Osteoarthritis is
A. a bacterial infection transmitted by ticks.
B. a condition that may involve an autoimmune disease.
C. an inflammation of any joint.
D. the most common type of arthritis.
E. a metabolic disorder caused by increased uric acid in blood.
Answer: D
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Which two mature blood cell types descend from myeloblasts?
A) Erythrocytes and platelets B) Monocytes and lymphocytes C) T cells and B cells D) Neutrophils and basophils
Which hormone stimulates ovulation and the secretion of progesterone by ovarian cells?
A) luteinizing hormone (LH) B) thyroid-stimulating hormone (TSH) C) follicle -stimulating hormone (FSH) D) oxytocin (OT) E) antidiuretic hormone (ADH)
While examining a sample of muscle tissue under a microscope, you notice that the cells have a single nucleus. The fibers are striated and heavily branched. Which muscle type does this sample contain?
A. Smooth muscle B. Cardiac muscle C. Striated muscle D. Skeletal muscle
Which of the following statements about spermatogenesis is not true?
A) Each spermatid forms two sperm. B) The secondary spermatocytes each form two spermatids. C) The spermatogonium forms the primary spermatocyte. D) The primary spermatocyte forms two secondary spermatocytes.