Practice Test 5

Question 1

What is FALSE concerning the Sodium-Potassium Pump?

Answer 1

Moves Na+ into the cell and K+ out of the cell

Question 2

Which structure(s) in the brain produce cerebrospinal fluid?

Answer 2

ventricles

Question 3

The sense of hearing has what type of sensory receptors?

Answer 3

mechanoreceptors

Question 4

Which of the following would result in a MORE ROUNDED lens shape?

Answer 4

Contracted ciliary muscle / relaxed suspensory ligaments

Question 5

The __________________ is where the optic nerve exits the eye, it is only visible when _______________.

Answer 5

blind spot
one eye closed

Question 6

In a nearsighted eye, light rays focus ________ the retina because the eyeball is too ________

Answer 6

in front of
long

Question 7

Insulin is released after a meal and triggers the conversion of ________ into ________.

Answer 7

glucose
glycogen

Question 8

When __________________, the pancreas releases ______________________, which triggers the breakdown of glycogen into glucose.

Answer 8

fasting
glucagon

Question 9

What type of feedback is this?

Stimulus: Decrease in body temperature

Sensor: Skin thermoreceptors

Control Center: Central nervous system sends signals to the skeletal muscles to contract and relax which initiates shivering

Effect: Increase in body temperature

Answer 9

Negative