The normal function of tumor suppressor genes is to:
A) regulate and inhibit inappropriate cellular growth and proliferation
B) cause gene mutation
C) shed neoplastic cells
D) split cells into new cells
A) regulate and inhibit inappropriate cellular growth and proliferation
Tumor suppressor genes are another category of genes involved in carcinogenesis. The normal function of these genes is to regulate and inhibit inappropriate cellular growth and proliferation.
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Upon assessing a patient with a hip injury, you find that his right lower extremity is moved away from the midline of the body. You should describe the right lower extremity as being:
A) abducted. B) externally rotated. C) angulated. D) adducted.
What is the anticoagulant in the most commonly utilized tube in hematology, and how does it prevent coagulation from taking place?
a. Sodium citrate; chelates calcium b. EDTA; chelates calcium c. Heparin; neutralizes thrombin d. Sodium citrate; decreases thrombin activity
Which of the following chemical substances in the blood normally cannot pass during glomerular filtration?
A) simple sugars B) electrolytes C) proteins D) uric acids
Which of the following statements is true regarding articular cartilage injury?
a. A deep cartilage lesion does not extend beyond the tidemark. b. A deep laceration may heal by forming new fibrocartilage. c. A superficial lesion is likely to heal faster than a deep one. d. A cartilage injury cannot heal.