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PBS 1st Semester Final Exam Review_copied
PBS 1st Semester Final Exam Review_copied
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Questions
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Answers
1
The human dipliod number is
64
46
32
23
2
These two test can be used to diagnose diabetes
Blood test; A1c
GTT, Insulin Test
GTT, A1c
Insulin Test, Blood test
3
250 lb, 43 y.o. male complains of excess thirst and low energy; doc confirms insulin resistance
This patient is also resistant to glucagon
This patient is Type I diabetic
This patient is having issues with his liver
This patient is Type II diabetic
4
In a diabetic, if a cell is said to be hypertonic, it is also considered to be
hypoglycemic
homeostasis
hyperglycemic
isoglycemic
5
The preferred way to determine the validity of experimental data is to have a small test group.
False
True
6
A sugar, phosphate, and nitrogenous base together make up a molecule of
DNA
carbohydrate
lipid
protein
7
The restriction enzyme HaeIII cuts between
the base pairs AA-TT
the base pairs GG-CC
the base pairs GG-AA
the base pairs TT-CC
8
Which of the following is an example of positive feedback
contractions during childbirth
glycogen being converted to glucose in the liver
sweating to reduce body temperature
maintaining the body's pH level
9
With negative feedback, when one action increases, the other will
decrease
stop
stay the same
increase
10
The function of WBCs is
to fight infection
carry oxygen
to form blood clots
provide hydration
11
When blood sugar levels are dangerously low; also known as "diabetic shock"
hyperglycemia
hypoglycemia
homeostasis
hemiglycemia
12
Which is true of the hydrophobic region on a protein?
it will behave similarly in both water and oil
it will stretch out freely in water
it will fold in when exposed to oil
it will fold in on itself when exposed to water
13
If blood glucose is too low, the pancreas secretes
glucose to bring levels back up
insulin so the cells will take up more glucose
glucagon to signal breakdown of glycogen to glucose
insulin so the liver stores more glucose
14
What is the specialized clothing or equipment worn for protection (as defined by OSHA)?
PPE (personal protective equipment)
gas mask
goggles
PEP (personal equipment for protection)
15
Which test is used to diagnose anemia?
GTT
and ELISA test
hematocrit
gel electrophoresis
16
Amino acids are the sub-units making up this macromolecule
carbohydrates
nucleic acids
lipids
proteins
17
Which of the beakers is isotonic?
middle
right
left
18
What is a document showing all the sources used to research information?
sheets of records
citation documentation
research paper
bibliography
19
This is the clear prediction of the anticipated results of an experiment?
problem statement
hypothesis
conclusion
observation
20
The correct sequence of protein synthesis is
transcription, replication, translation
replication, transcription, translation
replication, translation, transcription
translation, transcription, replication
21
Which food contains the most of this organic macromolecule?
butter
mashed potatoes
steak
tofu
22
This person provides short term care in route to the hospital
911 operator
EMT
Emergency Room Nurse
fire fighter
23
This is a picture of which organic macromolecule?
protein
carbohydrate
nucleic acid
lipid
24
This is a picture of which organic macromolecule?
protein
nucleic acid
lipid
carbohydrate
25
The doctor who performs an autopsy when death may be accidental or criminal
medical examiner
pediatrician
cardiologist
psychologist
26
Complication when ketones or proteins appear in the urinary system is known as
kidney complications
gastroparesis
ketoacidosis
skin complications
27
The four most abundant elements within the human body are
C, H, O, P
C, H, O, Na
C, H, O, N
C, H, O, and water
28
Genes contain instructions for assembling
purines
proteins
nucleosomes
fatty acid chains
29
Where are the anti-codons for translations located?
Rough ER
cytoplasm
mRNA
tRNA
30
How many amino acids are involved in the sickle cell mutation?
4
3
2
1
31
In a pedigree, a filled in circle represents a(an)
unaffected male
affected male
affected female
unaffected female
32
What structure on the RBC carries oxygen?
globularhemes
the dimple
homoglobin
hemmoglobin
33
What is the main complication of a person with Sickle Cell disease?
high blood glucose levels
low oxygen concentration in the blood
low blood glucose levels
high amounts of oxygen concentrations within the bloodstream
34
Scientists are able to multiply the DNA from a small sample via the process of
RFLPs
DNA profiling
Polymerase chain reaction
gel electrophoresis
35
What is the function of the spleen?
filter blood
help produce platelets
create new blood cells
filter ketones from urine
36
A molecule is found to consist of 32% A, 18% G, 17% C & 33% T; what is it??
DNA
RNA
monosaccharide
amino acid
37
What is a discrete unit of hereditary info consisting of a specific nucleotide sequence in DNA?
helix
chromosome
gene
cell
38
In gel electrophoresis, DNA migrates to the (+/-) pole because of its (+/-) charge.
negative, negative
negative, positive
positive, positive
positive, negative
39
The function of this cell is to carry O
2
from the blood to the bodily tissues
platelets
plasma
Erythrocytes
Lymphocytes
40
What type of mutation causes both sickle cell and Tay Sachs disease?
frame-shift
substitution
mutation
deletion
41
This is a picture of which organic macromolecule?
carbohydrate
lipid
nucleic acid
protein
42
A deletions mutation is also called
a frame-shift mutation
a point mutation
a codon mutation
evolution
43
A molecule is found to consist of 32% A, 18% G, 17% C & 33% T; what is it??
