Biology 302 Final

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Photo depicts Earth from space.
This NASA image is a composite of several satellite-based views of Earth. To make the whole-Earth image, NASA scientists combine observations of different parts of the planet. (credit: NASA/GSFC/NOAA/USGS)

Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.

Quiz PDF eBook: 
Biology 302 Final
Download Biology 302 Final Quiz PDF eBook
48 Pages
2013
English US
Educational Materials



Sample Questions from the Biology 302 Final Quiz

Question: How many tunics does a vein have?

Choices:

two

four

six

eight

as many as an artery

Question: Which of the following would cause blood pressure to drop?

Choices:

increase blood viscosity

increase peripheral resistance

increase blood volume

increase cardiac output

none of the above

Question: At any given moment, where is most of the blood located in the circulatory system?

Choices:

in the heart

in the veins

in the capillaries

in the arteries

in arterioles and venules

Question: What is the formula for pulse pressure?

Choices:

Systolic Pressure + Diastolic Pressure

Systolic Pressure x Diastolic Pressure

Systolic Pressure - Diastolic Pressure

systolic pressure / diastolic pressure

Diastolic pressure x (systolic pressure - diastolic pressure)

Question: Which of the following is NOT true?

Choices:

In the absence of neural input, the heart beats automatically at a rate set by its "Pace Maker"

The heart receives both sympathetic and parasympathetic innervation

Norepinephrine increases heart rate

Acetylcholine will slow heart rate

None of the above (all statements are true)

Question: When the cuff pressure of the sphygmomanometer equals the diastolic pressure, what will be heard through the stethoscope?

Choices:

Nothin

Decreased Heart Rate (Bradycardia)

The Sounds of Korotkoff

Cardiac Echo

Cardiac Tamponade

Question: Which of the following refers to the outer layer of a blood vessel (such as a vein)?

Choices:

tunica superficialis

tunica parsalis

tunica adventitia

tunica decidua

vasa recta

Question: End Diastolic Volume (EDV) and contractility both affect:

Choices:

Stroke volume

cardiac rate

preload

all of the above

none of the above

Question: Cardiac Output is equal to cariac rate multiplied by

Choices:

end diastolic volume

total peripheral resistance

stroke volume

systolic pressure

preload

Question: When the left ventricle is over-stretched with blood, it responds by contracting with greater force (the Frank-Starling Law). Which of the following is responsible for this phenomenon?

Choices:

Chemoreceptors in the pulmonary trunk

Baroreceptors in the aorta and carotids

stretch receptors in the left ventricle

sympathetic nerves connecting to the heart

None of the above

Question: Which of the following in NOT true?

Choices:

the systolic pressure occurs when the left ventricle is fully contracted

blood pressure is recorded in mm Hg

the minimal blood pressure is the diastolic pressure

blood pressure is taken by auscultating the brachial artery

none of the above (all statements are true)

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