Bios 355 test 1

Which of the following is not a type of cell junction? A. adherens junction B. loose junction C. gap junction D. desmosomes E. tight junction

B. loose junction

Which system(s) does not exchange material with the internal and external environments? A. urinary system B. respiratory system C. circulatory system D. digestive system E. all of the above

C. circulatory system

The ____ system plays a role in moving fluids, waste, and bones? A. integumentary B. none of the above C. muscular D. nervous

C. muscular

The process of turning molecules that are ingested into forms that are compatible with the organism is _____. A. Absorption B. digestion C. circulation D. assimilation

D. assimilation

The movement of particles from an area of higher to lower concentration is... A. osmosis B. active transport C. dialysis D. diffusion

D. diffusion

The force that water exerts on a system is referred to as the ________. A. atmospheric pressure B. hydrophilic factor C. osmotic pressure D. hydrostatic pressure

D. hydrostatic pressure

The protein actin is found in _____, which results in some types of movement or contraction A. Golgi Bodies B. microtubules C. cilla D. microfilaments

D. microfilaments

The cell structure that regulates what enters and/or leaves a cell is the ______ A. organelle B. reticulum C. mitochondria D. plasma membrane

D. plasma membrane

_____ occurs when some physiological condition such as a rise in temperature or blood pressure causes the condition to increase even further A. none of the above B. abnormal function C. negative feedback D. positive feedback

D. positive feedback

Cilla have the function of removing foreign particles and mucus from the surface of the _____ system. A. integumentary B. digestive C. reproductive D. respiratory

D. respiratory

Which tissue has the functions of storing energy, acting as insulation, and protecting organs such as the kidneys? A. adipose B. dense connective tissue C. muscle D. reticular connective tissue

A. adipose

Glands that secrete hormones into the blood are A. endocrine glands B. mixed glands C. exocrine glands D. unicellular glands E. none of the above

A. endocrine glands

Caveloae and clathrin-coated pits are both used in A. endocytosis B. exocytosis C. phagocytosis D. all of the answers are correct E. none of the answers are correct

A. endocytosis

The watery medium that surrounds a cell is known as A. extracellular fluid B. intracellular fluid C. protoplasm D. cytosol

A. extracellular fluid

A combination of a sugar with a protein is a _____. A. glycoprotein B. lipoprotein C. nuclear protein D. complex protein

A. glycoprotein

An increase in receptor number A. makes the cell more sensitive to the signal molecules B. makes the cell less sensitive to the signal molecules C. does not change the sensitivity of a cell to the signal molecules

A. makes the cell more sensitive to the signal molecules

The background that connective cells are in is termed the _____. A. matrix B. fiber network C. strawberry jello D. stroma

A. matrix

Permeability is a property of A. membranes B. ions C. solutes D. solvents E. proteins

A. membranes

The following are essential needs of the body except which one? A. set point B. water C. pressure D. chemicals

A. set point

_____ epithelial cells that create the lining of the urinary bladder have the ability to remain attached even when the bladder is full and stretched; it is named because of its changing appearance A. transitional B. squamous C. cuboidal D. columnar

A. transitional

Another name for the cavity in the front or belly side is _____. A. ventral B. dorsal C. vertebral D. abdominalpelvic

A. ventral

A decrease of blood glucose that causes the inhibition of insulin is an example of _____. A. positive feedback B. negative feedback C. abnormal function D. the action of glucagon

B. Negative feedback

The ____ membranes surround the lungs A. Peritoneal B. Pleural C. mediastinal D. pericardium

B. Pleural

Which term is not used to define the structure that separates the contents of a human cell from its surrounding medium? A. plasma membrane B. a cell wall C. plasmalemma D. a cell membrane

B. a cell wall

Disappearance of which types of junction most likely contributes to the metastasis of cancer cells throughout the body? A. gap junctions B. anchoring junctions C. tight junctions D. none of the above

B. anchoring junctions

What is the basic structural unit of the body? A. tissue B. cell C. organ D. organelle

B. cell

The ____ tissue has the most numerous and diverse types of cells A. muscle B. connective C. epithelial D. nervous

B. connective

simple squamous epithelium lining of blood vessels is called A. basolateral epithelium B. endothelium C. luteal cells D. the vast recta E. none of the answers are correct

B. endothelium

What is the main tissue type comprising tendons and ligaments? A. cartilage B. fibrous connective C. loose connective D. Reticular connective

B. fibrous connective

Which of the following would not be lined by the peritoneum? A. intestines B. heart C. liver D. stomach

