WorksheetsPBS Unit 2 Review
Total questions: 46
Worksheet time: 22mins
Which of the following may indicate that a mole is skin cancer?
Moles has uniform border
Mole is a small diameter
Mole has more than one color
Mole is symmetrical in shape
The human body's ability to maintain constant internal conditions is referred to as
homeostasis
hematology
hepatic
differentiation
The pancreas produces _____ when your blood sugar level is high.
Thyroxin
Melatonin
Glucagon
Insulin
Choose the best description of anemia.
deficient hemoglobin content
blood cells are sickle shaped and have difficultly carrying sufficient oxygen
white blood cells attack self cells
blood clots in an unbroken blood vessel
Match the blood component to function?
red blood cells
carry oxygen
white blood cells
fight infection
plasma
carry nutrients and waste
platelet
blood clotting
oxygen carrying part of RBC
hemoglobin
Match the correct cholesterol levels?
less than 100 mg/dL
LDL
60 mg/mL or higher
HDL
less than200 mg/dL
Total cholesterol
During digestion, ________ are broken down into _________ which provides ________ for the cells.
Fats, amino acids, oxygen
Fibers, fatty acids, free radicals
Carbohydrates, glucose, energy
Proteins, sugar, fuel
Tumors that are cancerous are referred to as
malignant.
benign.
biopsy.
harmless.
When cancer cells spread to other parts of the body, ________ has occurred.
metastasis
meiosis
biopsy
karyotyping
After transcription, mRNA leaves the ________ and travels to the ________, where translation will occur.
nucleus; ribosome
ribosome; nucleus
cytoplasm; nucleus
cytoplasm; ribosome
What does mRNA that reads UCC code for?
serine
proline
arginine
methionine
A disorder is recessive. A person is normal but one parent had the disorder. What is the person's genotype?
AA
Aa
aa
unknown
Match the types of mutations.
frameshift
happens with a deletion
substitution
base is changed
deletion
base is removed
insertion
base is added
How many chromosomes do humans have?
it varies from person to person
46 pairs of chromosomes
23 chromosomes
23 pairs of chromosomes
Which karyotype shows a monosomy?
If row 2 is sickle cell (ss) and row 3 is normal (SS), which row indicates a carrier who is Ss?
6
7
8
Match the condition with the lab results
WBC count high
infection
RBC low
anemia
WBC low
autoimmune disease
Hemoglobin low
iron deficiency
Platelets high
risk for blood clots
Which arrow is pointing to a red blood cell?
the purple arrow
the green arrow
neither arrow is pointing to a RBC
The body's primary source of energy is from
lipids
carbohydrates
proteins
nucleic acids
What is the function of insulin?
it regulates the amount of glucose in the blood
it regulates the amount of glucagon in the blood
it works with glucose to allow cells to make proteins
it works with glucose to regulate body temperature
When blood sugar is low, the pancreas releases what hormone?
glucagon
glucose
insulin
glycogen
Normal range of a pulse oximetry is
100-110
95-99
90-95
85-90
Match the following terms dealing with blood pressure
pressure in arteries as heart pumps blood out
systolic
pressure as the heart relaxes
diastolic
diastolic
lower number
systolic
upper number
What is a sphygmomanometer?
blood pressure gauge
pulse oximeter
thermometer
stethoscope
A high blood pressure is called
hypotension
cardiac arrest
hypertension
insomnia
Person trained to draw blood from your arm is a
phlebotomist
radio technician
radiologist
primary care specialist
Identify what structure is outlined in the BLACK outline.
Base pair
deoxyribose sugar
phosphate group
hydrogen bonds
Nucleotide
Gel electrophoresis is used to separate the fragments of DNA. The larger pieces of DNA will travel __________________ the smaller fragments through the gel.
at the same speed as
further than
slower than
in the opposite direction as
Examples of negative feedback loops are . . .
childbirth
blood clotting
blood glucose regulation
A doctor emails an 8-year old child's mother about his MRI scan. Was HIPAA violated?
Yes
No
A woman tested positive for COVID. Her doctor reports her illness to the local department of public health. Was HIPAA violated?
Yes
No
When there is too little glucose in the blood, the __________ releases ___________ which causes glucose to be released from the stored glycogen in the liver.
liver, glucagon
pancreas, insulin
pancreas, glucagon
liver, insulin
What blood pressure would be considered normal?
119/70
122/85
195/125
130/85
Does the mole on the right show signs of asymmetry?
No
Yes
What is the difference between low-density lipoprotein (LDL) and high-density lipoprotein (HDL)?
LDL is responsible for transporting cholesterol, HDL is responsible for removing excess cholesterol
HDL is responsible for transporting cholesterol, LDL is responsible for removing excess cholesterol
What is the most accurate description of transcription?
takes the message from mRNA and makes a protein
Copies DNA from a specific gene to messenger RNA (mRNA)
signals apoptosis
regulates mitosis
What is the most accurate description of translation?
mRNA is converted to a protein by a ribosome
Copies DNA from a specific gene to messenger RNA (mRNA)
signals apoptosis
regulates mitosis
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
Substitution
Deletion
Insertion
Frameshift
A mutation is defined as:
A change in the cell's structure
Anything that changes in an embryo
Any change in the physical features of a human
A change in the DNA sequence
What type of point mutation would cause the least problems?
missense
nonsense
silent
frameshift
