Which of the following is not a function of lymph nodes?
A) act as lymph filters and activate the immune system
B) produce lymphoid cells and granular WBCs
C) produce lymph fluid and cerebro-spinal fluid
D) serve as antigen surveillance areas
C) produce lymph fluid and cerebro-spinal fluid
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A person normally has two alleles of a gene because
A) all genes come in only two varieties. B) there isn't enough DNA to accommodate more than this. C) one allele of a gene is carried on each of two homologous chromosomes. D) DNA only comes in two forms.
________ is a form of connective tissue comprising a fluid portion called plasma and a variety of cells and substances.
A. Hemoglobin B. Blood C. Albumin D. Serum
Answer the following statements true (T) or false (F)
1. The kidney is the main regulator of sodium in the body. 2. Plasma proteins are the main water-pushing force in the blood capillaries. 3. Plasma proteins are the main water-pulling force in the blood capillaries. 4. Capillary blood pressure is the main water-pushing force in the blood capillaries. 5. Capillary blood pressure is the main water-pulling force in the blood capillaries.
Classify neurons based on their function
A) Neurons are classified functionally as sensory, interneurons, or motor neurons. B) Neurons are classified functionally as central, peripheral, or enteric neurons. C) Neurons are classified functionally as anaxonic, bipolar, unipolar, or multipolar. D) Neurons are classified functionally as anaxonic or axonic. E) Neurons are classified functionally as sympathetic or parasympathetic neurons.