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WorksheetsPBS EOC Review #2
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What does the tricuspid valve do?
a)
Prevent backflow from the RA to RV
b)
Prevent backflow from the RV to RA
c)
Prevent backflow from the LV to LA
d)
Prevent backflow from the LA to LV
2.
Which heart structure carries deoxygenated blood to the lungs?
a)
Pulmonary artery
b)
Pulmonary vein
c)
Aorta
d)
Superior vena cava
3.
Which heart structure carries deoxygenated blood from the lower body to the RA?
a)
Aorta
b)
Pulmonary vein
c)
Superior vena cava
d)
Inferior vena cava
4.
Which blood vessel has thick walls to carry blood under high pressure to the body?
a)
artery
b)
vein
c)
capillary
d)
all of the above
5.
What is the ideal blood pressure?
a)
20/100
b)
180/20
c)
120/80
d)
20/80
6.
Which number represents the pressure of blood in the arteries as ventricles relax?
a)
total blood pressure
b)
systolic
c)
diastolic
d)
histolic
7.
Which molecule takes cholesterol to the cells?
a)
LDL
b)
HDL
8.
Which molecule removes excess cholesterol and transports it to the liver?
a)
LDL
b)
HDL
9.
Which of these is NOT part of the immune system's innate defenses?
a)
skin
b)
B cells
c)
nose hair
d)
mucus
10.
What is the primary factor that determines the three-dimensional shape of a protein?
a)
The structure of peptide bonds
b)
The sequence of peptide bonds
c)
The sequence of amino acids
d)
The structure of the amino acids
11.
What is the term for distinct segments of DNA that differ from person to person?
a)
Traits
b)
Chromosomes
c)
Nucleotides
d)
Genes
12.
Which statement about blood pressure is true?
a)
The top number of blood pressure reading represents the pressure exerted on the vessels when the heart is relaxing
b)
Blood pressure can be measured directly with an EKG
c)
A blood pressure reading of 160/100 is considered a healthy blood pressure
d)
Factors that can increase blood pressure include stress, a high salt diet, and cholesterol buildup in the blood vessels
13.
Both the respiratory system and circulatory system are necessary for the delivery of oxygen to body tissues. Which statement correctly explains how these two systems work together?
a)
Capillaries surround the alveoli and allow oxygen to diffuse into the blood stream to be transported to body tissues
b)
White blood cells bind to oxygen from the lungs and carry the oxygen to the body tissues
c)
The lungs supply the oxygen and the veins deliver the oxygen to the body
d)
Oxygenated blood moves from the bronchial tubes to the aorta and then is transported to the body tissues
14.
Which condition would be a consequence of a malfunction in the large intestine?
a)
Ulcers
b)
Diarrhea
c)
Salivation
d)
Acid reflux
15.
How does the urinary system maintain cellular homeostasis?
a)
Regulates water balance
b)
Regulates blood sugar
c)
Separates damaged cells
d)
Delivers oxygen to cells
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