1.What function do the malleus, incus, and stapes bones in the inner ear play in processing sounds? A.
The bones transform pressure waves into nerve impulses that the brain recognizes as sound.

B.
The bones equalize pressure between the middle ear and the atmosphere.

C.
The bones transmit vibrations to the oval window setting the fluid in the cochlea in motion.

D.
The bones depolarize or hyperpolarize hair cells depending on the direction they vibrate.

2. Analysis of urine is routinely used in medical screening. The presence of glucose in the urine is normally a sign of concern. Why is glucose normally NOT found in urine?

A.
Glucose is too large to be included in the glomerular filtrate.

B.
Glucose is too small to be included in the glomerular filtrate.

C.
Glucose is reabsorbed in the cortex of the kidney.

D.
Glucose is secreted in the cortex of the kidney.