Exam #2

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The plasma membrane of a cell is composed of:

Phospholipid , cholesterol and protein molecules

The molecules in the plasma membrane that serve as receptors for other molecules are the:

Protein molecules

An important function of the cell membrane is:

Acting as "identification tags" for the cell

These organelles are the "protein factories" for the cell:

Ribosomes

These organelles are the "power plants" of the cell:

Mitochondria

These organelles are the "digestive bags" of the cell:

Lysosomes

These organelles consist of a network of canals that wind through the cytoplasm:

Endoplasmic Reticulum

These organelles are flattened sacs that chemically process molecules:

Golgi Apparatus

This structure in the cell controls most of the activities of the cell:

Nucleus

These structures are small hairlike structures on the exposed side of some cells:

Cilia

This is the long tail-like structure that propels sperm cells:

Flagella

This process is the diffusion of water through a selectively permeable membrane:

Osmosis

This process is used by the cell membrane to take in fluids and dissolved substances:

Pinocytosis

This process traps solids in the cell membrane and brings them into the cell:

Phagocytosis

The type of tissue that covers body surfaces and lines tubular organs is:

Epithelial

The type of epithelium that consists of a single layer of flattened cells is:

Simple squamous

The type of epithelium that forms the outer layer of the skin is:

Stratified squamous

Which type of connective tissue stores lipid in droplets?

Adipose

Which type of connective tissue has the most rigid matrix?

Bone

Which type of muscle tissue forms our voluntary muscles?

Skeletal

Which type of muscle is found in the digestive tract and blood vessels?

Smooth

Which type of muscle tissue contains intercalated discs?

Cardiac

The primary cell of the nervous tissue is the:

Neuron

The part of a neuron that contains the nucleus is the:

Cell body

Which type of transport process requires energy in the form of ATP?

Active transport

In which phase of the cell cycle does the cell spend 90% of its life?

Interphase

Which term means an increase in cell size?

Hypertrophy

Which term means an increase in the number of cells?

Hyperplasia

Which of the following terms means a decrease in cell size?

Atrophy

Which of the following is not a function of epithelial tissue?

Support

Which type of epithelium lines the walls of capillaries and forms the alveoli in the lungs?

Simple squamous

A type of stratified squamous epithelium forms the skin and a type lines the mouth, throat, vagina, and anal canal. What is the primary difference between the two types?

There is keratin in the skin.

Which type of connective tissue contains a liquid matrix?

Blood

A group of similar cells performing the same function is the definition of:

Tissue

Relative constancy of the internal environment is called:

Homeostasis

Which type of cell contains the entire genetic code?

All cells

Which term means "cell eating"?

Phagocytosis

In structure and form, cocci bacteria are found in which of the following shapes?

Spherical

"Four times a day" is abbreviated as:

QID

The invasion of the body by any pathogenic organism is called:

Infection

An example of an organ is..

The intestine

The _____ body cavity contains the brain.

Dorsal

The kidney is an organ that functions in an organ system known as the _____ system.

Urinary

The axillary artery would be found in the region of the:

Of the armpit

When body cells require energy, what molecule is broken down?

ATP molecule

DNA is contained within the:

Nucleus

The random movement of molecules from areas of higher concentration to areas of lower concentration and requires no energy is:

Diffusion

The process of a cell duplicating its DNA and dividing into two daughter cells is called:

Mitosis

The type of tissue that causes movement is:

Muscular

The type of tissue that provides support, binds structures together, and provides storage is:

Connective tissue

Which of the following is not a type of connective tissue?

Skeletal muscle

A boy was struck in the orbital region by a baseball. He could have an injury to his:

Eye

A system is best defined as a:

Group of organs working together to perform a function.

The integumentary system of the body includes:

The skin , hair and specialized sense organs

The primary function of the integumentary system is:

Protection of underlying structures.

The skeletal system includes all but:

Tendons

The primary function of the cardiovascular system is:

Transportation nutrients and waste.

The lymphatic system includes the:

Lymph nodes

Which of the following organs is not part of the lymphatic system?

Liver

Which of the following is not a structure in the respiratory system?

Esophagus

Which of the following is not a function of the respiratory system?

Assist in moving food to the esophagus

An intracellular parasite that is composed of only a nucleic acid and a protein coat is called a:

Virus

A small primitive cell without a nucleus describes a :

Bacteria

Large rod-shaped bacteria found in groups or singly are called:

Bacilli

The side of the body containing the backbone is:

Posterior

Levels of organization of the body range from atomic to organismic. Which is the basic structural unit of the body?

Cell

Fatty tissue that is deposited in most parts of the body is called:

Adipose

Which of the following is not a type of muscle tissue?

Clavicle

Cipro (ciprofloxacin), used to treat a wide range of gram-negative and gram-positive organisms, is classified as a/an:

Broad-spectrum antibacterial agent

A combining word meaning softening is:

-malacia

The word that best describes the putting together of simpler compounds derived from nutrients into living organized materials usable by the body cells is:

Anabolism

The endocrine gland considered to be the "master gland" of the body is the:

Pituitary

Viruses differ from bacteria in that they have:

Either DNA or RNA

A medication to reduce a fever is called:

An antipyretic

_____________ are a class of pharmaceutical agents that kill or inhibit the growth of infection-causing microorganisms.

Antibiotics

Generic drugs are:

Drugs that contain the same active component as proprietary drugs

Which of the organelles of the cell is responsible for the production of energy as ATP?

Mitochondria

Which nutrition-related disorder is characterized by a body weight 15% below expected, morbid fear of fatness, preoccupation with food, and an abnormal body image?

Anorexia nervosa

The body system whose primary function is protected and that includes the skin, hair, nails, sense receptors, and sweat and oil glands is named the:

Integumentary system

A term that relates to malignancies (cancer) is:

Metastasis, carcinoma, sarcoma, and neoplastic

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