chapter 2 life science

which branch of science refers to the form and organization of body parts?

A. biology
B. anatomy
C. physiology
D. microbiology

B. anatomy

Which branch of science refers to the function of specific body parts?

A. biology
B. anatomy
C. physiology
D. microbiology

C. physiology

The smallest and most numerous structural units possessing the basic characteristics of life are called

A. cells
B. tissues
C. organs
D. systems

A. cells

which of the following is the most abundant substance in the body

A. blood
B. water
C. sodium
D. potassium

D. potassium

in which part of the cell are genes and DNA located?

A. nucleus
B. cytoplasm
C. cell wall
D. cell membrane

A. nucleus

in which part of the cell are food molecules received, processed, and used?

A. cell wall
B. cytoplasm
C. cell membrane
D. nuclear membrane

B. cytoplasm

complex structures with specialized functions within the body are know as

A. cells
B. atoms
C. organs
D. molecules

C. organs

red blood cells develop in which part of the body?

A. heart
B. spleen
C. gall bladder
D. bone marrow

D. bone marrow

11. which of the following best defines the system level of organization in the human body?

A. structures of cell that exhibit the basic characteristics of life
B. A group of a similar cells that develop together to perform a certain function
C. a structure made of several kinds of tissues that together perform a special function
D. various numbers and kinds of organs which together perform complex functions for the body

D. various numbers and kinds of organs which together perform complex functions for the body

which of the following is the longest bone in the body?

A. tibia
B. radius
C. femur
D. sternum

C. femur

the femur, tibia, and fibula are bones of the

A. upper limb
B. pelvic girdle
C. lower limb
D. pectoral girdle

C. lower limb

the humerus, radius, and ulna are bones of the

A. upper limb
B. pelvic girdle
C. lower limb
D. pectoral girdle

A. upper limb

which of the following statements is TRUE in regards to smooth muscles? smooth muscles

A. require voluntary control to contract
B. usually cannot be consciously stimulated
C. are faster to contract and relax
D. contain striations

B. usually cannot be consciously stimulated

cardiac muscle

A. is fibrous
B. is striated
C. contacts under conscious control
D. contracts involuntarily

D. contracts involuntarily

specialized cells responsible for contractions in the body are called

A. skin
B. bones
C. nerves
D. muscles

D. muscles

which of the following is the largest organ of the human body?

A. skin
B. liver
C. heart
D. colon

A. skin

which of the following is responsible for providing immunity?

A. white blood cells
B. red blood cells
C. hormones
D. platelets

A. white blood cells

how many layers are in the integumentary system?

A. one
B. two C
C. three
D. four

C. three

which of they following statements is TRUE regarding the respiratory system? the respiratory system

A. filters, warms, and humidifies the air breathed in.
B. supplies carbon dioxide to the cell of the body
C. carries hormones from their site of origin to distant tissues
D. aids in the clotting of blood when vessels are damaged

A. filters, warms, and humidifies the air breathed in.

24. the entire delicate central nervous system is protected by

A. fluid
B. muscle
C. fatty tissue
D. bony encasements

D. bony encasements

the deltoid muscle is located in the

A. thigh
B. back
C. upper arm
D. lower leg

C. upper arm

decontamination procedures

A. reduce the sterilization time needed to reprocess medical devices
B. eliminate all bioburden from contaminated items prior to their being used
C. reduce contamination to permit reprocessed medical device to be sterilized
D. prevent excessive corrosion of metal instruments during the disinfection process

C. reduce contamination to permit reprocessed medical device to be sterilized

a patient contract an infection from an improperly sterilizer surgical instrument

A. a vector transmission
B. an airborne transmission
C. an aerobic infection
D. a healthcare acquired infection

D. a healthcare acquired infection

all of the following are classified as critical medical devices EXCEPT

A. catheters
B. surgical instruments
C. needles
D. thermometers

D. thermometers

healthcare worker are most likely to be infected by which of the following agents?

A. hepatitis B
B. human immunodeficiency virus (HIV)
C. pneumococcus
D. Rubella

A. hepatitis B

a staff member brings several contaminated tray to the sterile processing department on a cart and request that replacement trays be put on the same cart. the technician should

A. place the tray on the cart as requested
B. cover the top of the cart and then place the trays on top of the drape
C. insert the tray s in a plastic bag before giving them to the staff member
D. clean and dry the transport cart and send it to distribution for the trays

D. clean and dry the transport cart and send it to distribution for the trays