Which of the following hemoglobin variants cannot combine reversibly with oxygen?
I. reduced hemoglobin
II. oxyhemoglobin
III. methemoglobin
IV. carboxyhemoglobin
A) I and II
B) I and III
C) II and III
D) III and IV
D
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Establishing healthy therapeutic boundaries is essential in massage therapy
a) Because therapeutic relationships often result in friendships. b) To ensure that the therapist shares the client's feelings. c) To protect the client from unwanted conversation. d) So that the client understands the role of the massage therapist .
Aspirin affects platelet aggregation because it interferes with:
a. Cyclooxygenase activity b. Platelet adhesion to collagen c. Development of platelets d. Binding of fibrinogen to platelets
Which of the following statements is true regarding production of alpha fetoprotein (AFP)?
A) No AFP is produced in the fetal yolk sac but later large quantities by the fetal liver as the yolk sac degenerates. B) Small amounts of AFP are first produced in the fetal yolk sac and then in large quantities by the fetal liver as the yolk sac degenerates. C) Small amounts of AFP are first produced in the fetal liver and then in large quantities by the fetal spleen as the yolk sac degenerate. D) Large amounts of AFP are first produced in the fetal yolk sac and then in smaller quantities by the fetal liver as the yolk sac degenerates.
The total amount of air that can be forcefully exhaled after the deepest inhalation possible is the ____.
A. expiratory reserve volume B. residual volume C. vital capacity D. total lung capacity E. tidal volume