FINAL EXAM FOR BIOOO

which of the following describes any substance with a pH of 13 and acts as a proton acceptor ?

highly alkaline

according to the octet rule, which of the following best describes neon if a neutral atom of neon possesses an atomic number of 10 and a mass number of 20

inert

the monomer unit of a protein is a ....

amino acid

which of the following correctly lists the levels of organization from least complex to most complex?

1. chemical level 2. cell level 3. tissue level 4. organ level 5. organ system level

Anatomy is to ________ as physiology is to ________.

1. form 2. function

the two hydrogen atoms of a water molecule will form ___ bonds with the oxygen atom by unequally sharing a pair of electron. However, when placed into a container, neighboring water molecules are held together by weak ___ bonds which are created by the weak attractions between opposite charged ends of the water molecules

1. polar covalent 2. hydrogen

a neutral atom of sodium has an atomic number of 11 and a mass number of 23. how many electrons would it possess ?

11 electrons

A neutral atom of phosphorus was found to have an atomic number of 15 and a mass number of 31. how many valence electrons does it possess ?

5

DNA and RNA are polymers made of nucleotides. Each nucleotide consists of a ____

5 carbon sugar, a nitrogen base, & a phosphate group

a neutral atom of carbon has an atomic number of 6 and a mass number of 14. How many neutrons would it possess ?

8 neutrons

the pericardial cavity is part of which of the following ? a. thoracic cavity .b. abdominal cavity c. cranial cavity d. ventral body cavity e. dorsal body cavity

A & D are correct

which of the following anatomical terms is NOT correctly matched to its definition ?

C. volar- armpit

which of the following anatomical terms is NOT correctly matched to its definition ?

D. mental forehead

which of the following chemical symbols is NOT correctly matched to the element for which it is designed ?

E. B- beryllium

The microscopic study of cells is known as

Histology

64. which of the following is NOT TRUE regarding the difference between RNA and DNA ?

RNA contains thymine while DNA contains uracil

which of the following statements is NOT true ?

The K shell can hold a maximum of 8 electrons that possesses more energy than electrons in the L shell

which of the following factors is required for humans to exist ?

a. available oxygen b. constant pressure c. nutrients d. stable pressure E. all of these - all of these

a. the skeletal system is ___ to the muscular system b. the acromial region is ___ to the sternal region c. the cephalic region is ___ to the abdominal region d. the scapular region is ___ to the mammary region

a. deep b. lateral c. superior d. posterior

which of the following best describes H2SO4 if when placed in solution: H2SO4 - H+ + SO4 ?

acid

which of the following prefixes, suffixes, or root words, is NOT correctly matched to its definition ?

algia- pain morph- form or shape hemo- blood myo- muscle blast- to Burst or loosen - blast: to burst or loosen

which of the following is an example of a positive feedback mechanism commonly employed by the body ?

blood clotting

to which of the following levels of organization do atoms, molecules, monosaccharides and proteins belong ?

chemical levels

which of the following prefixes, suffixes, or root words, is NOT correctly matched to its definition ?

chondro- cartilage retro- backward bronch- windpipe hetero- same auto- self - hetero-same

when a nurse takes a sample of blood from a patient, the blood is drawn into a capillary tube without the use of suction. One reason is because water molecule in the plasma stick to each other . this phenomenon is called:

cohesion

The three components of homeostatic regulation include: a receptor, an effector and a _______

control center

which of the following anatomical terms is NOT correctly matched to its definition ?

crural- calf cubital- back of elbow carpal- wrist costal- rib coxal- hip - crural- calf

all organic polymers are made by an anabolic reaction called ___ where water molecules are removed from between the monomers

dehydration synthesis

the shape of a protein is critical for its ability to function properly. uncoiling a protein's 3 dimensional shape by exposure to acids or high temp. is called...

denaturation

the abdominal pelvic region that is superior to the umbilical region is the

epigastric region

which of the following statements is NOT TRUE regarding chemical reactions ?

exergonic reactions require more energy to go into the reaction than the amount produced by the reaction

an atom becomes a cation by

giving up electrons from its outermost shell

which of the following is a highly branched polysaccharide created by animal cells to store excess glucose ?

glycogen

which of the following terms refers to the maintenance of the body's internal environment within narrow physiological limits, or "steady state" ?

homeostasis

which of the following regions of the abdominopelvic cavity contains the uterus and vagina of the female reproductive tract ?

hypogastric region

which of the following is NOT TRUE regarding nucleic acids ?

in RNA, cytosine always binds to guanine with 2 ionic bonds

which of the following is NOT correctly matched to is definition ?

isotope- two molecules with the same number of protons and neutrons but different number of electrons

which of the following organs is located almost entirely within the right upper quadrant ?

liver

the abdominopelvic region that is immediately inferior to the hypochondriac region is the

lumbar region

which of the following systems of the human body is NOT correctly matched to its function and major organs ?

lymphatic system- lungs, trachea, & diaphragm responsible for inhalation of oxygen, etc...

which of the following terms refers to the sum of all chemical reactions of a cell ?

metabolism

a plane or section that divides an organ such that equal right and left halves are created is called ___

mid-sagittal

the monomer unit of all carbohydrates has a 1:2:1 ratio of carbon to hydrogen to oxygen and is called a ....

monosaccharide

which of the following prefixes, suffixes, or root words is NOT correctly matched to its definition ?

nephr-fire gastro- stomach photo- light inter- between scler- hard - nephr-fire

which of the following is the subatomic particle found within the nucleus of the cell and possess a neutral cavity, low energy, and high mass ?

neutrons

which of the following is defined by an element's atomic number ?

number of protons

the chemical behavior of an atom, including whether it will form bonds, Is determined by the

number of valence electrons

which of the following is a serous membrane surrounding only the heart ?

pericardial membrane

51. which of the following is NOT TRUE ?

polar molecules are hydrophobic while non polar substances are hydrophilic

which of the following anatomical terms is NOT correctly matched to its definition ?

pollex- great toe

which of the following is an organic compound held together by specialized covalent bonds called peptide bonds ?

proteins

which of the following characteristics of life refers to the ability to sense and detect both internal and external stimuli and to generate a reaction appropriate to that stimulus ?

responsiveness

which of the following is NOT TRUE regarding lipids ?

saturated fats have one or more double bonds & therefore tend to be liquid at room temperature

which of the following levels of proteins structure is created by hydrogen bonding between functional groups resulting in either an alpha-helix or a beta sheet ?

secondary

which of the following is a disaccharide made of a monomer of glucose bonded to a monomer of fructose and is sometimes called table sugar ?

sucrose

a transverse plane divides the body into

superior and inferior portions

which of the following best describes the relationship between the carpal region and the olecranal region relative to the shoulder ?

the carpal region is superior to the shoulder while the olecranal region is superficial to the shoulder

which of the following best describes the location of the ears relative to the tip of the nose ?

the ears are lateral and posterior to the tip of the nose

which of the following serous membrane lines the right and left lung ?

the pleura

in an ionic bond atoms are bonded together by the

transfer of electrons from one atom to another

a neurosurgeon orders a spinal tap for a patient into which of the cavity would the needle be inserted ?

vertebral cavity