Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

NLN PAX - > nln specfic > Flashcards

nln specfic Flashcards

1
Q

1 kilogram (kg) of solid X at 10°C and 1 kg of solid Y at 10°C each absorb 5 joules of heat energy. The final temperatures of X and Y are 15°C and 20°C, respectively. Compared to X, Y must have a lower

A

specific heat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A drop of dilute ammonium hydroxide (NH4OH) is placed on one side of a slide containing a large number of swimming paramecium. Under this condition, which of these behaviors of the paramecia will be observed

A

They will eventually all swim away from the ammonium hydroxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the person’s breath contains

A

carbon dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

normal adult BP =

A

120/80 mm Hg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

unknown gas is more dense than air, does not support combustion, and turns a limewater solution cloudy. This gas is most probably

A

carbon dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

If a red light is passed through a dilute solution of chlorophyll solution, the spectrophotometer will detect what amount of transmittance of this light?

A

50-75%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

If the medulla of the brain in a human was damaged, which of these conditions would most likely result?

A

Difficulty in breathing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

To sterilize a metal probe in the office, a dentist could use a steam sterilizer. If unavailable, the next most effective method to sterilize the instrument would be

A

boiling it in water for 15 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Iodized salt is used to prevent a human condition known as

A

iodine deff.. goiter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The organ that filters metabolic waste from the blood is

A

kidney

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q 
Which of these equations best illustrates a synthesis reaction?
	2Na + Cl2 -> 2NaCl
	NaOH + HCl -> NaCl + H2O
	2H2O2 -> 2H2O + O2
	CH4 + 2O2 -> CO2 + 2H2O
A

2Na + Cl2 -> 2NaCl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which of these quantities is most closely associated with an object’s inertia?

A

mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which part of the human central nervous system controls voluntary movements

A

cerebrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

While working in the chemistry laboratory, a student spills dilute hydrochloric acid on her hand. What is the first action this student should take?

A

Flush her hand with large quantities of water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Within a living cell, the oxygen (O2) from a mixture of O2 and carbon dioxide (CO2) is used up. This creates a concentration gradient across the cell membrane, drawing O2 across the membrane from the outside in, a process known as

A

diffusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A lens that focuses distant light to a single point is known as a

A

converging lens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

A material that settles out of a reaction is termed a(n)

A

emulsion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Cicero and Wozniak probably decided to restrict their study to male offspring of alcoholic male rats because they wanted to

A

compare results with prior findings from human studies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

During exercise, a person’s respiratory rate increases due to

A

an increase in CO2 concentration in the blood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

If a person is fasting for 24 hours and ingests no carbohydrates, the liver will provide for the body’s need by

A

converting glycogen into glucose.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The meiotic division of cells leads to the production of cells that

A

contain half the usual number of chromosomes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Unicellular organisms that have a nucleus and can swim with the aid of cilia are examples of

A

protozoan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which of these arrangements of atoms is found in all alcohols

A

C-OH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which of these changes occurs in the kidneys when a person becomes dehydrated?

A

The filtration rate of water remains constant and the reabsorption of water increases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Which of these factors is a variable in Cicero and Wozniak’s research?

A

Liquid diet of 6% alcohol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Which of these findings suggests a serious illness from a urinalysis?

A

Presence of glucose and protein.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Which of these processes is illustrated by the spreading out of ammonia vapor in a closed room?

A

diffusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Which of these structures of the male reproductive system carries sperm cells from the testes to the lower part of the abdomen?

A

vas deferens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Which of these units is associated with magnitude, but not direction?

A

time

30
Q

In ecological succession, the first living thing to colonize a hitherto barren area is called a

A

pioneer organism

31
Q

Heat energy is absorbed in which of these phase changes?

A

Br2 (l) -> Br2(g)

32
Q

The atoms of an element with seven valence electrons are most probably classified as

A

nonmetal

33
Q

The bending of a wave around an obstacle is known as

A

diffraction

34
Q

The process of nuclear cell division in the cell reproduction of plants differs from mammals. A major difference is that

A

cell plates are synthesized.

35
Q

Which of these substances contains a nonpolar covalent bond?

A

O2

36
Q

A recently discovered species has these characteristics: amniotic eggs, a four-chambered heart, and lightweight, honeycombed bones. Which of these ADDITIONAL characteristics is likely to be present?

