Chapter 5 Self-test questions

In an experimental system, if a small amount of hormone causes a small increase in what is being measured and a larger amount of hormone causes a larger increase, we call this…

A coincidence.

A dose-dependent effect.

Proof that this is the hormone's main effect.

Proof that only this hormone is affecting what is being measured.

The 'cuddle hormone' released in response to affectionate physical contact is…

Oxytocin.

Vasopressin.

Melatonin.

Testosterone.

The 'Reading the mind in the eyes test' (RMET) is a standardized experimental way of measuring a person's…

Oxytocin levels.

IQ (general intelligence).

Social intelligence.

Telepathic abilities.

Which of the following is true of the effects of oxytocin in other vertebrate species?

Blocking oxytocin effects in female zebra finches makes them less sociable.

Blocking oxytocin effects in male zebra finches makes them less sociable.

Blocking oxytocin effects in non-monogamous voles makes them monogamous.

Blocking oxytocin effects in non-monogamous voles makes them aggressive.

Ghrelin, the hormone that acts on the brain to stimulate hunger, is produced by the…

Hypothalamus.

Pituitary gland.

Pancreas.

Stomach.

Leptin, the hormone that inhibits hunger signals in the hypothalamus is produced by…

The hypothalamus.

The pituitary gland.

Adipocytes (fat cells).

The stomach.

Which of the following hormones is the only one to stimulate appetite?

Insulin.

Ghrelin.

Oxytocin.

Glucagon-like peptide.

In biology, 'sexual dimorphism' means…

Males can become females under the right circumstances.

Reptile eggs can hatch into either male or female offspring.

Males and females of the same species cannot be distinguished from each other.

There is an obvious difference between males and females of the species.

The effects of testosterone on an adult animal's brain are affected by…

Foetal exposure to androgens.

Foetal exposure to oestrogens.

Adult levels of LH.

Adult levels of FSH.

Having a low 2D:4D ratio, i.e. index finger shorter than ring finger, is a good indication of…

Prenatal oestrogen exposure.

Prenatal androgen exposure.

Postnatal oestrogen exposure.

Postnatal androgen exposure.

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