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Human Biology Exam 1

Total questions: 52

Worksheet time: 27mins

Name
Class
Date
1.

You document vital signs you obtained on a resident. This information is:

a)

Objective

b)

Subjective

2.

"My head hurts when I stand up", is what type of information?

a)

Objective

b)

Subjective

3.
What is the first step in the scientific method?
a)
Make an observation --> Question
b)
Design and conduct an experiment
c)
Make an hypothesis
d)
Share your results
4.

A hypothesis _______while a prediction________.

a)

is a testable and falsifiable statement....is an expectation of a certain result

b)

is an expectation of a certain result...explains the result

c)

describes the process of an experiment....is the analysis of the experiment

d)

is a description of natural phenomena...an inquiry about why the phenomena behaves in a certain way

5.

an inactive substance or fake treatment used to control for confounding variable

a)

Causation

b)

Evolution

c)

Placebo

d)

Independent Variable

6.
The type of reasoning where a person makes  conclusions based on observations and patterns is called...
a)
Inductive reasoning
b)
Deductive reasoning
c)
Conjecture
d)
Experiments
7.

A type of reasoning that uses general facts, definitions, and accepted properties in a logical order to write a logical argument.

a)

Inductive

b)

Deductive

c)

Logic

d)

Reasoning

8.
__________________________ uses specific observations to make generalizations.
a)
Deductive reasoning
b)
Inductive reasoning
9.
__________________________ uses generalizations to make specific conclusions.
a)
Deductive Reasoning
b)
Inductive Reasoning
10.

What is the difference between the number of frogs in the pond when the rainfall was 5cm and when the rainfall was 20cm?

a)

20

b)

40

c)

50

d)

60

11.

How many more average daily calories are needed by a 17 year old male than by a 17 year old female?

a)

300

b)

500

c)

2700

d)

3000

12.

Which particle has a positive electrical charge?

a)

proton

b)

neutron

c)

electron

13.

Which particles make up the nucleus of an atom? (you can choose more than one answers)

a)

proton

b)

electron

c)

neutron

14.

Protons have a negative electrical charge

a)

true

b)

false

15.

What is the atomic mass of an atom with 32 protons and 31 neutrons?

a)

31

b)

32

c)

62

d)

63

16.

How many neutrons are there for an atom with a mass of 20 and 11 protons?

a)

9

b)

11

c)

20

d)

31

17.

Which of the following has a double bond?

a)
b)
18.

What is the number of valence electrons of Oxygen?

a)

1

b)

2

c)

6

d)

8

19.

How many electrons are being shared between the two carbon atoms in the compound ethyne?

a)

1

b)

2

c)

3

d)

6

20.
which atom has  4 neutrons?
a)
Li-6
b)
Li-7
c)
Li-8
d)
they have the same # of neutrons
21.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
22.

Atoms have a total charge of zero if the number of protons and the number of electrons are equal.

a)

true

b)

false

23.

If the atom as more electrons, it is left with a negative charge.

a)

true

b)

false

24.

Which of these is an ion?

a)

H2OH_2O  

b)

CO2CO_2  

c)

Li +2Li^{\ +2}  

d)

4(C6H12O6)4\left(C_6H_{12}O_6\right)  

25.

Because water is polar, it is able to dissolve most substances that are polar or ionic.

a)

True

b)

False

26.

Why is it difficult to wash oil from your hands with plain water?

a)

Both substances are polar. Like polarities repel.

b)

Both substances are nonpolar. Like polarities repel.

c)

Water is nonpolar, and oil is polar, so they will not combine.

d)

Water is polar, and oil is nonpolar, so they will not combine.

27.

Name the type of bonding in which the electrons are shared.

a)

Ionic bonding

b)

Covalent bonding

c)

Metallic bonding

28.

