anatomy exam
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- 22) The double helix stranded DNA molecules held together at nucleotides by:
- b. Hydrogen bonds
- 11) The anatomical position is characterized by all the following except
- c) arms turned posteriorly
- 17) If an atom is described as being very electronegative, this means that
- b. it has a great affinity of drawing power pore electrons
- 97) What is the first threat to life from a massive 3rd degree burn
- b) Dehydration
- 3) Cornel plane through the head is
- b) could pass through the ears
- 88) Although you get wet while swimming a tough protein within your skin prevents it from soaking up moisture like a sponge, the substance is
- a. Keratin
- 6) Dorsal aspect of human body is also its
- b) posterior surface
- 86) Sebacous glands are most important for
- b) keeping the skin and hair flexible
- 4) In the negative feedback mechanism
- a) the response of the effecter is to depress or end the original stimulus.
- 87)The skin acts as a biological barrier with the present of
- a) Langerhans Cells
- 8) The position of the heart relative to the structures around it will be best described accurately by
- a) Deep to sternum (breast bone)
- 92) Although the integument is a covering it is by no means simple, and some of its function include
- b) Resistance macrophages- like cells function is to foreign invaders and present them to the immune system
- 1) The correct sequence of levels form the structural hierarchy is
- d) atom, molecule, cell, tissue, organ, organ system, organism
- 93) Nutrients reach the surface of the skin (epidermis) through the process of
- d) diffusing through tissue fluid from blood vessels to the dermis
- 7) A capillary is damaged, a platelet plug is form. The process involves platelets sticking to each other, more platelets that sick together the more plug attracts additional platelets. This is an example of
- d) positive feedback
- 95) The epidermis consists of 5 layers of cells, each layer with a distinct role to plan the health and well being and functioning of the skin. Which of the following is responsible for cell division and replacement
- d) Stratum gernunomtuium
- 2) Which of the ventral cavities subdivisions has no bony protection
- b) abdominal cavity
- 85) The modified sweat gland which secrete ear wax is the
- d) ceruminuous gland
- 5) A neuron surgeon orders a spinal tap for a point into what body cavity will the needle be inserted
- c) Dorsal
- 82) Which of the following is true concerning oil production in the skin
-
b)the secretion is sebum
c) oil is usually ecreted into the hair follicle
d) more then one is correct
- 9) An anatomist will examine the structure of a body part. The physiologists will be concerned with its
- d) function tissues
- 91)) The dermis
- b) has two distinct layers
- 10) The structure that is composed of two or more tissues
- c) organs
- 96) The papillary layer of the dermis is connective tissue heavily invested with blood vessels. The Superior surface has structures called
- a) Dermal papillae
- 45) Phosphilipid
- c) both hypophiloc and hypophobic in nature
- 89) Sweat is typically classified
- a. acidic
- 48) Cholesterol is used to
- a) stabilize the bilayer
- 83) Which of the following is a function of a skin
-
a) body temp control
b) production of Vit. D
c) protection from bacterial invasion
d) all of the above
- 60) An epithelial tissue that has several layers with a layer of flattened cells most superficial is called
- e) a and c (sqamous and stratified)
- 94) The melanocytes and keratinocytes work together in protecting the skin from U.V damage because the rule of the kerainocytes is to
-
b) Accumulate the meleon graduals on their superficial portion forming a pigment that protects DNA and U.V radiation
-
33) All are examples of carbohydrates except
a. starch
b. cellulose
c. steroids
d. glycogen
- c. steroids
- 90) A needle would pierce the epidermal layer of the forearm in which order
- d) Corneium, granulosum, spinosum, basal
- 46) If you give a patient a hypotonic intervenes they most are what?
- a) dehydrorated
- 84) This gland secretes organic molecules which results in body odor
- b) Apocrine gland
- 18) When hydrogen peroxide is reacted with liver catalase, it can easily be determined that this reaction is an exergonic reaction because
- a. it releases heat energy b. it releases gas in form of bubbles c. it causes the breakdown of the liver d. all of the above
- 41) Sodium and potassium pump results
- d) establishes a electrochemical gradient à glucose and amino acids are co transported with sodium as its leaks back into the cell.
- 16) Energy contained in molecular bonds is
- c. mechanical
- 24) If blood pH lowers below 7.35 it is an indication that:1. blood is becoming more acidic 2. blood is becoming more basic 3. more Hydrogen ions are present in the blood 4. less hydrogen bonds are present in the blood
-
1. blood is becoming more acidic 2. blood is becoming more basic 3. more Hydrogen ions are present in the blood 4. less hydrogen bonds are present in the blood
b. 1&3
-
28) a lipid used as the basis of vitamin D, sex hormones, and bile salts is
a) triglyceride
b) cholestrol
c) phospholipids
d) none of the above
- b) Cholesterol
- 50) Which is not a type of epithelial tissue
- a) cartilage
- 44) Now you place the fluid inside the cell model with a 20% sugar solution. The surrounding solution remains the same. What happens to the size of the cell?
