65) Which is not true about erythrocytes? Group of answer choices Has a biconcave shape Transports CO2 Contains a nucleus Contains hemoglobin

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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65) Which is not true about erythrocytes?
Group of answer choices
Has a biconcave shape
Transports CO2
Contains a nucleus
Contains hemoglobin
66) Carbon dioxide dissolves more readily in blood plasma than oxygen does.
Group of answer choices
True
False
67) An increase in CO2 will decrease the pH, and thus increase sympathetic activity on the heart.
Group of answer choices
False
True
68) The majority of carbon dioxide in the blood is transported as ___________.
Group of answer choices
Bicarbonate ions (plus H+ bound to hemoglobin)
CO2 molecules bound to hemoglobin
Dissolved CO2 in the plasma
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