Unit 2 BIOL 108 Practice Exam

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Human Body Test sobre Unit 2 BIOL 108 Practice Exam, creado por Hannah Erickson el 02/10/2017.
Hannah Erickson
Test por Hannah Erickson, actualizado hace más de 1 año
Hannah Erickson
Creado por Hannah Erickson hace casi 7 años
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Resumen del Recurso

Pregunta 1

Pregunta
What is the first step of bone repair for a broken bone?
Respuesta
  • A cartilage callus forms that holds together the two broken ends of the bone
  • A blood clot forms
  • Osteoblasts secrete proteins to form a bony callus
  • Osteoclasts break down bone to begin the process of remodeling

Pregunta 2

Pregunta
What is the second step of bone repair for a broken bone?
Respuesta
  • Osteoblasts secrete proteins to form a bony callus
  • Osteoclasts break down bone to begin the process of remodeling
  • A blood clot forms
  • A cartilage callus forms that holds together the two broken ends of the bone

Pregunta 3

Pregunta
What is the third step of bone repair for a broken bone?
Respuesta
  • Osteoblasts secrete proteins to form a bony callus
  • Osteoclasts break down bone to begin the process of remodeling
  • A cartilage callus forms that holds together the two broken ends of the bone
  • A blood clot forms

Pregunta 4

Pregunta
What is the fourth step of bone repair for a broken bone?
Respuesta
  • Osteoblasts secrete proteins to form a bony callus
  • A blood clot forms
  • Osteoclasts break down bone to begin the process of remodeling
  • A cartilage callus forms that holds together the two broken ends of the bone

Pregunta 5

Pregunta
Match Each Phrase DNA [blank_start]_______[blank_end] Femur _[blank_start]______[blank_end]__ Hydrogen [blank_start]_______[blank_end] Osteoblast [blank_start]_______[blank_end] Glucose [blank_start]_______[blank_end] Skeleton [blank_start]________[blank_end]
Respuesta
  • Element
  • Molecule
  • Cell
  • Tissue
  • Organ
  • Organ System
  • Element
  • Molecule
  • Cell
  • Tissue
  • Organ
  • Organ System
  • Element
  • Molecule
  • Cell
  • Tissue
  • Organ
  • Organ System
  • Element
  • Molecule
  • Cell
  • Tissue
  • Organ
  • Organ System
  • Element
  • Molecule
  • Cell
  • Tissue
  • Organ
  • Organ System
  • Element
  • Molecule
  • Cell
  • Tissue
  • Organ
  • Organ System

Pregunta 6

Pregunta
Bone growth in LENGTH occurs throughout life.
Respuesta
  • True
  • False

Pregunta 7

Pregunta
Bone growth in WIDTH occurs throughout life.
Respuesta
  • True
  • False

Pregunta 8

Pregunta
Bone marrow produces new blood cells throughout life.
Respuesta
  • True
  • False

Pregunta 9

Pregunta
Bones undergo remodeling throughout life.
Respuesta
  • True
  • False

Pregunta 10

Pregunta
Select item(s) below that is/are true regarding the following statement: Requires the use of ATP
Respuesta
  • Active transport
  • Endocytosis
  • Exocytosis
  • Facilitated diffusion
  • Passive transport
  • Simple diffusion

Pregunta 11

Pregunta
Select item(s) below that is/are true regarding the following statement: Used to move an ion WITH its concentration gradient--from an area of high to low concentration
Respuesta
  • Active transport
  • Endocytosis
  • Exocytosis
  • Facilitated diffusion
  • Passive transport
  • Simple diffusion

Pregunta 12

Pregunta
Select item(s) below that is/are true regarding the following statement: Small, uncharged molecules can move across the cell membrane from an area of high to low concentration using this
Respuesta
  • Active transport
  • Endocytosis
  • Exocytosis
  • Facilitated diffusion
  • Passive transport
  • Simple diffusion

Pregunta 13

Pregunta
Select item(s) below that is/are true regarding the following statement: Used to move large macromolecules (such as protein hormones) INTO a cell
Respuesta
  • Active transport
  • Endocytosis
  • Exocytosis
  • Facilitated diffusion
  • Passive transport
  • Simple diffusion

Pregunta 14

Pregunta
What is the monomer that is the building block of proteins?
Respuesta
  • Ribonucleic acid (RNA)
  • Amino acid
  • Deoxyribonucleic acid (DNA)
  • Monosaccharide

Pregunta 15

Pregunta
What is the monomer that is the building block of carbohydrates?
Respuesta
  • RNA
  • Amino acid
  • DNA
  • Monosaccharide

Pregunta 16

Pregunta
What is the organelle that modifies proteins and packages them into vesicles to be shipped to a specific location within the cell?
Respuesta
  • Golgi apparatus
  • Smooth endoplasmic reticulum
  • Mitochondrion
  • Nucleus

