Coronary artery disease
Hypertension
A stroke
___________ most directly results from high blood pressure (130/80 or higher)
Coronary artery disease
Hypertension
A stroke
__________ refers to a sudden interruption of blood flow to the brain
Coronary artery disease
Hypertension
A stroke
The top number in a blood pressure reading is called
Diastolic blood pressure
Systolic blood pressure
High blood pressure
Low blood pressure
Why is hypertension called "the silent killer"
Blood pressure readings don't make any noise while you take them
High blood pressure can cause speech problems
People with hypertension are afraid to talk about it
Hypertension may be asymptomatic
What type of treatment for cardiovascular disease creates a new pathway for blood to enter the heart using vessels from other locations in the body?
Balloon angioplasty
Coronary bypass surgery
Stents
Plaque buildup
______________ is the buildup of plaque on artery walls
Angioplasty
Atherosclerosis
Cancer
Hypertension
Chest pain, shortness of breath, upper body pain, and nausea are symptoms of what?
A stroke
Hypertension
A heart attack
Atherosclerosis
Sudden loss of balance, sudden loss of vision, slurred speech, and sudden weakness in one arm or leg are symptoms of what?
A stroke
A heart attack
High blood pressure
Balloon angioplasty
What is hematocrit?
Percentage of white blood cells in the blood tissue
Percentage of red blood cells in the blood tissue
Percentage of platelets in the blood tissue
Percentage of plasma in the blood tissue
Which of the following hematocrit readings would indicate blood doping?
Female- 38%
Male- 58%
Male- 45%
Female- 50%
A1C should be under ________, fasting blood glucose should be under __________.
6.5% ; 120
6.5% ; 100
5.7% ; 120
5.7% ; 100
Which molecule is carried by hemoglobin in red blood cells and transported by blood throughout the body?
(a)
What molecule is responsible for carrying oxygen in red blood cells?
Hematocrit
Hemoglobin
Red bone marrow
EPO
Platelets, red blood cells, and white blood cells make up
the blood cells
the plasma
the formed elements
the red blood cells
Where are formed elements synthesized?
Plasma matrix
Liver
Spinal cord
Red bone marrow
Why is blood doping dangerous?
Blood doping decreases the amount of oxygen that can be carried by the blood
Blood doping makes blood too thin, meaning small cuts can cause major blood loss
Blood doping makes blood thicker, and increases the likelihood of cardiovascular events
Blood doping causes white blood cells to not function, thus lowering immune system functioning
A1C measures
Blood glucose after fasting
Average blood glucose levels over the last three months
Percentage of red blood cells in the blood tissue
Percentage of white blood cells in the blood tissue
Which of the following correctly identifies some of the functions of white blood cells?
Blood clotting, transportation of oxygen, insulation
Immunity, transportation of oxygen, supporting neurons
White blood cells are useless
Immunity, inflammatory response, fighting infection
During the inflammatory response, basophils cause capillaries to;
Constrict
Multiply
Become leaky
Get smaller
Which of the following white blood cells lives in tissues?
Neutrophils
Basophils
Esinophils
Macrophages
What is phagocytosis?
The dumping of digestive proteins onto parasites too large to be engulfed
The accumulation of dead neutrophils and engulfed bacteria following an immune response
The engulfing of harmful foreign molecules or cells
The tagging and destruction of foreign cells
A person with type A blood has
B antigens
A antibodies
A antigens
No antigens
True or false: a person with A antigens will have A antibodies
True
False
B antibodies;
Will tag A antigens for destruction
Will tag B antigens for destruction
Will ignore A and B antigens
Will tag both A and B antigens for destruction
Sarah has type B blood and needs a blood transfusion. Can type AB blood be safely used in a transfusion for Sarah?
Yes
No
Having a "positive" blood type indicates
The presence of A antigens
The presence of B antigens
The presence of the D protein
No presence of D proteins
Which of the following correctly puts the structure of muscles in order from largest to smallest?
Whole muscle, myofibrils, fascicle, muscle fiber, sarcomere, myofilaments
Whole muscle, fascicle, myofibrils, muscle fiber, myofilaments, sarcomere
Whole muscle, sarcomere, fascicle, muscle fiber, myofibrils, myofilaments
Whole muscle, fascicle, muscle fiber, myofibrils, sarcomere, myofilaments
Muscle fibers (cells) are made up of long repeating units called
Sarcomeres
Myofilaments
Myofibrils
Fascicles
Repeating units of proteins in myofibrils are
Myofilaments
Sarcomeres
Muscle fibers
Actin
What are the contractile units of muscle fibers?
Myofilaments
Sarcomeres
Fascicles
Muscle cells
Which neurotransmitter is involved most directly in muscle contraction?
Seratonin
Dopamine
GABA
Acetylcholine
Which of the following organelles releases calcium into the muscle cell upon becoming excited?
Endoplasmic reticulum
Sarcoplasmic reticulum
Nucleus
Mitochondria
The attaching of myosin heads to myosin binding sites on actin creates:
Sarcomeres
Crossbridges
ATP
Troponin
Which of the following information can be determined from a skeleton?
Age
Height
Habits
DNA
What are the functions of the skeletal system?
What structure is shown in the image?
Osteocyte
Red bone marrow
Osteon
Spongy bone
What are osteoblasts?
Bone building cells
Bone degrading cells
Cartilage cells that help make new cartilage
Mature bone cells that get entombed as "caves" as bone is laid down
_______________ is the process during which cartilage turns into bone.
Osteoporosis
Ossification
Cartilage degradation
Angiogenesis
Which of the following correctly states the stages of bone repair
Bony callus forms, cartilaginous callus forms, hematoma, remodeling
Remodeling, Bony callus forms, cartilaginous callus forms, hematoma
Hematoma, cartilaginous callus forms, bony callus forms, remodeling
Hematoma, cartilaginous callus forms, remodeling occurs, bony callus forms
What is osteoporosis?
Changes in bone structure causing the bone to become weaker and more porous
Fracturing of the bone
A fancy name for breaking a bone
Changes in bone structure causing bone to harden, making tears and fractures more likely.
__________ connect bone to muscle, while ___________ connect bone to bone
myofilaments; sarcomeres
ligaments; tendons
tendons; ligaments
fatty acid tails; hydrophilic heads
_________ are cells that degrade and break down bone
Chrondocytes
Osteoblasts
Osteocytes
Osteoclasts
Formed elements are created from _____________ in the _________________.
White blood cells; plasma
Platelets ; plasma
Platelets ; red bone marrow
stem cells ; plasma
stem cells ; red bone marrow
Young people have more ____________ in their bones than adults.
Osteons
Cartillage
Marrow
Hard bone
During this stage of bone repair, a blood clot forms in the area of the break
Hematoma
Cartilaginous callus
Bony callus
Bone remodeling
