What type of synapse must have receptors to transmit signals?
A) electrical synapse B) chemical synapse
C) both chemical and electrical synapses D) neither chemical nor electrical synapses
Answer: B
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Which of the following statements correctly compares water-soluble hormones with lipid-soluble hormones?
a) Both types of hormone are carried in the blood attached to a carrier protein. b) Both types of hormone almost always stimulate increases in mRNA transcription. c) Only water-soluble hormones use second messengers. d) Only water-soluble hormones require a receptor. e) Lipid-soluble hormones are not found in the bloodstream.
Intracellular fluids have high concentrations of
A) potassium and phosphate ions. B) sodium and phosphate ions. C) chloride and potassium ions. D) sodium and chloride ions.
Susan slipped on the ice and was unable to be fully mobile for several days. What disruption to homeostasis would you predict she experienced during her immobile period in terms of her muscular system?
A. Susan's uninjured muscles overcompensate for the inactive ones by contracting spontaneously. B. Susan was more cold than usual because her inactivity prevented her muscles from helping to regulate her body temperature. C. Susan's metabolic rate was raised, and it initiated sweating.
Most anatomical terms have Greek and Latin roots because ________.
A. these languages had the most flexibility B. they were the most widely spoken languages across the world when anatomy began C. they were the easiest languages to understand D. scientific investigation began in Greece and Rome