Anaphy Flashcards by Mesina Micoooo

Physical and chemical changes or reactions that occur within the body are collectively known as
A. Metabolism
B. Physiology
C. Assimilation
D. Excretion

A. Metabolism

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Which of the following lists best illustrates the idea of increasing levels of complexity?
A. Cells, tissues, organelles, organs, systems
B. Tissues, cells, organs, organelles, systems
C. Organs, organelles, systems, cells, tissues
D. Organelles, cells, tissues, organs, systems

D. Organelles, cells, tissues, organs, systems

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Homeostasis is defined as the
A. Ability of human beings to keep body weight within normal limits
B. Maintenance of a constant external temperature inside a room
C. Ingestion of enough food to keep hunger pains from developing
D. Tendency of the body to maintain a stable environment

D. Tendency of the body to maintain a stable environment

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How is oxygen used by living organisms?
A. It controls the amount of heat produced
B. Its a source of energy
C. It is used to release energy that is stored in food
D. It is part of water and is necessary to keep organisms hydrated

C. It is used to release energy that is stored in food

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Which of the following organs is located in the abdominopelvic cavity?
A. Heart
B. Trachea
C. Thymus gland
D. Kidney

D. Kidney

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The membrane on the surface of a lung is called the
A. Visceral pleura
B. Parietal pleura
C. Visceral pericardium
D. Parietal pericardium

A. Visceral pleura

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A section that separates the body in to right and left portions would be the
A. Frontal section
B. Transverse section
C. Coronal section
D. Sagittal section

D. Sagittal section

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The thoracic cavity lies where in relationship to the abdominopelvic cavity?
A. Dorsal (posterior)
B. Ventral (anterior)
C. Superior
D. Inferior

C. Superior

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When the body is placed in the anatomical position, which of the following is not true?
A. The face is forward
B. The arms are at the sides
C. The palms are facing backward
D. The body is erect

C. The palms are facing backward

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A mechanism functioning to maintain a stable internal environment is most likely to involve
A. Positive feedback
B. Negative feedback
C. A vicious circle
D. None of the above

B. Negative feedback

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A decomposition reaction can be symbolized by
A. A+B –> C+D
B. A+B –>AB
C. AB–>A+B
D. C+D–>AB

C. AB–>A+B

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Electrolytes are substances that
A. Form covalent bonds with water
B. Ionize when dissolved in water
C. Cannot conduct electricity in solution
D. Are not found in the human body in any appreciable amounts

B. Ionize when dissolved in water

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The pH scale measures the
A. Concentration of hydrogen ions in solution
B. Amounts of salts dissolved in water
C. Number of hydroxyl ions in water
D. Strength of an electrical current carried by a solution

A. Concentration of hydrogen ions in solution

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Synthesis reactions are particularly important in the body for
A. Release of energy
B. Digestion of food particles
C. Growth of body parts
D. Neutralization of acids by buffers

C. Growth of body parts

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Lipids are characterized by
A. A group of substances that are insoluble in water.
B. A number of compounds such as phospholipids, cholesterol and fats.
C. Fat molecules containing C, H, & O but the proportion of oxygen is much smaller than in carbohydrates.
D. All of the above.

A. A group of substances that are insoluble in water.

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The general characteristics of proteins are that they
A. Serve as structural materials, energy sources, and chemical messengers.
B. Contain C, H, O and N, and sometimes sulfur.
C. Can act as enzymes
D. All of the above.

B. Contain C, H, O and N, and sometimes sulfur.

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An enzyme is defined as a
A. Protein that speeds up chemical reactions without being changed or depleted.
B. Protein that functions as a hormone
C. Protein that inhibits chemical reactions by being changed or depleted
D. Fibrous protein that is used to help build certain tissues in the body

A. Protein that speeds up chemical reactions without being changed or depleted.

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Sodium ions and calcium ions are examples of
A. Cations
B. Anions
C. Salts
D. Buffers

A. Cations

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Which of the following is not hydrophilic?
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acid

B. Lipids

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Glycogen is a complex polysaccharide that is synthesized by the body
A. True
B. False

A. True

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The endoplasmic reticulum is best described as a
A. Formless liquid
B. Cellular inclusion
C. Network of interconnected membranes
D. Membranous sac

C. Network of interconnected membranes

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The movement of molecules through a membrane by filtration depends upon the presence of
A. Osmotic pressure
B. Hydrostatic pressure
C. Atmospheric pressure
D. None of the above

