As CSF circulates, ________ between it and the interstitial fluid of the CNS is unrestricted between and across the ependymal cells
A) osmosis
B) perfusion
C) diffusion
D) convection
E) conduction
Answer: C
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Place the following events of a reflex arc in the correct order: 1 ) motor neuron activation, 2 ) sensory neuron activation, 3 ) sensory receptor activation, 4 ) Information processing, 5 ) effector response
A) 3, 2, 1, 5, 4 B) 3, 2, 4, 1, 5 C) 2, 3, 4, 5, 1 D) 4, 3, 1, 2, 5 E) 1, 5, 3, 2, 4
Mollusc catch muscles are able to generate tension for long periods of time without consuming much energy. We do not understand everything about how this is accomplished, but there are unique proteins, such as __________, that seem to play a role
A) Twitchin B) Myosin C) Titin D) All of the above Fill in the blank with the correct answer.
The membrane that lines the digestive, respiratory, urinary, and reproductive tracts consists of
A. areolar and dense irregular connective tissue B. areolar tissue and lamina propria C. epithelium and lamina propria D. simple squamous epithelium and areolar tissue E. simple squamous epithelium and dense irregular connective tissue
Name the hormones secreted by the heart
A) erythropoietin B) natriuretic peptides C) antidiuretic hormone D) thrombopoietin E) thymosin