Process by which the products of digestion pass through the lumen of the gastrointestinal tract into the blood or lymph
A) Peristalsis
B) Absorption
C) Digestion
D) Hydrolysis
Answer: B) Absorption
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Which cell type is targeted by the human immunodeficiency virus (HIV)?
A. Memory B-lymphocyte B. Natural killer cell C. Helper T-lymphocyte D. Cytotoxic T-lymphocyte E. Plasma cell
Which gland sits atop each kidney?
A) adrenal B) thymus C) pituitary D) pancreas
A patient visits her doctor for a routine checkup. The doctor observes lymphadenopathy, or swollen lymph nodes in the side of the patient's neck. The patient says, "Those have been swollen for a few months, but I have felt fine that whole time." Indeed there are no other symptoms. What is a likely cause of this problem?
A) The patient is developing a bacterial infection. B) The patient needs a tonsillectomy. C) The patient is HIV positive. D) The patient is recovering from the flu.
When a fracture begins to heal, one type of bone cell moves into the fracture site and tears down the damaged bone tissue. Which of the following does this?
A. osteoblasts B. osteocytes C. osteoclasts D. osteons E. matrix cells