The volume of air that enters the lungs during forced maximal inspiration is the
A) inspiratory reserve volume. B) vital capacity.
C) expiratory reserve volume. D) tidal volume.
A
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An antigen is ________, whereas an antibody is ________.
A. only on a pathogen; only in a human body B. an immunoglobulin that is produced by lymph nodes in response to bacteria; a foreign protein that enters the body and causes an immune reaction C. a hapten molecule that is complex in shape; an enzyme produced by the thymus gland that neutralizes antigens D. a foreign substance such as a protein or a polysaccharide to which lymphocytes respond; a globular protein that reacts with an antigen to eliminate the antigen
A patient was tested for evidence of dehydration. Which sample would show the earliest signs?
A) Tissues B) Cells C) Blood D) Organs
Which of the following muscles flexes the knee?
A. Rectus femoris B. Soleus C. Gluteus maximus D. Semimembranosus E. Iliopsoas
Autonomic function receives input from all these except ________.
A. hypothalamus B. cerebral cortex C. medulla oblongata D. spinal cord E. somatic branch of the peripheral nervous system