WorksheetsPBS
Total questions: 15
Worksheet time: 15mins
Which component of blood is responsible for helping to stop bleeding?
platelets
red blood cells
white blood cells
plasma
The fluid portion of blood that carries blood cells, glucose, proteins, fats, and wastes throughout the body.
red blood cells
white blood cells
plasma
platelets
Which of the following is not a major component of blood in humans?
Epithelial cells
Red blood cells
White blood cells
Plasma
Platelets
The amount of breaths someone takes per min
Heart Rate
Skin Conductivity
Respiration Rate
Blood Pressure
The amount of times the heart beats per min
Heart Rate
Skin Conductivity
Blood Pressure
Respiration Rate
What does a polygraph measure?
Detects eye movement
Detects lies from physiological responses
Detects the severity of an emotion
Detects differences in brain activity
Match the fingerprint.
Whorl
Loop
Arch
Helix
Match the fingerprint
Loop
Whorl
Helix
Arch
Other than ridge patterns scientists also have to use another pattern to identify and match fingerprints. What are these patterns called?
Medulla
Keratin
Whorls
Minutiae
Red blood cells are
thrombocytes
neutrophils
monocytes
erthryocytes
Name the primary finger print pattern
Loop
Whorl
Arch
Accidental
What does PBS stand for in a scientific context?
Phosphate Buffered Saline
Polymerase Binding Solution
Protein Binding Substance
Proton Beam Source
In laboratory experiments, what is the primary use of PBS?
To stain cells
To fix tissues
To maintain pH balance
To increase cell growth
Which of the following is a characteristic of PBS?
It is acidic
It is isotonic
It is hypertonic
It is a strong oxidizing agent
Why is PBS often used in cell culture experiments?
It provides nutrients to cells
It acts as a detergent
It helps in maintaining osmotic balance
It enhances cell division
