The human immunodeficiency virus (HIV) targets mainly ________.
A. cytotoxic T cells
B. natural killer cells
C. plasma cells
D. helper T cells
E. B cells
Answer: D
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Interferons ________
A) are routinely used in nasal sprays for the common cold B) are virus-specific, so that an interferon produced against one virus could not protect cells against another virus C) act by increasing the rate of cell division D) interfere with viral replication within cells
What is the correct answer choice that best describes adipose tissue?
A) composed mostly of extracellular matrix B) most of the cell volume is taken up by the nucleus C) commonly called fat tissue. D) adult adipose tissue appears brown due to high vascularization
What type of cell junction would most likely prevent water from flowing between our cells?
A) tight junctions B) glycoproteins C) desmosomes D) gap junctions
An example of a synchondrosis is the articulation of the
A) ribs with the sternum. B) radius and the ulna. C) femur with the acetabulum. D) atlas and the axis. E) navicular bone with the cuniform bones.