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A graduate student wants to test the hypothesis that aromatization is necessary for the activation of paternal behavior in male pine voles. She uses two groups of males, all of which were castrated in early adulthood and have not interacted previously with adult females or pups. She treats each male and then allows it to interact with an unfamiliar pup for 1 hour. Which would be the best two treatments to compare? (T = testosterone, E = estrogen) a. Group 1: Inject with T. Group 2: Inject with a control substance. Ob. Group 1: Inject with T. Group 2: Inject with E. c. Group 1: Inject with an aromatase inhibitor. Group 2: Inject with a control substance. d. Group 1: Inject with T and an E receptor antagonist. Group 2: Inject with T and a control substance. ) e. Group 1: Inject with T and an androgen receptor antagonist. Group 2: Inject with E and an androgen receptor antagonist.

A graduate student wants to test the hypothesis that aromatization is necessary for the activation of paternal behavior in male pine voles. She uses two groups of males, all of which were castrated in early adulthood and have not interacted previously with adult females or pups. She treats each male and then allows it to interact with an unfamiliar pup for 1 hour. Which would be the best two treatments to compare? (T = testosterone, E = estrogen) a. Group 1: Inject with T. Group 2: Inject with a control substance. Ob. Group 1: Inject with T. Group 2: Inject with E. c. Group 1: Inject with an aromatase inhibitor. Group 2: Inject with a control substance. d. Group 1: Inject with T and an E receptor antagonist. Group 2: Inject with T and a control substance. ) e. Group 1: Inject with T and an androgen receptor antagonist. Group 2: Inject with E and an androgen receptor antagonist.

Phlebotomy Essentials
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
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**Question 23:** A graduate student wants to test the hypothesis that aromatization is necessary for the activation of paternal behavior in male pine voles. She uses two groups of males, all of which were castrated in early adulthood and have not interacted previously with adult females or pups. She treats each male and then allows it to interact with an unfamiliar pup for 1 hour. Which would be the best two treatments to compare? (T = testosterone, E = estrogen) a. **Group 1:** Inject with T. **Group 2:** Inject with a control substance. b. **Group 1:** Inject with T. **Group 2:** Inject with E. c. **Group 1:** Inject with an aromatase inhibitor. **Group 2:** Inject with a control substance. d. **Group 1:** Inject with T and an E receptor antagonist. **Group 2:** Inject with T and a control substance. e. **Group 1:** Inject with T and an androgen receptor antagonist. **Group 2:** Inject with E and an androgen receptor antagonist.
Transcribed Image Text:**Question 23:** A graduate student wants to test the hypothesis that aromatization is necessary for the activation of paternal behavior in male pine voles. She uses two groups of males, all of which were castrated in early adulthood and have not interacted previously with adult females or pups. She treats each male and then allows it to interact with an unfamiliar pup for 1 hour. Which would be the best two treatments to compare? (T = testosterone, E = estrogen) a. **Group 1:** Inject with T. **Group 2:** Inject with a control substance. b. **Group 1:** Inject with T. **Group 2:** Inject with E. c. **Group 1:** Inject with an aromatase inhibitor. **Group 2:** Inject with a control substance. d. **Group 1:** Inject with T and an E receptor antagonist. **Group 2:** Inject with T and a control substance. e. **Group 1:** Inject with T and an androgen receptor antagonist. **Group 2:** Inject with E and an androgen receptor antagonist.
**Question 17** A researcher tests two groups of male rats: one that engages in fighting with another male, and one that can view another male across a cage partition but can't fight with it. An hour later, the researcher obtains the animals’ brains and later uses immunohistochemistry to determine the density of neurons expressing Fos (the protein product of an immediate-early gene). She finds that the rats that fought have higher Fos expression in the bed nucleus of the stria terminalis (BNST) than rats in the control group. The best interpretation of these findings is that… a. Engaging in aggression induces changes in gene expression in the BNST. b. Engaging in aggression induces structural changes in the BNST. c. Engaging in aggression induces changes in hormone receptor expression in the BNST. d. The BNST is necessary for organizational effects on aggressive behavior. e. The BNST is necessary for activational effects on aggressive behavior.
Transcribed Image Text:**Question 17** A researcher tests two groups of male rats: one that engages in fighting with another male, and one that can view another male across a cage partition but can't fight with it. An hour later, the researcher obtains the animals’ brains and later uses immunohistochemistry to determine the density of neurons expressing Fos (the protein product of an immediate-early gene). She finds that the rats that fought have higher Fos expression in the bed nucleus of the stria terminalis (BNST) than rats in the control group. The best interpretation of these findings is that… a. Engaging in aggression induces changes in gene expression in the BNST. b. Engaging in aggression induces structural changes in the BNST. c. Engaging in aggression induces changes in hormone receptor expression in the BNST. d. The BNST is necessary for organizational effects on aggressive behavior. e. The BNST is necessary for activational effects on aggressive behavior.
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