B. Hydrostatic pressure

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Which of the following processes involves the use of specific carrier molecules?
A. Phagocytosis
B. Pinocytosis
C. Active transport
D. Dialysis

C. Active transport

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If the concentration of glucose in the water outside of a cell is higher than the concentration inside,
A. Water will tend to enter the cell by osmosis
B. Water will tend to leave the cell by osmosis
C. Glucose will tend to enter the cell by osmosis
D. Glucose will tend to leave the cell by osmosis

B. Water will tend to leave the cell by osmosis

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Because of mitosis and cytoplasmic division, the resulting cells contain A. Identical chromosomes B. Identical DNA information C. Both identical chromosomes and DNA information D. None of the above.

C. Both identical chromosomes and DNA information

The 2 major components of the cell membrane are A. Lipids and carbohydrates B. Proteins and carbohydrates C. Lipids and proteins D. Carbohydrates and polysaccharides

C. Lipids and proteins

The cell membrane functions to A. Maintain wholeness of the cell B. Control the entry and exit of various substances C. Provide a barrier to water soluble substances D. All of the above

D. All of the above

Which of the following is not a factor that influences the rate of diffusion? A. The distance of diffusion B. The concentration of the substance C. The amount of energy available for transport molecules D. The molecular weight of the diffusing molecules

C. The amount of energy available for transport molecules

What characteristic is shared by simple diffusion and facilitated diffusion? A. Both require cellular energy for the transport of substances. B. Both involve the movement of water across a semi-permeable membrane C. Both require a special carrier molecule to move substances across the membrane D. Both involve the movement of a substance from regions of higher concentration to lower concentration without cellular energy.

D. Both involve the movement of a substance from regions of higher concentration to lower concentration without cellular energy.

What occurs if a red blood cell is placed in a hypotonic solution? A. The cell will shrink B. The cell will swell and may eventually burst C. Nothing; the cell will remain the same size and shape D. Only permeable substances will leave the cell; otherwise the concentrations within the cell do not change

B. The cell will swell and may eventually burst

In what phase of mitosis do the chromosomes duplicate? A. Prophase B. Interphase C. Metaphase D. Telophase

B. Interphase

Which of the following is isotonic to red blood cells? A. 0.9% NaCl solution B. Distilled water C. 0.9% glucose solution D. None of the above

A. 0.9% NaCl solution

A selectively permeable membrane is defined as one that A. Allows all substances to pass through B. Allows all organic substances to pass through but excludes all inorganic substances C. Allows some substances to pass through and excludes others D. Is leaky or allows substances to leak through

C. Allows some substances to pass through and excludes others

Which of the following organelles has its structures and function correctly described? A. Endoplasmic reticulum: network of interconnected membranes forming sacs and canals; packages proteins molecules B. Ribosomes: membranous vesicles; contains digestive enzymes C. Golgi apparatus: particles composed of protein and RNA; synthesizes proteins D. Mitochondrion: non-membranous structure that synthesizes proteins

A. Endoplasmic reticulum: network of interconnected membranes forming sacs and canals; packages proteins molecules

Osmosis is defined as the movement of A. Molecules from high concentration to a low concentration B. Water molecules from a high concentration to a low concentration through a selectively permeable membrane. C. Water molecules from a low concentration to a high concentration through a selectively permeable membrane D. Ions from a low pressure region to a high pressure region through a selectively permeable membrane

B. Water molecules from a high concentration to a low concentration through a selectively permeable membrane.

The relationship of osmotic pressure and the number of solute particles in a solution is A. The lower the number of solute particles, the greater the osmotic pressure B. The greater the number of solute particles, the lower the osmotic pressure C. The greater the osmotic pressure, the lower the number of solute particles D. The greater the number of solute particles, the greater the osmotic pressure

D. The greater the number of solute particles, the greater the osmotic pressure

A hypertonic solution A. Has a greater concentration of solute particles than the cells in the solution B. Would cause cells in the solution to lose water or become shrunken C. Has greater osmotic pressure than do the cells in the solution D. All of the above

D. All of the above

Lipids are synthesized in A. The Golgi apparatus B. The smooth endoplasmic reticulum C. The rough endoplasmic reticulum D. The liver

