What is the perichondrium?
A. The growing zone between an epiphysis and diaphysis
B. The connective tissue covering cartilage
C. A bone marking indicating a muscle attachment point
D. The connective tissue covering long bones
Ans: B. The connective tissue covering cartilage
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Melanoma is a form of skin cancer that arises from melanocytes. Melanoma is most common in Caucasians between 40 and 70 years of age. Explain why Caucasians would have a greater incidence of melanoma
What will be an ideal response
Answer the following statements true (T) or false (F)
1. Neurons in the CNS are organized into functional groups. 2. Strong stimuli cause the amplitude of action potentials generated to increase. 3. The oligodendrocytes can myelinate several axons. 4. Enkephalins and endorphins are peptides that act like morphine. 5. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier.
In a graded potential, the direction of current flow is designated by the movement of positive charges
Indicate whether the statement is true or false
Which of the following hormons is NOT correctly paired with its function?
a. GIP and stimulation of insulin release b. CCK and stimulating release of pancreatic enzymes c. secretin and stimulation of NaHCO3- d. gastrin and stimulation of ileal motility e. ghrelin and stimulation of the release of growth hormone from the posterior pituitary