Amy and Her Father Are Playing with a Squeaky Toy

question 79

Multiple Choice

Amy and her father are playing with a squeaky toy. Amy's father is squeezing the toy in front of Amy. Amy is very excited and reaches for the toy. Amy's father, however, quickly hides the toy behind his back. At this point, Amy turns away from her father and begins to look at the ladybug design on her dress. Amy is probably approximately what age?

• A) 1 month
• B) 6 months
• C) 10 months
• D) 15 months

---

Definitions:

Na+

The chemical symbol for sodium ions, which are essential for various physiological functions, including electrical signaling in neurons and muscle cells, as well as fluid balance in the body.

ADH Production

The production of antidiuretic hormone, which helps regulate water balance in the body by controlling the amount of water reabsorbed by the kidneys.

Urine Volume

The quantity of urine excreted by the kidneys over a certain period, often used to assess kidney function.

Reabsorption

The process by which substances are taken back into the bloodstream from the renal tubules of the kidney.