Removal of the ________ would be more harmful to a one-year-old child than an adult.
A. palatine tonsil
B. spleen
C. thymus
D. lymph node
E. appendix
Answer: C
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In the photomicrograph of a portion of thick skin shown below, which layer is the stratum basale?
a) A b) B c) D d) E e) F
Microfilaments
A) are usually composed of myosin. B) are hollow, filamentous structures. C) anchor the cytoskeleton to integral proteins of the cell membrane. D) interact with filaments composed of tubulin to produce muscle contractions. E) are found in the cytoplasm radiating away from the centrosome.
Which of the following is FALSE? Mammalian hemocytes are involved in
A) Nutrient transport. B) Phagocytosis. C) Immune defense. D) Hormone secretion.
The hormone ADH
A) causes the kidneys to produce a large volume of urine. B) stimulates water conservation at the kidneys. C) stimulates the kidneys to retain sodium ion. D) is secreted by the anterior pituitary gland in response to changes in blood osmolarity. E) All of the answers are correct.