Pregunta 17

Pregunta
Where is ATP produced in a eukaryotic cell?
Respuesta
  • Golgi apparatus
  • Smooth endoplasmic reticulum
  • Mitochondrion
  • Nucleus

Pregunta 18

Pregunta
What is a molecule that stores each cell's genetic information?
Respuesta
  • Ribonucleic acid (RNA)
  • Deoxyribonucleic acid (DNA)
  • Allele
  • Nucleus

Pregunta 19

Pregunta
What are projections of the cell membrane that greatly increases the cell's surface area?
Respuesta
  • Ribosomes
  • Microvilli
  • Nucleotides
  • Amino acids

Pregunta 20

Pregunta
What is present in the human body as an atom?
Respuesta
  • Hydrogen
  • Water
  • Protein
  • Allele

Pregunta 21

Pregunta
Your DNA determines your eye color. What are the intermediate steps that cause DNA to produce the physical trait of eye color? Step 1: [blank_start]________[blank_end] Step 2: [blank_start]_________[blank_end] Step 3: [blank_start]________[blank_end]
Respuesta
  • DNA codes for RNA production in nucleus
  • RNA codes for DNA production in nucleus
  • RNA exits nucleus to go to mitochondrion
  • RNA exits nucleus to ribosome in cytosol
  • rRNA codes for + of eye color amino acid
  • mRNA codes for + of eye color amino acid

Pregunta 22

Pregunta
Is water a polar or non-polar molecule?
Respuesta
  • Polar
  • Non-polar

Pregunta 23

Pregunta
What kind of molecular bond forms between one water molecule and another water molecule?
Respuesta
  • Ionic
  • Hydrogen
  • Covalent

Pregunta 24

Pregunta
Which of the following is a function of a protein?
Respuesta
  • Speeds up reactions
  • Stores genetic material
  • Primary structural component of a cell membrane
  • Provides energy for muscle contraction

Pregunta 25

Pregunta
Which statement is about eukaryotic and prokaryotic cells is FALSE?
Respuesta
  • Prokaryotic cells are generally smaller than eukaryotic cells
  • Eukaryotic cells have DNA enclosed in a nucleus, whereas prokaryotic cells typically lack DNA
  • Eukaryotic cells have membrane-bound organelles, whereas prokaryotic cells generally do not
  • Eukaryotic cells have mitochondria, whereas prokaryotic cells do not

Pregunta 26

Pregunta
The rough endoplasmic reticulum is functionally very different from the smooth endoplasmic reticulum. However, they were given similar names based on their appearance on a stained microscope slide--they look similar, except that the rough ER has _________ attached to it.
Respuesta
  • Mitochondria
  • Vesicles
  • RNA
  • Ribosomes

Pregunta 27

Pregunta
O and CO2 are able to pass directly through the plasma membrane of a cell because
Respuesta
  • Each binds to a transport protein that "pulls" them across the membrane, which requires the use of ATP
  • They are both water soluble molecules
  • Both are small, nonpolar molecules
  • They move through transport protein channels in the cell membrane

Pregunta 28

Pregunta
Which of the following determines the reactivity of an atom, or likelihood of forming a bond with another atom?
Respuesta
  • Atomic mass
  • # of electrons
  • # of neutrons
  • # of protons

Pregunta 29

Pregunta
What structure acts as a selective barrier, regulating the traffic of materials into and out of the cell?
Respuesta
  • Cytosol
  • Cell membrane
  • Nucleus
  • Golgi apparatus

Pregunta 30

Pregunta
Which of the following is the most immediate source of energy used by cells to do work?
Respuesta
  • Triglyceride
  • Amino acid
  • Glucose
  • Adenosine triphosphate (ATP)

Pregunta 31

Pregunta
Which of the following lacks blood vessels, and therefore does not repair itself well--if at all--after an injury?
Respuesta
  • Cartilage
  • Bone
  • Ligament
  • Tendon

Pregunta 32

Pregunta
Molecules that are electrically neutral overall but still have partially charged regions are:
Respuesta
  • Ions
  • Compounds
  • Electrolytes
  • Polar molecules

Pregunta 33

Pregunta
Which of the following is true regarding BONE?
Respuesta
  • The outer surface of a bone is covered with a thin layer of smooth muscle
  • Blood cells are produced in red bone marrow that fills the spongy bone of many bones
  • Bone is not considered to be a living tissue because it does not contain cells or blood vessels
  • The epiphysis of a long bone is filled with yellow bone marrow

Pregunta 34

Pregunta
Which of the following injuries occurs when a ligament is stretched or torn?
Respuesta
  • Fracture
  • Break
  • Sprain
  • Strain

Pregunta 35

Pregunta
Which of the following statements about osteoblasts is true?
Respuesta
  • Osteoblasts convert bone to cartilage
  • Osteoblasts build new blood vessels during bone repair
  • Osteoblasts engulf damaged cells and microbes that invade an area of damaged tissue
  • Osteoblasts convert cartilage to bone

