Each of the following is an example of a nonmembranous organelle except one. Identify the exception.
A) cilia
B) ribosome
C) lysosome
D) cytoskeleton
E) centriole
C) lysosome
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Which of the following has its cell body in the ganglion?
A) preganglionic neuron and postganglionic neuron B) preganglionic neuron, postganglionic neuron, and somatic motor neuron C) preganglionic neuron D) somatic motor neuron E) postganglionic neuron
Which of these epithelial types is correctly matched with its major function?
A) simple squamous epithelium — diffusion or filtration B) stratified squamous epithelium — protection from abrasion C) Simple cuboidal epithelium — active transport, facilitated diffusion, or secretion D) Simple columnar epithelium — secretion or absorption E) All these are correctly paired.
Arrange the following vessels in the order in which blood would pass through them 1. pulmonary venules 2. pulmonary trunk 3. pulmonary veins 4. alveolar capillaries 5. pulmonary arterioles 6. pulmonary arteries
A) 5, 3, 1, 4, 2, 6 B) 2, 6, 5, 4, 1, 3 C) 4, 6, 3, 2, 1, 5 D) 2, 3, 1, 4, 5, 6 E) 6, 7, 4, 1, 3, 2
You are a scientist for the Federal Drug Administration (FDA). An agricultural company wants to market a new pesticide they have developed for use on produce in the United States. This pesticide is hydrophilic, has a small molecular weight (it is slightly smaller than glucose), and it does not bind to any proteins. Which of the following is an appropriate hypothesis for how this drug will be found in the body?
A. The pesticide will mostly be cleared in the feces as it will bind to cholesterol, which is added to the GI tract. B. The pesticide will mostly be cleared in the urine as it will be filtered but not reabsorbed. C. The pesticide will be cleared through the skin as it will diffuse through the skin layers and evaporate from the surface. D. The pesticide will remain in the blood for a long period as it is not filtered or secreted by the urinary tract.