Atoms & Elements
a positively charged particle in the nucleus of an atom
a. proton
b. neutron
c. electron
a. proton
Atoms that transfer or receive electrons, and become charged are called
a. Elements
b. covalent
c. ions
c. ions
The normal pH range for blood is:
a. 7
b. 7.35-7.45
c. 0-15
b. 7.35-7.45
If I add salt to water and they form a homogenous mixture, the salt is the ______ and water is the ____.
a. solvent, solute
b. solute, solvent
c. both are solvents
b. solute, solvent
What are the 4 organic compounds in our body?
a. Kim, Courtney, Chloe, and Kris
b. atoms, electrons, protons, neutrons
c. carbohydrates, lipids, nucleic acids, and proteins
c. carbohydrates, lipids, nucleic acids, and proteins
The reactivity of an atom depends on its
a. protons
b. electrons
c. neutrons
b. electrons
If Carbon has an atomic number of 6, how many electrons does it have?
a. 12
b. 18
c. 6
c. 6
Which pH has the most hydrogen ions?
a. 1
b. 5
c. 8
a. 1
A homogenous mixture means:
a. both the solvent and solute mix and blend together
b. the solute will separate if not shaken and reconstituted.
c. the solvent and solute will mix but remain separate from each other.
a. both the solvent and solute mix and blend together
Proteins are made of:
a. amino acids
b. glyceride molecules
c. glucose molecules
a. amino acids
a group of chemicals makes up
a. tissues
b. cells
c. an organism
b. cells
Chemicals that are covalently bonded make a:
a. element
b. molecule
c. ion
b. molecule
a neutral pH for a solution is
a. 5
b. 10
c. 7
c. 7
The universal solvent is:
a. saline
b. water
c. blood
b. water
a protein that acts as a catalyst for a reaction (speeds up) and often ends in the suffix -ase is
a. a monosaccharide
b. an enzyme
c. a lipid
b. an enzyme
Chemistry in nursing helps with (pick 2)
a. understanding why a patient is not nice
b. evaluating lab values, understanding symptoms
c. understanding the effects of medications
b and c
If titanium has 22 protons, how many electrons does it have?
a. 22
b. 44
c. 11
a. 22
a substance with a pH greater than 7 is:
a.a base/alkaline
b. neutral
c. an acid/acidic
a. a base
2 types of heterogeneous mixtures are:
a. solution and colloid
b. solution and suspension
c. colloid and suspension
c. colloid and suspension
This element is the basis of all organic substances:
a. sulfur
b. copper
c. carbon
c. carbon
Lipids and phosphorous are the main components of the (peek at chapter 3)
a. mitochondria
b. plasma membrane
c. lip injections of the Kardashians
b. plasma membrane
If carbon has 4 electrons in its second energy level, how many more does it need to be stable?
a. 4
b. 2
c. 6
If my patient's pH is 7.15, they are in:
a. alkalosis
b. homeostasis
c. acidosis
c. acidosis
When salt dissolves in water, salt is the
a. solute
b. solvent
c. solution
b. solute
The main protein in blood plasma (peek at Ch. 12) that maintains fluid balance and osmotic pressure within the blood vessels is:
a. erythrocytes
b. albumin
c. hemoglobin
b. albumin