Pregunta 36

Pregunta
Low levels of calcium in the blood would stimulate an increase in activity of
Respuesta
  • Osteoclasts
  • Osteoblasts
  • Chrondoblasts
  • White blood cells

Pregunta 37

Pregunta
All of the following are types of connective tissue EXCEPT
Respuesta
  • Cartilage
  • Skeletal muscle
  • Bone
  • Adipose

Pregunta 38

Pregunta
The walls of blood vessels contain _____ muscle that is under _____ control
Respuesta
  • cardiac; involuntary
  • cardiac; voluntary
  • smooth; voluntary
  • smooth; involuntary

Pregunta 39

Pregunta
Which of the following body systems includes organs that extend into your arms and legs?
Respuesta
  • Respiratory
  • Lymphatic
  • Digestive
  • Endocrine

Pregunta 40

Pregunta
Match each phrase [blank_start]_______[blank_end] Biceps brachii (muscle in the upper arm) [blank_start]_______[blank_end] hydrogen ion [blank_start]______[blank_end]_ osteoclast [blank_start]_______[blank_end] ATP [blank_start]_______[blank_end] Skeleton [blank_start]_______[blank_end] Cartilage
Respuesta
  • Organ
  • Atom
  • Molecule
  • Organ system
  • Cell
  • Tissue
  • Organ
  • Atom
  • Molecule
  • Organ system
  • Cell
  • Tissue
  • Organ
  • Atom
  • Molecule
  • Organ system
  • Cell
  • Tissue
  • Organ
  • Atom
  • Molecule
  • Organ system
  • Cell
  • Tissue
  • Organ
  • Atom
  • Molecule
  • Organ system
  • Cell
  • Tissue
  • Organ
  • Atom
  • Molecule
  • Organ system
  • Cell
  • Tissue

Pregunta 41

Pregunta
Moves a bone of insertion towards a bone of origin
Respuesta
  • Cardiac muscle
  • Skeletal muscle
  • Smooth muscle

Pregunta 42

Pregunta
Under involuntary control
Respuesta
  • Cardiac muscle
  • Skeletal muscle
  • Smooth muscle

Pregunta 43

Pregunta
Lines the walls of the stomach and small intestine
Respuesta
  • Cardiac muscle
  • Skeletal muscle
  • Smooth muscle

Pregunta 44

Pregunta
Generates pressure that moves blood around the body
Respuesta
  • Cardiac muscle
  • Skeletal muscle
  • Smooth muscle

Pregunta 45

Pregunta
The femur is an organ.
Respuesta
  • True
  • False

Pregunta 46

Pregunta
Which of the following is the quickest way for a skeletal muscle cell to make new ATP?
Respuesta
  • Aerobic respiration to convert glucose to ATP
  • Anaerobic respiration to convert glucose to ATP
  • Release ATP from the sarcoplasmic reticulum
  • Use creatine phosphate to attach a phosphate group to ADP

Pregunta 47

Pregunta
Synovial joints are
Respuesta
  • Filled with a lubricating fluid
  • Found only in a few places in the human skeleton
  • Immovable joints
  • Joints where the articulating bones lack a cartilage covering

Pregunta 48

Pregunta
The main component of the cell membrane hat acts as a selective barrier is
Respuesta
  • Glucose
  • Phospholipids
  • DNA
  • Triglycerides

Pregunta 49

Pregunta
In your body, where would you find spongy bone?
Respuesta
  • Filling your shaft (diaphysis) of your long bones
  • Inside your flat and irregular bones
  • In a thin layer covering all of your bones
  • Nowhere, unless you have osteoporosis

Pregunta 50

Pregunta
Which of the following is a characeristic of an isotonic muscle contraction but not an isometric contraction?
Respuesta
  • Requires energy
  • Helps an individual maintain an upright position
  • Moves an object or part of the skeleton
  • Generates force

Pregunta 51

Pregunta
The tissue lining the mouth, inside of the digestive tract, and inside of blood vessels is classified as
Respuesta
  • Epithelial tissue
  • Muscle tissue
  • Nervous tissue
  • Connective tissue

Pregunta 52

Pregunta
Troponin is found INSIDE a
Respuesta
  • Fiber and filament ONLY
  • Fibril and filament ONLY
  • Fiber and fibril ONLY
  • Fiber, filament AND fibril

Pregunta 53

Pregunta
If you put a living cell from your body into a beaker of pure water, the cell will
Respuesta
  • Swell
  • Shrink
  • Stay the same
  • Cannot predict the outcome--depends on water temperature

Pregunta 54

Pregunta
Which of the following injuries occurs when a tendon is stretched or torn?
Respuesta
  • Fracture
  • Break
  • Sprain
  • Strain
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