A

feathers for flying

37
Q

An example of the most complex level of organization in a frog is the

A

respiratory system

38
Q

Anaerobic respiration occurs in muscle tissue when it cannot get sufficient oxygen to function aerobically. Which of these conditions is most likely to directly result from this?

A

cramps

39
Q

Compounds with the same type and number of atoms and the same chemical bonds but different spatial arrangements of these bonds and atoms are called

A

structural isomers

40
Q

Ductless glands in the human body secrete

A

hormones

41
Q

If the night temperature drops 50 degrees, the roadrunner’s internal energy-conservation permits a lowering of body temperature to

A

94 f

42
Q

The atomic number of flourine is 9. How many electrons are contained in the second principal energy level of a flourine atom in the ground state?

A

7

43
Q

The physics principle that is primarily used in developing a rollercoaster ride is

A

centripetal force

44
Q

The vertical columns on the periodic chart are known as

A

groups

45
Q

The weight of an adult human in newtons (N) is closest to

A

500N

46
Q

Which of these structures contains valves to prevent blood from flowing in the wrong direction?

A

veins

47
Q

The inherited factors that are transmitted in an organism from generation to generation are called its

A

genotype

48
Q

Which of these pairs of units measures the same quantity?

A

calorie and joule

49
Q

Which of these quantities is a vector quantity?

A

energy

50
Q

According to the Ideal Gas Equation (PV = nRT), if the temperature and amount of gas are kept constant, what will be the effect of an increase in pressure on the volume of a gas?

A

As the pressure increases, the volume decreases

51
Q

As part of the human immune response, which of these cells are responsible for producing antibodies?

A

lympocytes

52
Q

The region of the brain most concerned with coordinating somatic motor function is the

A

cerebellum

53
Q

The second law of thermodynamics states that with every spontaneous process, the entropy of the universe

A

increases

54
Q

Which human body system does meiosis occur in?

A

reproductive

55
Q

Which of these hydrocarbons is a member of the benzene family?

A

toluene

56
Q

Which of these single instruments may be used to measure the current flowing through a circuit?

A

ammeter

57
Q

Which of these temperatures is known as Absolute Zero?

A

0 K

58
Q

A quantity that has both magnitude and direction is called a(n)

A

vector

59
Q

In corn plants, the gene that codes for the presence of chlorophyll is sometimes missing. The resulting seedlings are albino and will not survive. This lethal gene appears in corn populations because

A

the parent plants that produced the seeds carried the recessive gene for the albino trait.

60
Q

The watt is a unit of

volt is

A

power

potential

61
Q

The full set of genes in an individual is known as

A

human genome

62
Q

Which of these germ layers gives rise to the skin?

A

ectoderm

63
Q

Which of these processes occurs at a neuromuscular junction?

A

impluse transmission

64
Q

Which of these structures produces sperm cells in human males?

A

testes

65
Q

A lab technician has the choice of four different enzymes to use in an experiment that will run at 25°C. The optimal temperatures of enzymes using the Kelvin scale are: Enzyme A: 273 K, Enzyme B: 298 K, Enzyme C: 310 K, Enzyme D: 325 K. Which enzyme would be the best to use in this experiment?

A

enzyme B`

66
Q

A substance composed of similar atoms (number of protons is the same for all) that can not be broken down chemically is a(n)

A

element

67
Q

All the glucose filtered from the blood in the glomerulus into the Bowman’s capsule of the kidney nephron is returned to the tissue fluid while passing along the proximal tubule. This rapid return is effected by the process of

A

active transport

68
Q

If blue light emits electrons from a photosensitive surface, then electrons must also be emitted by

A

ultraviolet

69
Q

In the reaction of iron with water shown below, what coefficient must be placed before the iron (Fe) to balance the reaction? Fe + 4H2O ° Fe3O4 + 4H2

A

3

70
Q

Muscles are attached to bone by which of these structures?

A

tendon

71
Q

When blood is filtered in the kidney and urine is produced, red blood cells and plasma proteins do not pass through the blood capillaries. This occurs because

A

large molecules such as blood and plasma proteins do not fit through the permeable membrane, so they cannot enter the tubules in the kidney.

72
Q

Which of these arrangements of atoms is found in all alcohols?

A

C-OH

NLN PAX - (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions