a&p review wrong answers

Created by cchorsegirl 

Upgrade to
remove ads

29 terms

The pharynogotympanic tubes, which drain the middle ear, open into the _

nasopharynx

Cilia of the trachea that beat continually propel contaminated mucus _

toward the throat to be swallowed or spat out

NOT true of inspiration _

relaxation of the external intercostal muscles helps increase the size of the thoracic cavity

Most carbon dioxide is transported within blood plasma as _

bicarbonate ion

The most important chemical stimuli leading to increased rate and depth of breathing is _

increased carbon dioxide in the blood

The three mucosa covered projections into the nasal cavity that greatly increase surface area of mucosa exposed to air are called _

conchae

The process of moving air into and out of the lungs is commonly called breathing or _

ventilation

Gas exchange between the blood and tissue cells is called _

internal respiration

During internal respiration, the blood gas _ diffuses into the bloodstream.

CO2

Which one of the following is the correct sequence of events that follows a threshold potential: a. potassium channels open and potassium ions diffuse outward while sodium is actively transported out of the cell
b. sodium channels open and sodium ions diffuse inward
c. the membrane becomes repolarized.
d. the membrane becomes depolarized

1. sodium channels open and sodium ions diffuse inward
2. the membrane becomes depolarized
3. potassium channels open and potassium ions diffuse outward while sodium is actively transported out of the cell
4. the membrane becomes repolarized.

Loss of muscle coordination results from damage to the:

cerebellum

Collections of nerve cell bodies inside the CNS are called _

Ganglia

The hypothalamus regulates the _ gland.

pituitary

Cerebrospinal fluid is formed from blood by the _

choroid plexus

The process of swallowing is also known as _

deglutition

The innermost layer of the alimentary canal is referred to as the _

mucosa

Large wrinkle like folds in the stomach lining, present when the stomach is empty, that allow for expansion when the stomach is filling are called _

ruggae

The voluntary process of placing food into the moth is referred to as _

ingestion

Amino acids that cannot be made by human body cells and therefore must be ingested in the diet are said to be _

essential amino acids

The bad lipoprotein that transports cholesterol and other lipids to body cells is called _

LDLs

_ are finger like projections of the mucosa of the small intestines

Villi

Good cholesterol transporting molecules that bring cholesterol to the liver for breakdown _

HDLs

What do pulmonary veins do?

transport oxygenated blood to the heart

the outermost to the innermost layer of a blood vessel wall is layered _ _ _

1. tunica externa
2. tunica media
3. tunica intima.

Varicose veins are caused by

incompetent venous valves

The organ largely responsible for the synthesis of clotting factors is the _

Liver

The sinoatrial node is often called the _

pacemaker

During diastole, the pressure in the heart is _

low

The last part of the intrinsic conduction system of the heart that directly supplies the walls of the ventricles is the _

purkinje fibers

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

NEW! Voice Recording

Click the mic to start.

Create Set