A Puff of Air on the Surface of Your Eye

question 42

Multiple Choice

A puff of air on the surface of your eye will make you blink reflexively. If you hear a buzzer repeatedly just before air is puffed into your eye, eventually you will blink as soon as you hear the buzzer. In this example, the unconditioned stimulus is the

• A) eye-blink response to the puff of air.
• B) puff of air.
• C) buzzer.
• D) eye-blink response to the buzzer.

---

Definitions:

Oral Contraceptives

A type of birth control that is taken by mouth, including pills that prevent ovulation.

Estrogen

The principal female hormone, regulating reproductive functions and the development of secondary sex characteristics.

Minipill

A type of birth control pill that contains only progestin, which is less likely to cause some of the side effects associated with estrogen-containing pills.

Oral Pills

A form of medication taken by mouth, specifically used here to likely refer to contraceptives used to prevent pregnancy.