What makes hemoglobin a buffer?
A. Hemoglobin transports carbon dioxide from the tissues to the lungs.
B. Hemoglobin binds H+ ions.
C. Hemoglobin transports oxygen from the lungs to the tissues.
D. All of these answers are correct.
Answer: B
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A chemical that can conduct electrical current when dissolved in water is called a(n)
a) isotope. b) isomer. c) compound. d) electrolyte e) valence molecule.
The primary source of energy for most cells is ________.
A. fructose B. glucose C. maltose D. lactose E. sucrose
An emergent hernia repair is scheduled. As the attending physician is driving to the hospital, the medical student assisting on the case quickly reviews his anatomy atlas and is trying to commit to memory that the internal oblique abdominis muscle contributes to the formation of which of the follow- ing structures?
(A) Inguinal ligament (B) Deep inguinal ring (C) Falx inguinalis (conjoint tendon) (D) Internal spermatic fascia (E) Reflected inguinal ligament
The combination of hemoglobin and carbon dioxide is
A. carboxyhemoglobin. B. oxyhemoglobin. C. deoxyhemoglobin. D. carbaminohemoglobin.