Answer the following statements true (T) or false (F)
1. The pituitary gland is housed in a saddlelike depression in the temporal bone called the sella turcica.
2. The ischium articulates with both the ilium and the pubis.
3. Hematopoiesis refers to the formation of blood cells within the red marrow cavities of certain bones.
4. Compact bone is replaced more often than spongy bone.
5. Bones are classified by whether they are weight bearing or protective in function.
1. FALSE
2. TRUE
3. TRUE
4. FALSE
5. FALSE
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Leptin is a hormone produced by the
a) placenta. b) ovaries. c) testes. d) pituitary gland. e) adipose tissue.
To be reabsorbed by the tubules, how many distinct barriers must a substance cross?
a. two b. three c. four d. five e. six
Answer the following questions true (T) or false (F)
1. The myogenic mechanism counters changes in blood flow through capillary beds by altering arterial resistance. 2. Filtration occurs in capillaries when colloid osmotic pressure is greater than capillary hydrostatic pressure. 3. The vertebral and external jugular veins drain into the subclavian vein.
The movement of rotating a limb toward the anterior surface of the body is called
A) inversion. B) medial (internal) rotation. C) lateral (external) rotation. D) eversion. E) protraction.