What is leukemia?
A low white blood cell count
A low platelet count
A high red blood cell count
Cancer of blood cell producing tissue
In the body, ____ blood arteries serve as the conduits for the exchange of oxygen and carbon dioxide
capillaries
venules
arteries
arterioles
What distinguishes a hypothesis from a theory?
A theory is not falsifiable; a hypothesis is falsifiable.
A theory and a hypothesis are different terms for the same thing.
A theory is a comprehensive explanation of a phenomenon; a hypothesis is a generalized statement that can be used to generate testable predictions
A theory is a fact; a hypothesis is a comprehensive explanation.
____ is the name given to the accumulation of plaque in artery walls
arteriosus
arterioclogus
atherosclerosis
arterionecrosis
A hypothesis must be ____ to be considered scientifically valid
phrased as a question
testable and falsifiable
based on faith
true
Describe phlebitis
Inflammation of the arteries
Inflammation of the veins
Inflammation of the capillaries
Ballooning of a region of an artery
Methanogens are certain archaeans. Swamps, cows’ guts, and even human colons are home to certain methanogens. What gas does methanogen metabolism result in the emission of?
Carbon monoxide
Carbon dioxide
Ozone
Methane
Which of the following environments is the one where severe halophiles are most likely to be found?
Great Salt Lake
Atlantic Ocean
Lake Placid
Pacific Ocean
How does caffeine affect your level of energy?
Caffeine stimulates the nervous system.
Caffeine provides both calories and stimulates the nervous system
Caffeine inhibits nerve impulses
Caffeine speeds up blood circulation.
Chestnut blight, a form of ____ infection, nearly led to the demise of the American chestnut.
archaean
bacterial
viral
fungal
When you have a cold, why does food taste bland?
Much of what we perceive as taste is actually smell.
The lack of desire to eat when ill causes food to taste bad
A cold increases the rate at which taste buds die and replacement taste buds are formed at a slower-than-usual rate
A cold causes taste receptors to malfunction
The ____ is the biggest component of the brain
medulla oblongata
cerebrum
cerebellum
hypothalamus
Compared to other cell types, archaeans resemble ____ cells more
fungal
animal
bacterial
plant
Nonvascular plants have a flagellum in their sperm. As a result, their sperm reach the egg by _____
being blown there in the air
being pollinated by bees
swimming in water
crawling along the ground
Starfish move using their:
tentacles
noses
tube feet
fins
LSD originated from:
bacterium
plant
animal
fungus
From where did sponges originally come?
Lobsters
Sponges
Fish droppings
Jellyfish
____ is used to evaluate the heart’s electrical activity
EKG
EKG
ASD
ABC
There are auditory receptors in the _____
ear
nose
eye
mouth
Which of the above phrases describes the blood pressure reading taken while the heart is beating?
Hyperstolic
Diastolic
Systolic
Hyperbolic
Fail! Do you even know science?
Great Job. This just proves that science is in you.
Well done! You passed our most difficult quiz, yet.
[giveaway id=12098]