- B) continues to increase in size
- 26) A triglyceride fat consists of
- a) a glycerol and 3 fatty acids
- 59) The cell type that transmit impulses necessary for communication is
- d) neurons
-
31) the reverse of dehydration synthesis is
a. biosynthesis
b. biochemistry
c. hydrolysis
d. protolysis
- c. hydrolysis
- 73) The production of excess pigments in the skin is stimulated
- b) U.V Rays
- 40) Hormones enter cells through
- e) Receptor mediated endocytosis
-
32) Liquid fats called oils contain
a. long carbon hydrogen chains linked by double covalent bonds
b. fat molecules lined up side by side
c. many glucose molecules
d. long H2O chains linked by single covalent bonds
- a. long carbon hydrogen chains linked by double covalent bonds
- 42) Osmosis
- e) all of the above
- 67) The tissue type, which arises from meschenyme, is
- c) Connective tissue
- 61) The muscle of your face that you use to smile is
- c) Skeletal
- 47) Plasma membrane protein is
- b) Molecular transport through membrane
- 69) The shape of the external ear is maintained
- b) elastic cartilage called
- 43) A cell model who has a selectively permeable membrane is places into a 10% sugar solution and the call increases in size. Name of solution is
- b) hypotonic
-
30) Amino acids differ from each other by their
a. R group
b. Amino group
c. Carboxyl group
d. Peptide bonds
- a. R group
- 52) The epithelial found where friction is greatest
- b) Stratified sqaumous
- 75) Which of the following epithelial types is most numerous
- a) Karatincytes
- 71) Which is true of muscle tissue
- a) highly cellular and vascularlized
- 78) Melonocytes
-
a) a spider chaped cells in contact with cells of the basale
b) produces a substance incorporated by other cells
d) a and b are correct
- 36) Which of the following is the generator of membrane potential?
- a. both potassium and sodium can leak
-
25) Which property of water helps us maintain temperature homeostasis?
1. universal solvent 2. reactivity 3. high heat capacity 4. high heat of vaporization - c. 3&4
- 62) Propels substances through organ by alternatively contracting and relaxing, a example is moving through digestive cells
- a) Smooth muscle
- 49) Which of the following terms could not be applied to epithelial tissue
- d) strong matrix
- 64) Epithelial tissue
- c) has an basement membrane
- 65) Which statement best describes connective tissue
- a) Usually contains large amounts of matrix
- 20) four elements account for 96% of our body weight which 4 are they?
- b. H, N, O, C
- 21) Nerve impulses are controlled by:
- c. electrical energy
- 23) Catabolic reaction refer to:
- a. reaction in which bonds are broken b. decomposition c. reaction which usually release hear d. all of the above
- 56) The muscle tissue is multinucleated, striated and voluntary is
- b) Skeletal
-
29) A hydrocarbon chain made up of only single bonds is:
a. polysaturated
b. unsaturated
c. saturated
- c. saturated
-
A chemical has an amino acid group and carboxyl group. It does NOT however have any peptide bonds. its a..
a) monosaccharide
b) amino acid
c) protein
d) lipid
- b)amino acid
- 57) Which of the following terms describe cardiac muscle
- d) All of the above (striated/ intercalated discs/ branching)
- 76) Which of the following is not a tissue type found in the skin
- b) Ciliated columnar
- 15) Energy:
- b. does work
- 13) Factors that accelerate the rate of reaction include all but
- c. decreasing temperature
- 55) The polarity of the epithelial tissue means
- b) They have free surface
- 37) A red blood cell placed into pure water will
- d) swell and burst
- ) The sensation of temperature and pressure are picked up by receptors located in
- b) stratum basal
- 12) Molecules formed when electrons shared unequally are
- b. polar molecules
-
35) sustained fevers of 104 F has the potential to cause extreme cellular damage and even death. This is because:
1. phospholipids begin to separate from cell membranes
2. tertiary and quaternary structures begin to fall apart
3. hydrogen - b. 2,3
- 39) Which of the following is considered active transport
- b) Solute pump
- 70) The inability to absorb digested nutrients and secret mucus might indicated a disorder in which tissue
- d) simple columnar
-
34) A molecule shaped like a double helix is typical of
a. DNA
b. RNA
c. Lipids
d. Proteins
- a. DNA
- 72) The accessory components of the skin include all of the following except
- d) endocrine glands
- 66) Matrix is
- b) Fibers and ground substances
- 53) Which of the following terms described flat/scaled like cells that permit substances to pass through readily
- a) sqaumous
- 38) What will happen to the same cell is placed in hypertonic solution with a solute that is impermeable.
- b) The cells will lose water and shrink
- 58) The type of connective tissue that stores fuel is
- b) Adipose
- 19) In exchange reaction:
- a. synthesis occur b. decomposition occur c. compound: rearrange molecular partners d. all of the above
- 77) Fingerprints are caused by
- a) genetically determined arrangements of the dermal papillae
- 79) which of the following is true about skin color
- d) reddish skin tone is due to increased blood flow to the area
- 63) Acts as a transport vehicle for the respiratory system carrying nutrients, wastes, and respiratory gases
- b) Blood
- 80) Concerning hair movement
-
a) movment is the function of the arrector pilli
b) muscle contraction promoted by fright
d) a and b are correct
- 81) Water and _______ are main component of sweat
- a) salt
- 14) A chemical reaction in which bonds are broken are associated with
- a. release of energy
- 54) connective tissue contains
- d) more then one is correct( cells/ fibers/ fluid)
- 51) In which of the following tissue types would you expect to find goblet cells
- b) simple columnar
- 68) The fiber type which gives connective tissue great tensile strength
- c) Collagen fibers