single stranded RNA
single stranded DNA
double stranded RNA
double- stranded DNA
44
What determines the shape of a protein?
only the sequence of amino acids
both the sequence and property of amino acids
only the number of peptide bonds in an amino acids
only the sequence of amino acids
45
Is the pedigree for a dominate or recessive trait?
recessive b/c it skips generations
recessive- it is seen in every generation
dominant b/c it skips generations
dominant- it is seen in every generation
46
This is the field of science that applies the natural sciences to clinical medicine.
forensics
medical technology
anatomy
biomedical science
47
This is the measurable variable of an experiment in which we are testing for ??
control group
independent variable
dependent variable
constant
48
The structure of DNA is in the shape of
sphere
wound ladder
double helix
zig zag
49
What is the elemental ratio of a monosaccharide?
1 C: 2 H: 1 P
1 C: 2 H: 1 O
1 C: 3 H: 2 O
2 C: 2 H: 1 O
50
A food calorie is equilivant to a chemistry calorie
true
false
51
Which set of cells represents what will happen if a patient is hyperglycemic?
middle
left
right
52
Why are there two copies of each chromosome within each cell?
both chromosomes are present in the ovum
a normal karyotype does not indicate individual chromosomes
both chromosomes are present in the sperm cell
one comes from mom; one from dad
53
Which of the following beakers is hypertonic?
left
right
middle
54
Chromosome with same allelic genes and genetic loci, arranged in the same order is called
homologous
sex chromosome
genetic equilivalent
ooum
55
This test measures for hemoglobin protein determining avg blood conc. for the past 2-3 months
Blood test
A1c
GTT
insulin tolerance test
56
What is an exam of the body after death with dissection to determine cause of death?
case report
examination
dissection
autospy
57
What is the genotype of a individual affected by sickle cell disease?
Ss
SS
ss
58
What shape do purines possess?
straight polymer
chain
single ring
double ring
59
The unit in which we measure energy is the
Joule
calorie
kilogram
newton
60
The amino acid Valine is
hydrophobic
hydrophilic
61
This is the set of standards/practices that guarantees patient privacy in their medical records
PPE
HIPAA
OSHA
62
What were the pills at the crime scene determined to be?
acetylsalicylic acid
acetaminophen
cocaine
methamphetamine
63
After death, which ambient temperature would lead to the most rapid cooling of a body?
53oF
15oF
93oF
77oF
64
The passive movement of water against a semi-permeable membrane is called
passive transport
active transport
diffusion
osmosis
65
This system moves the body, maintains posture, and produces heat.
muscular system
reproductive system
digestive system
skeletal system
66
What is the structural difference between a saturated and unsaturated lipid?
saturated fats are liquid at room tempsasa
unsaturated fats are solid at room temp
saturated fats contain C=H bond(s) causing chains to kink
unsaturated fats contain C=H bond(s) causing chains to kink
67
This body system includes the heart, blood vessels, veins, and arteries.
cardiovascular system
reproductive system
digestive system
skeletal system
68
This statement best describes the control group.
not manipulated
all of the above
measures same variable as experiment
used for basis of standard and comparison
69
What is the by-product from a dehydration synthesis reaction?
oxygen
salt
water
glucose
70
If 2 parents are carriers for Sickle cell, what is the chance their kid will have the disease?
75%
0%
25%
50%
71
This is the diagram used to make connections between ideas, concepts and/or items?
visual aide
mapping diorama
concept map
concept tool
72
The most frequently prescribed medicine to treat sickle cell disease is
Hereceptin
Adderall
Lecothyroxine
Hydroxyurea
73
The function of platelets
provide hydration
carry oxygen
to fight infection
to form blood clots
74
DNA is cut at a specific nucleotide sequence by
DNA proteins
gel electrophoresis
Restriction Enzymes
RFLPs
75
Physical evidence recovered from the scene that could contain DNA is/are?
skin cells
all could include DNA
blood
hair
76
If a DNA strand is CTAGGT, what is its resulting mRNA strand?
GATCCA
GAUCCA
AGCTTG
GATCCU
77
Organisms with two different alleles for a trait are said to be
hemizygous
heterozygous
homozygous
recessive
78
Which food would contain the most of this organic macromolecule?
pasta
chicken
peas
rice
79
Process of burning food and resulting water temp change to measure energy in food is called
food analysis
Joulistics
Hydrolysis
Calorimetry
80
This is a picture of which organic macromolecule?
lipid
carbohydrate
nucleic acid
protein
81
An organic macromolecule containing 3 fatty acid chains is called?
protein
lipid
carbohydrate
nucleic acid
82
Insulin is a hormone released from the
stomach
kidney
liver
pancreas
83
What characteristic separates DNA fragments during gel electrophoresis?
the sequence of base pairs of DNA fragment
The length of DNA fragment
the color of the stain used
the shape of the helix
84
DNA is a polymer of ??
fatty acids
carbohydrates
lipids
nucleotides
85
In Type I diabetes
pancreas cannot make insulin
pancreas cannot accept insulin
liver does not make glucagon
liver cannot convert glycogen
86
Which combo accurately represents Chargaff's Rule?
A=T; C=G
A=T; C=U
A=U; C=G
A=G; C=TA=T; C=G
87
If a disorder is autosomal recessive, how many copies of the gene do you need to have disorder?
2
0
1
3