A genetic disease characterized by the inability to produce melanin is
A. cyanosis.
B. melanosomes.
C. albinism.
D. carotene.
E. dermatitis.
C
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The dartos and cremaster muscles are important to the integrity of the male reproductive system. Which of the following is true about the role they play?
A) They contract to push sperm along the ductus deferens. B) They regulate the temperature of the testes. C) They are responsible for penile erection. D) They contract to allow ejaculation.
Central venous pressure is the pressure in the inferior vena cava at the central point of the abdomen.
Answer the following statement true (T) or false (F)
Bone growth in length occurs by mitosis of
A) concentric lamellae. B) cartilage cells in the epiphyseal side of the metaphysis. C) growth of trabeculae. D) osteoblasts in the endosteum. E) cartilage cells in the diaphyseal side of the metaphysis.
The region of the brain responsible for predicting the consequence of events or actions is the
A) prefrontal cerebral cortex. B) occipital association cortex. C) reticular formation. D) temporal lobe. E) premotor cortex.