What is the most common form of skin cancer?
A. Basal cell carcinoma
B. Squamous cell carcinoma
C. Melanoma
D. Erythema
E. Multiple myeloma
A. Basal cell carcinoma
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The styloid process of the ________ points to the thumb
Fill in the blanks with correct word
Answer the following statements true (T) or false (F)
1. Red bone marrow is chiefly found in the vertebrae and clavicle. 2. Red bone marrow is chiefly found in the sternum, hip-bone, and ribs. 3. Lymphatic tissue forms monocytes. 4. Lymphatic tissue is located in the spleen, thymus, and lymph nodes. 5. Red blood cells circulate for up to 4 months.
The tissue that forms the outermost layer of the skin is a type of connective tissue.
Answer the following statement true (T) or false (F)
Which of the following statements is most correct regarding the intracellular chemical signals known as "second messengers"?
A) Second messengers usually inactivate protein kinase enzymes. B) Second messengers usually act to remove nitric oxide (NO) from the cell. C) Cyclic AMP and calcium may be second messengers. D) Second messengers act through receptors called K-proteins.