WorksheetsG9 Circulatory, Respiratory,Genetics
Total questions: 8
Worksheet time: 4mins
Arteries have thick walls and a narrow lumen because:
The narrow lumen increases the blood pressure which makes the delivery of oxygenated blood to body cells faster.
The narrow lumen will decrease blood pressure which makes the delivery of unoxygenated blood to the lungs slower.
Which symptom/s would make you call the emergency hotline?
Drooping of a person’s face
Speech becoming slurred
An arm becomes paralysed
All of the choices
A person has a stroke volume of 60 mL and a heart rate of 60 beats per minute. What is the person’s cardiac output?
3600 mL per minute
600 mL per minute
6000 mL per minute
4200 mL per minute
Which scenario demands immediate medical attention?
A person coughed a lot after inhaling car smoke
A person who travelled abroad has a body temperature of 38 degrees Celsius
A person lost his sense of smell and taste for 2 days
A person who ate shrimps experienced anaphylactic shock
The human body has 8 known sinuses. When a person has sinusitis, their head feels heavy. What is the most likely function of the sinuses?
Filter air that was inhaled
Humidify inhaled air
Propel mucus upwards
Reduce the weight of the skull
A person has a chronic cough for more than 2 weeks already. The patient noticed that the color of the his phlegm was yellowish. Which disease does the patient most likely have?
Bronchiectasis (lung damage)
Inhalation of pollutants like coal
Pneumonia
Asthma
Having dimples (D) is considered to be a dominant trait in humans while having no dimples (d) is a recessive trait. Both husband and wife have no dimples. What is the percentage of them having an offspring with dimples?
0%
25%
50%
75%
Cleft chin (C) is a dominant trait among humans while having a smooth chin (c) is a recessive trait. A homozygous dominant male marries a heterozygous dominant female. What is the phenotypic ratio of them having cleft chin to non cleft chin offspring?
0:4
2:2
1:3
4:0
