Name the two pigments contained in the epidermis
A) carotene and melatonin
B) creatinine and melatonin
C) carotene and melanin
D) keratin and melanin
E) carnitine and melanoma
Answer: C
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What is the function of the chordae tendineae?
a. to anchor the bicuspid valve flaps and prevent backflow of blood into ventricles b. to anchor the aortic valve flaps and prevent back flow into the ventricles c. to anchor the semilunar valve flaps and prevent backward flow of blood into the ventricles d. to anchor the AV valve flaps and prevent back flow of blood into the atria
Hypertension increases afterload, making it more difficult for the ventricles to eject blood.
Answer the following statement true (T) or false (F)
________ is not a cardinal sign characteristic of inflammation.
A. Impaired use B. Swelling C. Pain D. Heat E. Redness
A skydiver's parachute fails to deploy. After some struggle, his reserve chute deploys in time to save his life. However, his landing is harder than normal and he feels his knee slightly hyperextend. He shakes it off and goes about his normal routine. Later that day he begins experiencing knee pain. Two days later he notices that his knee "pops" when he crouches and soon discovers he has dislocated his femur on the knee. What muscle was likely injured initially?
A. Soleus B. Sartorius C. Quadriceps femoris D. Tensor fasciae latae E. Popliteus