B. heart

The following will increase the rate of diffusion except which factor? A. shorter distances B. increased molecular weight C. increased concentration D. increased temperature

B. increased molecular weight

The skin belongs to the _____ system. A. nervous B. integumentary C. muscular D. circulatory

B. integumentary

Anatomy is a term, which means the study of _____. A) physiology B) morphology C) cell functions D) human functions

B. morphology

Which are used to keep our system at or near their set points? A. response loops B. negative feedback loops C. feedforward control loop D. positive feedback loops E. open control loops

B. negative feedback loops

What are the two extracellular fluid compartments in the body? A. intracellular fluid and plasma B. plasma and interstitial fluid C. interstitial fluid and intracellular fluid D. plasma and the fluid portion of the blood E. none of the answers are correct

B. plasma and interstitial fluid

Water is a polar molecule, yet can move through the non polar portions of cell membranes. Which transport process is responsible? A. facilitated diffusion B. simple transport C. uniport D. symport E. antiport

B. simple diffusion

The ability of a carrier molecule to transport only one type of substance or a group of closely related molecules is called... A. competition B. specificity C. affinity D. saturation E. facilitation

B. specificity

Hormones are secreted by endocrine glands into the bloodstream and A. travel only to cells with receptors specific to that hormone B. travel to all cells but stimulate responses in cells with receptors for that hormone C. only elicit a response in the cells that released them

B. travel to all cells but stimulate responses in cells with receptors for that hormone

The type of protein found in gap junctions is the ____ A. occludin B. integrin C. connexin D. cadherin E. claudin

C. connexin

The _____ separates the thoracic from the abdominal cavities A. peritoneum B. pelvis C. diaphragm D. rib cage

C. diaphragm

The removal of a compound that the body no longer requires is called _____. A. secretion B. movement C. excretion D. digestion

C. excretion

The ability of the body to maintain a relatively constant internal environment is called ________. A. adaptation B. equilibrium C. homeostasis D. adjustment

C. homeostasis

Cells that secrete fluids without losing their internal structure are ____ secreting, in type A. holocrine B. simple C. merocrine D. apocrine

C. merocrine

Integration and coordination are properties of the _____ system of organs. A. muscular B. excretory C. nervous D. circulatory

C. nervous

The human cell membrane is comprised of the following except which one? A. carbohydrates B. proteins C. nucleic acids D. lipids

C. nucleic acids

A system is defined as a group of _____ that function together. A. cells B. tissues C. organs D. molecules

C. organs

movement of water across a membrane in response to a solute concentration gradient is called A. osmotic pressure B. osmolarity C. osmosis

C. osmosis

The study of dealing with the explanations of how an organ works would be an example of _______. A. cytology B. teleology C. physiology D. anatomy

C. physiology

The exchanging of gases for the purpose of producing energy is called _____. A. circulation B. breathing C. respiration D. responsiveness

C. respiration

Hypertonic solutions tend to cause cells to _____ A. burst B. increase in diameter C. shrink D. intake water

C. shrink

Which is NOT a type of mediated transport? A. facilitated diffusion B. primary active transport C. simple diffusion D. secondary active transport

C. simple diffusion

Choose the item that has the phase that best completes the statement. Choose the best answer. Homeostasis is the ability of the body to A. ignore external stimuli to remain in a state of rest B. prevent excessive blood loss C. prevent the external environment from changing D. quickly restore changed conditions to normal E. prevent the internal environment from changing

D. quickly restore changed conditions to normal

Which of the following is an example of a homeostatic event? A. muscle strain B. sweating during a test C. developing a headache D. shivering when its cold

D. shivering when its cold

Which is not a function of epithelia? A. providing physical protection B. producing specialized secretions C. regulating exchange D. storing energy reserves

D. storing energy reserves

When a nurse takes someone's temperature, they are directly assessing a _____. A. core temperature B. sign of illness C. metabolic activity D. vital sign

D. vital sign

Which is true about carrier proteins? A. transport lipophobic substances B. involved in cotransport C. never form an open passage across a membrane D. undergo a conformational change to transport substances E. all of the above

E. all of the above

exocrine glands A. may make either mucous or serous secretions B. release their secretions into the external environment C. may release their secretions through open tubes, called ducts D. may work as a single cell or as a multicellular organism E. all of the above statements are true

E. all of the above statements are true

Epithelial cells adapted for membrane transport of large quantities of materials, such as ions and nutrients, usually have ____ on their apical surface. A. flagella B. cilla C. lysosomes D. mitochondria E. microvilli

E. microvilli