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59 terms

Quiz 3: Multiple choice biology

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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....
platelets
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....
expiration
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...
larynx
swallowed food or fluid is prevented from entering the trachea by the...
epiglottis
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...
bronchi
Which structure carries both air and food?
pharynx
Most carbon dioxide in the blood is in the form of...
bicarbonate
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 ____.
alveoli
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.
excretion
The urinary system helps regulate
all of the above
The ureter connects the urinary bladder to the
kidney
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
filtration
Kidneys return water and small solutes to blood by _____.
reabsorption
A few substances move out of the peritubular capillaries and are moved into the nephron during ____.
secretion
______ directly promotes water conservation.
ATP
Which of the following materials would not normally be filtered from the blood at the glomerulus?
protein
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?
urea
The urinary bladder is drained by the _____.
urethra
____ is a product of the breakdown of amino acids in the liver.
Ammonia
The tuft of capillaries that make up part of the nephron is the _____.
glomerulus
___ 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
meninges
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.
cerebellum.
Neurons are highly susceptible to the loss of ____, without which brain cells quicky die.
oxygen
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.