B. The smooth endoplasmic reticulum

The movement of sodium ions from a region of lower concentration inside a cell toward a region of higher concentration outside the cell is accomplished by A. Diffusion B. Osmosis C. Active Transport D. Filtration

C. Active Transport

In dehydration synthesis of a carbohydrate, A. Larger molecules are decomposed into smaller ones B. Monosaccharides become joined together C. Water molecules become joined to monosaccharide molecules D. The molecule is decomposed in to CO2 and H2O

B. Monosaccharides become joined together

When a sucrose molecule is decomposed to yield a glucose molecule and a fructose molecule, A. The process involves dehydration synthesis B. A water molecule is released C. A water molecule is used D. None of the above

C. A water molecule is used

The reactions of anaerobic respiration occur in the A. Cytoplasm B. Mitochondria C. Nucleus D. All of the above

A. Cytoplasm

Which of the following is an example of catabolism? A. The synthesis of the cell membrane from precursor molecules B. The oxidation of glucose in the cytoplasm and mitochondria C. The formation of secretory proteins in the pancreas D. The duplication of DNA molecules in the nucleus

B. The oxidation of glucose in the cytoplasm and mitochondria

What is the function of ADP molecules living in cells? A. They form a genetic material important for reproduction B. They act to "capture" energy from the oxidation of fuels to be used in other cell processes C. They act as coenzymes so that the fats can be synthesized. D. They are an integral part of the cell membrane, important in the transport of water molecules.

B. They act to "capture" energy from the oxidation of fuels to be used in other cell processes

In the citric acid cycle, A. Carbon dioxide is released B. Hydrogen atoms are released C. 2 ATP's form D. All of the above

A. Carbon dioxide is released

Cellular respiration is defined as the process by which A. Energy is released from molecules and is transferred to other molecules B. Cells breathe, or take in O2 and give off CO2 C. Cells produce energy from O2 and absorb heat.

A. Energy is released from molecules and is transferred to other molecules

Anaerobic respiration involves chemical reactions in ____________, where as aerobic respiration involves reactions in ____________. A. Mitochondria; cytplasm with O2 needed B. Cytoplasm without O2 needed; cytoplasm with CO2 required C. Mitochondria without O2 needed; mitochondria with O2 needed D. Cytoplasm without O2 needed; mitochondria with O2 needed

D. Cytoplasm without O2 needed; mitochondria with O2 needed

The process of copying DNA information into the structure of the mRNA molecule is called which of the following? A. Translation B. Synthesis C. Replication D. Transcription

D. Transcription

Which of the following is not one of the 4 basic body tissues A. Epithelial tissue B. Connective tissue C. Brain tissue D. Muscle tissue

C. Brain tissue

A basement membrane occurs between A. Muscle and nerve tissue B. Epithelial and connective tissue C. Connective tissue and muscle tissue D. Brain and nervous tissue

B. Epithelial and connective tissue

Epithelial tissue functions in A. Secretion B. Absorption C. Protection D. All of the above

D. All of the above

The muscle tissue that can be consciously controlled is A. Smooth B. Skeletal C. striated D. None of the above

B. Skeletal

Connective tissue fibers are produced by A. Macrophages B. Mast cells C. Fibroblasts D. All of the above

C. Fibroblasts

A general characteristic of connective tissue is that it A. Consists of cells with much intercellular material between them B. Has no blood supply to the tissue C. Covers the outside of organs D. Commonly found lining body cavities

A. Consists of cells with much intercellular material between them

Adipose tissue is a specialized form of A. Fibrous connective tissue B. Elastic connective tissue C. Loose connective tissue D. Reticular connective tissue

C. Loose connective tissue

Epithelial tissues are characterized by a lack of blood vessels A. True B. False

A. True

Membranes lining the body cavities that lack openings to the outside are called A. Synovial B. Mucous C. Serous D. Cutaneous

C. Serous

The primary means by which body heat is lost A. Conduction B. Convection C. Evaporation

C. Evaporation

Which of the following is a normal response to excessive loss of body heat in a cold environment? A. Dermal blood vessels become constricted B. Sweat glands become inactive C. Skeletal muscles contract involuntarily D. All of the above

A. Dermal blood vessels become constricted

Exposure to ultraviolet light causes the skin to darken by stimulating the production of A. Melanin B. Carotene C. Hemoglobin D. Cyanin

