Hemoglobin has the greatest affinity for
a. carbon dioxide.
b. oxygen.
c. carbon monoxide.
d. nitrogen.
e. sulfur dioxide.
C
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Which statement correctly describes the term left atrioventricular valve?
A) Its cusps open into the left atrium. B) Its cusps open into the superior vena cava. C) Its cusps open into the aorta. D) Its cusps open into the left ventricle. E) Its cusps open into the pulmonary trunk.
Describe changes that occur in older bone tissue. Select all that apply.
a. More lamellar osteons are formed. b. More elastic fibers are deposited. c. Bone becomes more brittle. d. Bone contains less collagen.
When the popliteal vein reaches the femur, it becomes the ________ vein
A) femoral B) deep femoral C) internal iliac D) external iliac E) lumbar
Tsh
a. is stimulated by thyrotropin-releasing hormone (TRH). b. is inhibited by T3 and T4. c. increases the rate of thyroid hormone secretion. d. promotes hypertrophy and hyperplasia of thyroid cells. e. all of these answers.