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Antibodies against both type A and type B antigens are ound in the blood plasma of a person who is

type O

If a person had B- blood, the minus sign means there are ....

no Rh antigens on the red blood cells

Megakaryocytes give rise to....


Stem cells are responsible for ....

production of all formed elements

Which of the following are NOT true of white blood cells?

carry oxygen and carbon dioxide.

When the oxygen capacity of the blood is reduced...

Both B and C

The process of breathing out is called....


Gas exchange occurs by....

simple diffusion.

Cilia of the trachea propel contaminated mucus toward the

a throat to be swallowed or spat out.

If the air enters the intrapleural space....

a lobe of the lung can collapse

The respiratory condtucting passageways do all of the following except...

exchanges gases

Which gas/es diffuse/s from the tissues to the blood?

carbon dioxide

Expired air will contain ____ than inspired air.

less oxygen but more carbon dioxide.

The diaphragm is

all of the above

The Adam's apple is actually part of the...


swallowed food or fluid is prevented from entering the trachea by the...


Which is the correct sequence of air movement during inspiration?

pharynx, larynx, trachea, bronchi, bronchioles

Why is oxygen needed by the body?

to produce ATP

The structure/s that recieve /s air after the trachea is/are the...


Which structure carries both air and food?


Most carbon dioxide in the blood is in the form of...


Oxygen must diffuse across ______ to enter the blood.

both b and c

The chemical reaction that converts carbon dioxide to a bicarbonate ion takes place in the _

red blood cells

Gas exchange in the lungs occurs in the ____.


Cigarette smoke....

contains sulfer dioxide, which temporaily paralyzes the cilia in the lungs

During inspiration, the rib cage

lifts up and out

The process of elmination of soluble wastes is called.


The urinary system helps regulate

all of the above

The ureter connects the urinary bladder to the


The function of the loop of the nephron in the process of urine formation is____

reabsorption of water.

Which of these functions of the kidneys are mismatched?

maintains the acid-base balance- rids the body of uric acid

Which part of the nephron is out of oder first?

distal convoluted tubule

The body gains water by_______.

all of the above.

The body loses water by way of the

urinary system

Water and small solutes enter nephrons during


Kidneys return water and small solutes to blood by _____.


A few substances move out of the peritubular capillaries and are moved into the nephron during ____.


______ directly promotes water conservation.


Which of the following materials would not normally be filtered from the blood at the glomerulus?


By what process are most molecules secreted from the blood into the tubule?

active transport.

Which of the following substances would not be maximally reabsorbed from the filtrate?


The urinary bladder is drained by the _____.


____ is a product of the breakdown of amino acids in the liver.


The tuft of capillaries that make up part of the nephron is the _____.


___ is/are diuretic/s.

All of the above

____ is a product of the breakdown of nucleic acids in the liver.

Uric acid.

Three layers of connective tissue surround the brain, they're known as the


An electrical tracing of the change in the membrane potential of a nerve cell is called...

action potential

The hypothalamus does not..

control skeletal muscles

The part of the cerebral cortex that receives sensory information is known as the ____ cortex.

primary sensory

The ____ ensures muscle synergy- the coordination of muscular activity.


Neurons are highly susceptible to the loss of ____, without which brain cells quicky die.


Transmission of the nerve impluse across a synapse is accomplised by the _____

release of a neurotransmitter by an axon.

A spinal nerve takes nerve signals.

both to and away from the CNS.

Which of these would be covered by a myelin sheath?

long axons

The neuron's resting potential is

-70 millivolts

The autonomic nervous sytem has two diffusions, called the

sympathetic and parasumpathetic

The peripheral nervous system (PNS) has 2 main divisions, the _ ____

sensory and motor

The stimulation of the sympathetic division of the autonomic system causes everything below except:

the gastrointestinal tract to digest food.

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