MSN 570 Patho Midterm Exam Review
Exam Questions With Verified Answers
Respiratory zone - answerrespiratory bronchioles, alveolar ducts, alveoli
What does the Respiratory Zone do? - answerAllow inhaled oxygen to diffuse into the lung
capillaries in exchange for CO2
Conducting Zone - answernose...
Respiratory zone - answer✔respiratory bronchioles, alveolar ducts, alveoli
What does the Respiratory Zone do? - answer✔Allow inhaled oxygen to diffuse into the lung
capillaries in exchange for CO2
Conducting Zone - answer✔nose, pharynx, larynx, trachea, bronchi, bronchioles
What does conducting zone do? - answer✔conducts air to respiratory zone, humidifies, warms,
and filters air
Most common cancer mutation? - answer✔Acquired
What does anticholinergic mean? - answer✔blockade of muscarinic receptors - This inhibits
nerve impulses responsible for involuntary muscle movements and various bodily functions
What does dopamine do? - answer✔influences movement, learning, attention, and emotion.
Dopamine enables neurons in your brain to communicate and control movement.
What does messenger RNA do? - answer✔Transcribes information from the DNA in the nucleus
and carries it to the cytoplasm, and then to the ribosome. Single-stranded, intermediate molecule.
Carries the instructions for making proteins.
What do ribosomes do? - answer✔Make proteins (protein synthesis)
Neurotransmitters - answer✔chemical messengers that cross the synaptic gaps between neurons
Neurotransmitters at the parasympathetic postganglionic synapses - answer✔Acetylcholine and
nitric oxide
Atropine Neurotransmitters - answer✔Atropine is a muscarinic receptor antagonist that is used to
inhibit the effects of excessive vagal activation on the heart, which is manifested as sinus
bradycardia and AV nodal block. Therefore, atropine can temporarily revert sinus bradycardia to
normal sinus rhythm and reverse AV nodal blocks by removing vagal influences.
alpha adreneric receptors - answer✔
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