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.
D
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Some proteins, like hemoglobin or antibody molecules, require multiple polypeptide chains to come together to act as a single protein. If the association among the different polypeptide chains is blocked, the ________ structure of the protein is destroyed.
A) primary B) secondary C) tertiary D) quaternary E) binary
Flexion of the spinal column is accomplished by the ________ group of muscles in the abdominal wall.
Fill in the blank(s) with the appropriate word(s).
Which of the following secrete amylase?
A. Stomach and duodenum B. Pancreas and liver C. Stomach and liver D. Pancreas and salivary glands E. Pancreas and duodenum
If oxygen is present, how many molecules (net) of ATP are produced by the oxidation of one molecule of glucose?
A. 4 B. 18 C. 32 D. 36 E. 40