Filters
Question type
Study Flashcards

List three hormones involved in the onset of maternal behavior in rats.

Correct Answer

verifed

verified

Answers may vary but can include progesterone, estradiol, prolactin, or oxytocin.

Which of the following is not one of the three major components of rat maternal care?


A) Licking
B) Adopting nursing posture
C) Keeping pups in the nest
D) Patrolling territorial borders

E) None of the above
F) B) and C)

Correct Answer

verifed

verified

Which of the following is true of the relationship between the developmental state of an animal at birth and the amount of parental care it receives postpartum?


A) Altricial animals receive more parental care than precocial.
B) Precocial animals receive more parental care than altricial.
C) Interstitial animals receive more parental care than altricial, but less than precocial.
D) None of the above

E) A) and B)
F) None of the above

Correct Answer

verifed

verified

Which structure is not part of the vomeronasal organ-MPOA pathway?


A) Lateral optic tract
B) BNST
C) Olfactory bulb
D) Amygdala

E) C) and D)
F) A) and B)

Correct Answer

verifed

verified

During pregnancy in the rat,


A) progesterone levels are high.
B) prolactin levels are low.
C) estradiol levels progressively increase.
D) All of the above

E) A) and B)
F) B) and C)

Correct Answer

verifed

verified

Describe how thermoregulation in rat pups is carried out during high and low ambient temperatures when one of the pups is placed under anesthesia. Explain why.

Correct Answer

Answered by ExamLex AI

Answered by ExamLex AI

Thermoregulation in rat pups is carried ...

View Answer

What hormone rescues the corpus luteum from regression during pregnancy?


A) High estrogen concentrations
B) Human chorionic gonadotrophin
C) High chorionic gonadotropin concentrations
D) LH and FSH

E) C) and D)
F) All of the above

Correct Answer

verifed

verified

Describe and discuss how estrogen to progesterone ratios influence maternal behavior (low and high attachment).

Correct Answer

Answered by ExamLex AI

Answered by ExamLex AI

The estrogen to progesterone ratio plays...

View Answer

Which of the following best describes the phenomenon of concaveation?


A) A mother rat ignores her pup when reintroduced following a few days of separation.
B) A mother rat recognizes her pup when reintroduced following a few days of separation.
C) A pup ignores his rat mother when reintroduced following a few days of separation.
D) An adult female rat that has never been pregnant will develop a set of maternal behaviors following a few days of housing with foster pups.

E) B) and D)
F) B) and C)

Correct Answer

verifed

verified

Lesions of the medial preoptic area


A) eliminate maternal behavior.
B) hasten the effects of concaveation.
C) evokes paternal behavior in rats.
D) stimulates maternal behavior.

E) A) and C)
F) B) and D)

Correct Answer

verifed

verified

List three neural sites involved in the regulation of maternal behavior in rats.

Correct Answer

verifed

verified

Answers may vary but can inclu...

View Answer

Briefly describe the differences among the following mammalian maternal behaviors: marsupials, monotremes, and eutherians.

Correct Answer

verifed

verified

The embryo develops in placenta in a rel...

View Answer

Explain how parental "style" might be transferred mother-to-offspring non-genomically.

Correct Answer

Answered by ExamLex AI

Answered by ExamLex AI

Parental "style" can be transferred from mother to offspring non-genomically through a variety of mechanisms. One possible mechanism is through epigenetic modifications, such as DNA methylation and histone modifications, which can be influenced by the mother's behavior and environment during pregnancy. These epigenetic changes can alter gene expression patterns in the offspring, potentially impacting their behavior and response to their environment in a manner similar to their mother. Additionally, maternal behavior and caregiving practices can also shape the offspring's behavior and social interactions through non-genomic pathways. For example, a mother's nurturing and responsive caregiving style can influence the development of the offspring's social and emotional skills, as well as their stress response and coping mechanisms. This can be transmitted through behavioral and social learning processes, rather than through genetic inheritance. Furthermore, the prenatal environment, including factors such as maternal stress, nutrition, and exposure to toxins, can also impact the offspring's development and behavior in a non-genomic manner. These environmental influences can shape the offspring's physiological and neurological development, potentially impacting their behavior and cognitive abilities later in life. Overall, parental "style" can be transferred from mother to offspring non-genomically through a combination of epigenetic, behavioral, and environmental factors, all of which can shape the offspring's development and behavior in ways that reflect their mother's influence.

As rat pups become older and can regulate their own body temperature, the duration of a nursing bout is believed to be mediated by


A) the mother's body temperature.
B) the pulsatile release of prolactin.
C) corticosterone concentrations.
D) estrogen concentrations.

E) A) and D)
F) B) and D)

Correct Answer

verifed

verified

Which of the following is expected to have the smallest medial preoptic area (MPOA) volume in California rats?


A) Mother rat
B) Virgin male rat
C) Nulliparous female rat
D) Father rat

E) C) and D)
F) All of the above

Correct Answer

verifed

verified

Are hormones involved in the onset and/or maintainenance of maternal behavior in rats? Provide two examples of experimental evidence to support your answer.

Correct Answer

Answered by ExamLex AI

Answered by ExamLex AI

Yes, hormones are involved in the onset ...

View Answer

What organ takes over progesterone production when the corpus luteum begins to fail during the last two trimesters of human pregnancy?


A) Cervix
B) Graafian follicle
C) Corpus hemorrhagicum
D) Placenta

E) A) and C)
F) A) and B)

Correct Answer

verifed

verified

D

Which statement is false?


A) Nulliparous female rats will exhibit maternal behavior if exposed to rat pups for 5-6 days.
B) Nulliparous female rats will exhibit maternal behavior if exposed to rat pups for one day.
C) Immediately after birth, primiparous female rats will exhibit maternal behavior upon a single exposure to rat pups.
D) Prior to puberty, all female rats will exhibit maternal behavior one day after being exposed to rat pups.

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Lesioning which of the following will promote maternal behavior in the female rat?


A) Nucleus Meynert
B) Medial nuclei of the amygdala
C) Occipital lobe
D) Hippocampus

E) B) and D)
F) A) and B)

Correct Answer

verifed

verified

In humans, which hormone is increased during pregnancy and stays elevated until the end of nursing?


A) Progesterone
B) Prolactin
C) Estriol
D) Estradiol

E) A) and B)
F) C) and D)

Correct Answer

verifed

verified

Showing 1 - 20 of 24

Related Exams

Exam 1

The Study of Behavioral Endocrinology

27 Questions

Exam 2

The Endocrine System

25 Questions

Exam 3

Sex Differences in Behavior: Sex Determination and Differentiation

27 Questions

Exam 4

Sex Differences in Behavior: Animal Models and Humans

24 Questions

Exam 5

Male Reproductive Behavior

25 Questions

Exam 6

Female Reproductive Behavior

30 Questions

Exam 8

Hormones and Social Behavior

24 Questions

Exam 9

Homeostasis and Behavior

24 Questions

Exam 10

Biological Rhythms

29 Questions

Exam 11

Stress

23 Questions

Exam 12

Learning and Memory

22 Questions

Exam 13

Hormones and Affective Disorders

23 Questions

Show Answer