chapter 1 a and p review questions

cancer cells can be characterized as "generic" cells that preform no specialized body function. thus cancer cells lack -differentiation -reproduction -responsiveness -both reproduction and responsiveness

differentiation

a scientist wants to study how the body uses foods and fluids during a marathon run. this scientist is most likely a -exercise physiologist -microscopic anatomist -regional physiologist -systemic anatomist

exercise physiologist

a collection of similar tissues that preforms a specific function is an -organ -organelle -organism -organ system

organ

humans have the most urgent need for a continuous supply of -food -nitrogen -oxygen -water

oxygen

which of the following specialties might focus on studying all of the structures of the ankle and foot ? -microscopic anatomy -muscle anatomy -regional anatomy -systematic anatomy

regional anatomy

the body system responsible for structural support and movement is the -cardiovascular system -endocrine system -muscular system -skeletal system

skeletal system

adenosine triphosphate (atp) is an important molecule because it -is the result of catabalism -release energy in uncontrolled bursts -stores energy for use by body cells -all of the above

store energy for use by body cells

metabolism can be defined as the -adjustment by an organism to external and internal changes -process whereby all unspecialized cells become specialized to preform distinct functions -process whereby new cells are formed to replace worn-out cells -sum of all chemical reactions in an organism

sum of all reactions in an organism

which of the following statements about nutrients is true? -all classes of nutrients are essential of human survival -because the body cannot store any micronutrients , they need to be consumed nearly every day -carbohydrates lipids and proteins are micronutrients -macronutrients are vitimans and minerals

all classes of nutrients are essential of human survival

cj is stuck in her car during a bitterly cold blizzard. her body responds to the cold by -increasing the blood to her hands and feet -becoming lethargic to conserve heat -breaking down stored energy -significantly increasing blood oxygen levels

breaking down stored energy

the smallest independently functioning unit of an organism is a -cell -molecule -organ -tissue

cell