Admission Exam For Nursing

Front 1

What characterizes a chemical reaction as combustion

Back 1

Addition of Oxygen

Front 2

What is the charge on potassium in the compound KCL

Back 2

Potassium has a charge of +1

Front 3

How many electrons does an oxygen have

Back 3

10 total electrons

Front 4

How many neutrons does an atom of carbon-14 contains

Back 4

8

Front 5

What is the strongest type of chemical bond

Back 5

Covalent bond

Front 6

What is the mass of one mole of carbon dioxide

Back 6

44g/mol

Front 7

How many molecules are present in two moles of oxygen

Back 7

1.204*1023

Front 8

How many moles of CO(2) will be produced from the reaction of three moles of acetylene with excess oxygen
2C(2)H(2) + 5o(2) / 4Co(2) + 2H(2)o

Back 8

Six moles

Front 9

What would be oxidation state of the sulfur atom in sulfuric acid H(2)SO(4)

Back 9

+6

Front 10

What is the most important characteristic of water

Back 10

Polarity of hydrogen bonding

Front 11

Which of the following biologic macromolecular are most important to cellular membrane

Back 11

Phospholipids

Front 12

What cellular organelle is the site of catabolic pathway leading to cellular energy production

Back 12

Mitochondria

Front 13

What type of cellular reproduction do bacteria undergo

Back 13

Binary fission

Front 14

What is the probability that a recessive trait would be expressed in offspring if two parents who are both heterozygous for the desired trait were crossed

Back 14

25%

Front 15

In which organelle does transcription begin

Back 15

mRNA

Front 16

At what phase of meiosis does crossing over occur

Back 16

Prophase I

Front 17

What is the benefit of water's ability to make hydrogen bonds

Back 17

High specific heat

Front 18

What is the weakest of all the intermolecular forces

Back 18

Dispersion

Front 19

What is the correct name of MgSO(4)

Back 19

Magnesium sulfate

Front 20

What is the correct formula for magnesium chloride

Back 20

MgCl(2)

Front 21

A catalyst increases the rate of reaction by

Back 21

Lowering the activation energy

Front 22

Phenolphthalein changes from colorless to pink in basic solutions. At what pH value would the solution remain colorless

Back 22

8.4 (Above 7)

Front 23

How could water be boiled at room temperature

Back 23

Lowering the pressure

Front 24

Iodine and carbon dioxide undergo sublimation at room temperature and atmospheric pressure. What is this process

Back 24

Changing from a solid to gas

Front 25

What is the concentration of 58.5g of NaCl in 2L of solution
(Na=23g/mol, and Cl=35.5g/ml)

Back 25

0.5 mol of NaCl

Front 26

What is the ground state electron configuration for zinc

Back 26

1s22s22s63s23p64s23d10

Front 27

What is the correct electron configuration for neon

Back 27

1s22s22p6

Front 28

Redox reactions are those that occur with a transfer of electrons. What would cause an increase in the oxidation number

Back 28

Oxidation

Front 29

Chemical reaction in living systems proceed along catabolic pathways and there tends to be an increase in

Back 29

Entropy

Front 30

A diploid germ cell containing 72 chromosome undergoes meiosis. How many chromosome will be in each gamete

Back 30

36

Front 31

What process is responsible for actively transporting small particle across the cell membrane

Back 31

Pinocytosis

Front 32

What is the primary cause of water molecules moving into or out of cell

Back 32

Water molecules pressure gradiant along the cell membrane

Front 33

Why is DNA important for metabolic activities of the cell

Back 33

Control synthesis of enzymes

Front 34

Which outcome is the primary control center for cellular activities

Back 34

Nucleus

Front 35

What are carbohydrates

Back 35

long chains or polymers of sugar

Hint 35

Responsible for storage structure and energy

Front 36

Phospholipids important functions

Back 36

Cellular membrane

Front 37

What are proteins

Back 37

Polymers of 20 molecules called amino acids

Front 38

What is metabolism

Back 38

The sum of all chemical reactions that occur in an organism

Front 39

Organelles that read the RNA produces in the nucleus

Back 39

Ribosomes

Hint 39

Bound RIbosomes- attached to the ER
Free Ribosomes- found in cytoplasm

Front 40

What is the clear part covered with ribosomes and responsible for protein synthesis and membrane production

Back 40

Rough ER

Front 41

What part of the ER lacks ribosomes and functions in detoxification and metabolism of multiple molecules

Back 41

Smooth ER

Front 42

What is responsible for packaging, processing and shipping of organelles

Back 42

Golgi Apparatus

Front 43

WHat results in a large production of energy in the form of ATP

Back 43

Photosynthesis

Front 44

Synthesis

Back 44

Two elements combine to form a product

Front 45

Decomposition

Back 45

Breaking of a compound into component parts

Front 46

Combustion

Back 46

The reaction of a compound element with oxygen

Front 47

Replacement

Back 47

Ionic compounds that have metals

Front 48

Single replacement

Back 48

Ionic compounds with reactive metals

Front 49

Double replacement

Back 49

Have a negative and positive ion

Front 50

Ionic bonds

Back 50

Electrostatic attraction between two oppositely charged ions between metals and non-metals

Front 51

Covalent bonds

Back 51

Formed when two atoms share a pair of electrons

Front 52

Nonpolar bonds

Back 52

Two bonds shared equally

Front 53

Polarity

Back 53

Difference in electronegativity values for the elements involved in the bonding

Front 54

Hydrogen bonds

Back 54

attraction for a hydrogen atom by a highly electronegative element

Front 55

Acids

Back 55

Compounds acting as hydrogen donors

Front 56

Bases

Back 56

Compounds acting as hydrogen receptors

Front 57

Acidic

Back 57

Ph is less than 7