A. Melanin

An example of a serous membrane is A. The nasal membranes that secrete mucous B. The linings of the gastrointestinal system C. The lining of the thorax D. The membranes covering joint cavities in the knee

B. The linings of the gastrointestinal system

Sweat functions to cool the body by A. Convection B. Conduction C. Evaporation D. Radiation

C. Evaporation

Which of the following layers of the epidermis consists of a single row of columnar cells that undergo mitosis and includes pigment producing melanocytes? A. Stratum corneum B. Stratum granulosum C. Stratum spinosum D. Stratum germinativum

D. Stratum germinativum

Shafts of hair are composed of A. Living dermal cells B. Dead dermal cells C. Living epidermal cells D. Dead epidermal cells

D. Dead epidermal cells

Eccrine sweat glands differ from sebaceous glands A. In terms of what is secreted B. In their location in the body C. Because subaceous glands are associated with hair follicles, sweat glands are not. D. All of the above

A. In terms of what is secreted

Epidermal cells are supplied with nutrients from blood vessels located in the A. Epidermis B. Dermis C. Subcutaneous layer D. All of the above

B. Dermis

Serous membranes are characterized by __________, whereas mucous membranes are characterized by____________. A. Lining body cavities that lack openings to the outside; lining body cavities and tubes opening to the outside B. Being composed of connective tissue only; being composed of epithelial tissue only C. Secreting synovial fluid that lubricates the joint surfaces; secreting mucous D. Lining joint cavities; covering the surface of the body

A. Lining body cavities that lack openings to the outside; lining body cavities and tubes opening to the outside

whereas the dermis is distinguished by being __________. A. The innermost layer of the skin; under the dermis B. Composed of largely fibrous connective tissue; composed of stratified squamous epithelial tissue C. The outermost layer of skin; composed of stratified squamous epithelial tissue D. Composed of stratified squamous epithelial tissue; composed of fibrous connective tissue.

D. Composed of stratified squamous epithelial tissue; composed of fibrous connective tissue.

A hair is distinguished from a hair follicle by A. Being composed of living stratified squamous cells, whereas a hair follicle is composed of dead dermal cells B. Originating in the subcutaneous layer, whereas a hair follicle originates in the dermis C. Strictly the position, with the hair being in the center of the follicle D. Being composed of dead epidermal cells, whereas a hair follicle is composed of living dermal cells

D. Being composed of dead epidermal cells, whereas a hair follicle is composed of living dermal cells

The subcutaneous layer can be described as A. Being composed of loose connective tissue and adipose tissue B. The skin C. Functioning as a heat insulator or helping to conserve body heat D. All of the above

D. All of the above

Which of the following blood vessels carries blood towards the heart? A. Veins B. Arteries C. Capillaries D. The aorta

A. Veins

What is the purpose of the heart valves? A. To allow gaseous exchange. B. To prevent gaseous exchange. C. To allow backflow of blood. D. To prevent backflow of blood

D. To prevent backflow of blood

Which of the following best describes the flow of blood in systemic circulation? A. Left ventricle, aorta, arteries, arterioles, capillaries, venules, veins, vena cava, and, right atrium B. Right ventricle, pulmonary artery, arterioles, capillaries, venules, veins, pulmonary veins, left atrium C. Right ventricle, aorta, arteries, arterioles, capillaries, venules, veins, vena cava, left atrium D. Left ventricle, pulmonary artery, arterioles, capillaries, venules, veins, pulmonary veins, right atrium

A. Left ventricle, aorta, arteries, arterioles, capillaries, venules, veins, vena cava, and, right atrium

Why does the left ventricle have thicker walls than the right ventricle? A. So it can pump blood more forcefully B. So it can pump blood less forcefully C. To allow gaseous exchange D. To prevent gaseous exchange

A. So it can pump blood more forcefully

Which of the following carries oxygenated blood to the heart from the lungs? A. The aorta B. The pulmonary vein C. The venae cavae D. The pulmonary artery

D. The pulmonary artery

Which of the following describes a long bone? A. It is curved to help absorb stress B. It provides protection and sites for muscle attachment C. It is almost equal in length and width D. It has a very complex shape

A. It is curved to help absorb stress

Which of the following muscles lifts the ribs to expand the chest cavity? A. The diaphragm B. The internal intercostals C. The external intercostals D. The pectoralis major

