Exam Review

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created 6 years ago by harryandlaura
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1

A good example of a positive feedback mechanism would be ________.
a. body temp regulation
b. regulating glucose levels in the blood
c. enhancement of labor contractions
d. blood calcium level regulation

c. enhancement of labor contractions

2

What is the specific name for the hip region?
a. manus
b. inguinal
c. pedal
d. coxal

d. coxal

3

Homeostasis is the condition in which the body maintains_______.
a. the lowest possible energy usage
b. a relatively stable internal environment, within limits
c. a static state with no deviation from preset points
d. a dynamic state within an unlimited range

b. a relatively stable internal environment, within limits

4

The anatomical position is used ______.
a. rarely, because people don't usually assume this position
b. as a standard reference point for directional terms regardless of the actual position of the body
c. only when a body is lying down
d. as the most comfortable way to stand when dissection a specimen

b. as a standard reference point for directional terms regardless of the actual position of the body

5

Choose the answer that best describes HCO3.
a. a bicarbonate ion
b. common in the liver
c. a weak acid
d. a proton donor

a. a bicarbonate ion

6

Which of these is not a function of the plasma membrane?
a. it is selectively permeable
b. it prevents potassium ions from leaking out and sodium ions from crossing into the cell
c. it acts as a site of cell-to-cell interaction and recognition
d.it encloses the cell contents

b. it prevents potassium ions from leaking out and sodium ions from crossing into the cell

7

The term pollex refers to the ____.
a. great toe
b. calf
c. fingers
d. thumb

d. thumb