Q1-SCIENCE 9-SUMMATIVE-TEST-2021-2022
Quiz by Merced Ansay
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- Q1
Most veins carry deoxygenated blood from the different parts of the body to the heart. Which veins carry oxygenated blood?
inferior vena cava
superior vena cava
pulmonary vein
renal vein
60s - Q2
Which of the following parts of the respiratory system looks like a bunch of grapes where the exchange of gases occurs?
bronchi
trachea
alveoli
larynx
60s - Q3
How will you describe the movement of the diaphragm in the inhalation and exhalation process?
The diaphragm relaxes during inhalation and exhalation.
The diaphragm contracts during inhalation and relaxes during exhalation.
The diaphragm relaxes during inhalation and contracts during exhalation.
The diaphragm contracts during inhalation and exhalation.
60s - Q4
Which is the correct order of airflow during exhalation?
pharynx, trachea, bronchus, bronchi, larynx, alveoli, nasal activity or nose
nasal cavity or nose, bronchi, trachea, pharynx, larynx, alveoli, bronchus
nose or nasal cavity, pharynx, larynx, trachea, bronchi, bronchus, alveoli
alveoli, bronchus, bronchi, trachea, larynx, pharynx, nasal cavity or nose
60s - Q5
Why is the blood that flows from the lungs to the heart bright red and not dark red?
carbon dioxide makes it bright red
lungs add pigment to the blood
blood is always bright red
oxygen makes it bright red
60s - Q6
Which type of blood circulation is described when the heart pumps oxygenated blood to the different parts of the body?
lymphatic system
systemic circulation
blood pressure
pulmonary circulation
60s - Q7
Oxygen (O2) and carbon dioxide (CO2) are exchanged among the cells, in the blood, and air in the lungs. Which of the following refers to this process?
respiration
digestion
circulation
excretion
60s - Q8
How will you detect if you have Chronic Obstructive Pulmonary Disease?
colds and coughing in three days
on and off high fever with difficulty in breathing
sleep disturbances
a week of cough with phlegm
60s - Q9
Why should a person quit smoking?
It keeps the person awake and alert for several hours.
It carries more oxygen by the blood throughout the body.
It leads to slower heart rate when rising from more consumption.
It raises blood pressure and leads to constriction of blood vessels.
60s - Q10
Diseases in the respiratory and circulatory systems can be prevented with a healthy lifestyle. Which among the given practices best prevents man from these diseases?
I. Eating a balanced diet
II. Avoiding vices
III. Proper hygiene
IV. Regular exercise
I and III
I and II
I, II, III, and IV
I, III, and III
60s - Q11
How does smoking affect your lungs?
smoking kills the brain cells only.
smoking can cause increase the number spaces and blood vessels in the lungs
smoking increases the number of tiny hairs or cilia.
smoking inflames and irritates the lungs.
60s - Q12
Why do we need to check a person’s vital signs?
to determine the presence of chronic diseases.
to check if a person is healthy.
to check the amount of nicotine present in the blood
to check if the white blood cell increases in the blood.
60s - Q13
Bases in a DNA are complementary. Which is true of its complementary base if there are 35 Thymine in the DNA strand?
there will be 35 Adenine bases
only 25 Adenine, since a DNA is helical
cannot be determined
there will be 35 Guanine bases
60s - Q14
Which of the following BEST describes a gene?
It is smaller than DNA.
It is a segment of DNA.
It is DNA.
It is a tightly coiled DNA
60s - Q15
Which of the following is TRUE about a chromosome?
it is a protein packed DNA
it is a double helical molecule
it is a segment of DNA
it is smaller than a gene
60s