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Bio202L Exam 2 review | Questions And Answers Latest {} A+ Graded | 100% Verified
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Bio202L Exam 2 review | Questions And Answers Latest {} A+ Graded | 100% Verified
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Bio202L Exam 2 review | Questions And Answers Latest {2024- 2025} A+Graded | 100% Verified
arteries - carry oxygenated blood away from the heart
3 layers of blood vessels - tunica intima- endothelial layer
tunica media- smooth muscle
tunica externa- collagen and elastic fibers
which is more elastic? arteries or veins - arteries to absorb pressure that comes with each heartbeat
where can you find pulse - radial, carotid, brachial, popliteal, posterior tibial
normal pulse - 60-100
hypertension - abnormally high blood pressure; systolic has to be greater by 20 and diastolic has to be
greater by 10
hypotension - abnormally low blood pressure; systolic is below 100
respiratory system functions - gas exchange
pH regulation
voice production
olfaction
protect against pathogens
BP regulation
where does all gas exchange happen in the respiratory system - alveoli
when you speak, what are your vocal folds doing? - adducting
, right lung has ___ lobes - three
Left lung has ___ lobes - two
bronchodilation - caused by sympathetic ANS activation, reduces resistance; increase in diameter
bronchoconstriction - Caused by parasympathetic ANS activation &
histamine release (allergic reactions)
during inhalation, you're primarily contracting your ________ and _______ - external intercostals;
diaphragm
during exhalation, you're primarily contracting your _______ and _________ - internal intercostals;
abdominal rectus muscles
accessory muscles - sternocleidomastoid, serratus anterior, pectoralis minor, scalene muscles
the primary function of the lymphatic system is - defending the body against both external and internal
threats.
The lymphatic system does all of the following except
A) helps maintain normal blood volume.
B) transports gases to and away from lymph nodes.
C) eliminates variations in the composition of interstitial fluid.
D) transports lipids from the digestive tract.
E) fights infection. - transports gases to and away from lymph nodes
The lymphatic system is composed of all of the following except
A) lymphatic vessels.
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