Answer the following statements true (T) or false (F)
1. Chromosomes and chromatin are both made of DNA.
2. Filtration is an example of a passive transport process.
3. The diffusion of water through a selectively permeable membrane is called dialysis.
4. Filtration uses hydrostatic pressure to move material through a membrane.
5. Osmosis and dialysis are special cases of diffusion.
1. TRUE
2. TRUE
3. FALSE
4. TRUE
5. TRUE
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The skin dissipates excess body heat by
A. radiation. B. dilating dermal blood vessels. C. activating eccrine sweat glands. D. all of the answer choices are correct.
Which of the following describes the cells of unitary smooth muscle?
A) They exhibit spontaneous action potentials. B) They are used for vision and hair raising. C) They depend upon recruitment using the autonomic nervous system. D) They consist of muscle fibers that are structurally independent of each other.
Tranquilizers are administered with a needle and syringe
Indicate whether the statement is true or false
Which of the following cells secretes surfactant?
A. alveolar macrophages B. type I alveolar cells C. type II alveolar cells D. goblet cells