A frog muscle is stimulated with an electric current but the muscle doesn't twitch. This probably happens because______

a. the graded potential is too great
b. the synapses are underactive
c. the threshold of excitation was not reached
d. ionic balance has been restored


c

Psychology

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Saturated or pure hues are produced by which type of wavelengths?

a. wide band b. narrow band c. combination d. high amplitude

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Experimental research typically has a higher level of ____________ than nonexperimental methodology

a. Validity b. Reliability c. Control d. Randomization

Psychology

Josephine was told by her doctor that the cancer has spread throughout her body. He said that her cancer has

a. staged. c. radiography. b. metastasized. d. radial symmetry.

Psychology

Which concept is the cornerstone of Freud's classic psychoanalytic theory?

a) Lust b) Attraction Consider This: Freud was interested in the libido. LO 6.2: Explain intimate relationship between married couples, and cohabiting relationships between both with heterosexual and same-sex partners c) Attachment Consider This: Freud was interested in the libido. LO 6.2: Explain intimate relationship between married couples, and cohabiting relationships between both with heterosexual and same-sex partners d) Logic Consider This: Freud was interested in the libido. LO 6.2: Explain intimate relationship between married couples, and cohabiting relationships between both with heterosexual and same-sex partners

Psychology