C. The external intercostals

Which of the following gases diffuses into the alveoli from the capillaries to be exhaled? A. Nitrogen B. Carbon dioxide C. Oxygen D. Carbon monoxide

B. Carbon dioxide

Where would you find the tarsals? A. The upper arm B. The wrist C. The upper leg D. The foot

D. The foot

Which of the following is a function of the skeleton? A. It supplies oxygen to working muscles B. It makes ATP for energy C. It stores ATP for energy D. It protects vital organs

D. It protects vital organs

Which of the following forms a part of the axial skeleton? A. The ulna B. The tibia C. The ribs D. The scapula

C. The ribs

Which of the following describes an irregular bone? A. Curved to help absorb stress from the body B. Thin, give protection to internal organs, provide sites for muscle attachment C. Almost equal in width and length, cube shape D. Have complex shapes

D. Have complex shapes

Which type of bone is the femur? A. Long B. Flat C. Short D. Irregular

A. Long

What percentage of oxygen is found in exhaled air? A. 16 B. 14 C. 18 D. 20

A. 16

In the process of ossification, what does bone develop from? A. Bone marrow B. Ligaments C. Cartilage D. Synovial fluid

C. Cartilage

What effect does regular weight-bearing exercise have on joints? A. Increased ligament strength B. Increased mitochondria density C. Increased joint friction D. Increased joint volume

A. Increased ligament strength

Which bones meet to form a pivot joint? A. The femur and tibia B. The pelvis and hip C. The radius and ulna D. The clavicle and humerus

C. The radius and ulna

Which joint action is taking place when the palm turns upwards? A. Pronation B. Supination C. Adduction D. Abduction

B. Supination

Which of the following muscles is located in the upper arm? A. Biceps B. Hamstrings C. Trapezius D. Soleus

A. Biceps

Where would you find the cardiac muscle? A. The veins B. The arteries C. The heart D. The lungs

C. The heart

What is the function of actin and myosin filaments? A. Muscle fibre breakdown B. Energy production C. Muscle contraction D. Regeneration of ATP

C. Muscle contraction

Which of the following is predominantly recruited during a 10 km walk? A. Slow twitch muscle fibers B. The creatine phosphate system C. Fast twitch muscle fibres D. The lactic acid system

A. Slow twitch muscle fibers

Which one of these is a type of voluntary muscle? A. Gastrointestinal B. Biceps C. Heart muscle D. Capillaries

B. Biceps

Which of the following is a component of muscle structure? A. Sarcomere B. Synovial membrane C. The epiphysis D. The periosteum

A. Sarcomere

Which of the following muscles is contracting eccentrically during the lowering phase of a lateral raise? A. Latissimus dorsi B. Erector spinae C. Triceps D. Medial deltoids

D. Medial deltoids

What term describes a muscle that assists the prime mover? A. Agonist B. Antagonist C. Synergist D. Fixator

C. Synergist

Which of the following is the antagonist during a calf raise? A. Gastrocnemius B. Tibialis anterior C. The quadriceps D. The hamstring

B. Tibialis anterior

Which of the following describes a concentric contraction? A. A muscle develops tension and shortens B. A muscle develops tension and lengthens C. A muscle develops tension but muscle length remains the same D. A muscle develops tension to fix a joint in one position

A. A muscle develops tension and shortens

What duration of activity can muscle stores of adenosine triphosphate (ATP) support? A. Up to 4 seconds B. Up to 6 seconds C. Up to 20 seconds D. Up to 120 seconds

C. Up to 20 seconds

Which of the following nutrients can be stored in the muscle and liver? A. Carbohydrate B. Fat C. Protein D. Fibre

A. Carbohydrate

During an activity that lasts for 20 minutes which energy system will be predominantly used to produce ATP? A. The phosphocreatine system B. The aerobic system C. The lactic acid system D. The cardiovascular system

B. The aerobic system

What is the antagonist during a dumbbell curl exercise? A. The triceps B. The biceps C. The deltoids D. The pectorals

A. The triceps

What will happen to slow-twitch muscle fibers as a result of long term endurance training? A. They will develop more mitochondria B. The will use less oxygen C. Metabolic activity will decrease D. They will fatigue more quickly

A. They will develop more mitochondria

Which of the following affects the strength of a muscle contraction? A. The amount of glycogen stored in the muscle B. The amount of fat stored in the muscle C. The range of movement at the working joint D. The number of motor units recruited

D. The number of motor units recruited