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Straighterline BIO
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Exam study book Introduction to Biology of Sylvia S. Mader, Jay Templin - ISBN: 9780697168795 (Straighterline BIO)
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PHSC 211 Chapter 16 Quiz (Fall 2020)– Liberty University (A grade) | Elements of Earth Science
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Straighterline BIO 202 A&P2 - exam 3High carbon dioxide levels and low pH in blood of the carotid arteries will stimulate -
ANSWER: chemoreceptors to activate the vasomotor center.
Atherosclerosis involves a - ANSWER: sustained increase in resistance that leads to
increases in arterial pressure to maintain adequate blood flow.
Filtration and reabsorption are processes that involve water (a solvent) but not
solutes - ANSWER: False
Which statement accurately describes total blood flow? - ANSWER: Total blood flow
equals cardiac output and can vary significantly over time with activity levels.
Gas, nutrient, and waste exchange occur between the __________ and the tissues of
the body - ANSWER: capillaries
A vasodilator causes a decrease in local blood flow at a capillary bed. - ANSWER:
false
The force per unit area that blood places on the inside wall of a blood vessel -
ANSWER: is called Blood pressure
The cardiac center of the brainstem includes the - ANSWER: cardioacceleratory
center, from which sympathetic pathways extend.
Aldosterone and atrial natriuretic peptide have ________ effects on blood pressure.
- ANSWER: opposite
As a venous pathway moves closer to the heart, the veins - ANSWER: get larger
Hemorrhage with a large loss of blood causes ______ - ANSWER: a lowering of blood
pressure due to change in cardiac output
Blood within the pulmonary veins returns to the ____ - ANSWER: left atrium
Which vessel(s) of the heart receive(s) blood during right ventricular systole? -
ANSWER: pulmonary trunk
Why do asthmatics often carry epinephrine pens with them? - ANSWER: epinephrine
stimulates dilation of bronchioles
The respiratory center is most likely to cause an increase in the breathing rate if the -
ANSWER: pH of body fluids is decreasing.
The force responsible for normal expiration is supplied by the - ANSWER: elastic
recoil of tissues and surface tension.
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