AAMC Test 2

Question 1

Venturi effect

Answer 1

• oxygen pressure is the sum of the static pressure P and the oxygen flow pressure rv^2/2
• air will enter the mask because the static pressure of the air is larger than the static pressure of the oxygen in the flow.

Question 2

what gives the best estimate of a vapor pressure

Answer 2

• boiling point

Question 3

role of a catalyst

Answer 3

• increase the rate of a chemical reaction

- amount of product formed per time

Question 4

coordinate covalent

Answer 4

• the lewis acid-base interaction between a metal cation and an electron pair

Question 5

secondary structures represented by

Answer 5

• repeated patterns of hydrogen bonds between backbone amide protons and carbonyl oxygen atoms

Question 6

diverging lenses

Answer 6

• negative focal length

- virtual and reduced images

Question 7

egg and sperm are most similar in respect to

Answer 7

• genome size

Question 8

derived from mesoderm

Answer 8

• heart
• kidney
• skeletal muscle

Question 9

which cells are highly proliferative

Answer 9

• epithelial cells that line the digestive tract.

Question 10

purines are how many rings?

Answer 10

• 2

Question 11

pyrimidines are how many rings?

Answer 11

• 1

Question 12

secretory protein secretion and folding occurs where

Answer 12

• rough ER

Question 13

ubiquitination

Answer 13

• targets a protein for degradation by a proteosome

Question 14

transmembrane domains are most likely to be

Answer 14

• hydrophobic and nonpolar

Question 15

posttranslational modifications of proteins are best analyzed by

Answer 15

• Western blotting

Question 16

blood from the small intestine goes where?

Answer 16

• the liver to remove toxins

Question 17

internalization of viral particles through endocytosis is mediated by

Answer 17

• endosomes

Question 18

the addition of one nucleotide to an open reading frame

Answer 18

• frameshift mutated and an aberrant carboxy-terminal domain

Question 19

microtubules originate from

Answer 19

• centrosomes

Question 20

dependency ratio

Answer 20

• the number of economically dependent members of the population to the number of economically productive members

Question 21

linguistic relativity hypothesis

Answer 21

• suggests that human cognition is affected by language

Question 22

selectively forgetting distracting elements of life

Answer 22

• dissociative disorder

Question 23

what drug has the lowest risk of dependence

Answer 23

• hallucinogens

Question 24

how do individuals respond in groups?

Answer 24

• they are often less critical and less creative

Question 25

what part of the brain plays a role in intense emotional reactions?

Answer 25

- amygdala

Question 26

right hemisphere of the brain more linked with

Answer 26

- visuospatial skills - music perception - emotion processing

Question 27

the presence of alpha-beta plaques and neurofibrillary tangles will not allow for what?

Answer 27

- increased connection between neurons in the brain

Question 28

Hawthorne effect

Answer 28

- describes changes in research participants as a result of their awareness that they are being observed