Hemoglobin is found only in leukocytes
a. True
b. False
Indicate whether the statement is true or false
False
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Cerebrospinal fluid
a. is formed by the choroid plexuses b. is formed by the arachnoid villi c. separates the blood and brain to form the blood-brain barrier d. is formed only in the ventricles of the cerebrum e. enters the blood at the choroid plexuses
In general, polar molecules diffuse more rapidly across cell membranes than do nonpolar molecules
Indicate whether the statement is true or false.
Following hemorrhage, reflexes are triggered that attempt to compensate for the blood loss. As a result of the blood loss and the reflex mechanisms, which of the following will be TRUE, compared to pre-hemorrhage values?
A. Both cardiac output and total peripheral resistance will be increased. B. Both cardiac output and total peripheral resistance will be decreased. C. Cardiac output will be increased and total peripheral resistance will be decreased. D. Cardiac output will be decreased and total peripheral resistance will be increased. E. Hematocrit will be increased.
What is serum?
A. Another name for plasma B. Plasma with globulins removed C. Plasma with clotting factors removed D. None of these answers are correct