In a(n) _____ bond, an atom takes/gives an electron.

a)

covalent

b)

hydrogen

c)

ionic

d)

metallic

29.
All atoms/elements bond in order to ....
a)
Have a full valence shell
b)
Give away electrons or take electrons
c)
Only share electrons
d)
To create electrical currents for human use 
30.

Ice has less density as compared to water due to ___________ bonds.

a)

ionic

b)

hydrogen

c)

covalent

d)

metallic

31.

Water molecules tend to make _____________ bonds with each other.

a)

ionic

b)

polar covalent

c)

metallic

d)

hydrogen

32.

What is cohesion?

a)

The ability of a molecule to "stick" to itself

b)

The ability of a molecule to "stick" to other molecules

c)

Large amounts of energy are required to change the temperature of a substance

d)

A well-organized and efficient team

33.

What property of water causes these Alka-Seltzer tablets to dissolve?

a)

Universal Solvent

b)

Expansion Upon Freezing

c)

Cohesive Behavior

d)

High Specific Heat

34.

A solution with a pH of 6 is 100 times less acidic than a solution with a pH of

(a)  

35.

Which of the following pH values represent the highest concentration of hydronium ions?

a)

8

b)

4

c)

14

d)

2

36.

A pH of 4 is how many times more acidic than pH of 6?

(a)  

37.
What is the normal pH range of blood and tissue fluid?
a)
7.35 to 7.45
b)
7.25 to 7.35
c)
7.45 to 7.55
d)
7.50 to 7.60
38.
How does the bicarbonate buffer system buffer a strong acid?
a)
By dissociating into carbon dioxide and water
b)
By releasing hydrogen atoms
c)
By binding with hydrogen atoms
d)
By interfering with the creation of new acids
39.
Maintaining the body’s normal pH range depends on a precise ratio of what two substances?
a)
Bicarbonate ions to carbonic acid
b)
Sodium to potassium
c)
Bicarbonate ions to hydrogen ions
d)
Hydrogen ions to hydroxide ions
40.
Water is used to break bonds between polymers
a)
dehydration synthesis
b)
Hydrolysis
41.
Joins amino acids to form a protein
a)
Dehydration synthesis
b)
hydrolysis
42.

Following the release of insulin - the conversion of excess glucose in the bloodstream to glycogen for storage in the liver and skeletal muscles is known as:

a)

Glycolysis

b)

Glycogenolysis

c)

Lipolysis

d)

Glycogenesis

43.

Lipids are made up of_______ (3 ANS)

a)

Hydrogen

b)

Nitrogen

c)

Oxygen

d)

Helium

e)

Carbon

44.

What are different examples of lipids?

a)

triglycerides, waxes, phospholipds

b)

monosaccahrides, disaccharides, starch, cellulose

c)

dipetide, polypeptide, amino acids

d)

DNA, RNA, ATP

45.

Match the following

a)

hydrophilic

1.

water loving

b)

hydrophobic

2.

water fearing

c)

polar

3.

has a charge

d)

non polar

4.

no charge

46.
Lipids do not dissolve in water because they are _______________
a)
polar
b)
water soluble
c)
non-polar
47.
Saturated fats have _______________
a)
straight structure
b)
single bonds
c)
solidity at room temperature
d)
all of the above
48.
An example of an unsaturated fat would be ________
a)
butter
b)
meat fat
c)
vegetable oil
d)
scrapple
49.

Match the following

a)

carbohydrate

1.

monosaccharide

b)

protein

2.

amino acid

c)

lipid

3.

fatty acid

d)

nucleic acid

4.

nucleotides

50.

What is the following molecule?

a)

triglyceride

b)

phospholipid

c)

steroid

d)

protein

51.

How would you classify a hormone that is made from cholesterol, such as a sex hormone?

a)

steroid hormone

b)

amine hormone

c)

peptide hormone

d)

protein hormone

52.

1. Which type of hormone is fat soluble?

a)

Steroid Hormone

b)

Non-steroid Hormone

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