Which type of cell produces and secretes antibodies?
A. Memory B-lymphocyte
B. Memory T-lymphocyte
C. Natural killer cell
D. Plasma cell
E. Cytotoxic T-lymphocyte
D
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The spine consists of small bones called ____________________.?
Fill in the blank(s) with correct word
The placenta and its attached fetal membranes are collectively called the afterbirth
Indicate whether the statement is true or false
A secondary respiratory center is found in the ________ that helps ventilation to become smooth and rhythmic.
A. midbrain B. cerebellum C. medulla oblongata D. pons
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.