Homeostasis is the condition in which the body maintains ________.
a. a dynamic state within an unlimited range
b. the lowest
possible energy usage
c. a static state with no deviation from
preset points
d. a relatively stable internal environment, within limits
d. a relatively stable internal environment, within limits
A red blood cell placed in pure water would.
a) shrink
b) neither shrink nor swell
c) swell initially,
then shrink as equilibrium is reached
d) swell and burst
d) swell and burst
Crenation (shrinking) is likely to occur in blood cells immersed in ______.
A) an isotonic solution
B) blood plasma
C) a hypotonic solution
D) a hypertonic solution
D) a hypertonic solution
Using Figure 1.1, match the following cavities:
1) Thoracic cavity.
2) Cranial cavity.
3) Abdominal
cavity.
4) Vertebral cavity.
1) Answer: C
2) Answer: A
3) Answer: D
4) Answer: B
Using Figure 3.2, match the following cavities:
1) Integral protein.
2) Glycocalyx.
3) Phospholid.
4) Hydrophilic portion of phospholid.
5) Peripheral protein.
1) Answer: D
2) Answer: A
3) Answer: C
4) Answer: B
5) Answer: E
Histology would be best defined as a study of________.
A) cells
B) tissues
C) cell chemistry
D) the gross
structures of the body
B) tissues
A vertical section through the body, dividing it into left and right, is called ________.
A) frontal
B) regional
C) sagittal
D) transverse
C) sagittal
Generally what is the result of the negative feedback process?
A) to keep the body's blood sugar level high
B) to control body
movement
C) to regulate excretion via the kidneys
D) to
maintain homeostasis
D) to maintain homeostasis
What is a vertical section through the body, dividing it into anterior and posterior regions called?
A) frontal
B) regional
C) sagittal
D) transverse
A) frontal
The study of large body structures, visible to the naked eye, such as the heart is called _______ anatomy.
a) gross
b) micro
c) regional
d) surface
a) gross
In a tissue type that undergoes a relatively great deal of mechanical stress, like the tissue that lines the intestine, you would expect to see an abundance of _____ between the individual cells of the tissue.
a) gap junctions
b) tight junctions
c) connexons
d) desmosomes
d) desmosomes
A structure that is composed of two or more tissue types that work together to perform specific functions for the body is a(n) ________.
a) atom
b) tissue
c) cell
d) organ
d) organ
True or False?
Positive feedback mechanisms tend to enhance the original stimulus so that the response is accelerated.
True
A good example of a positive feedback mechanism would be ________.
A) body temperature regulation
B) regulating glucose levels in
the blood
C) enhancement of labor contractions
D) blood
calcium level regulation
C) enhancement of labor contractions
Which of the following describes the plasma membrane?
A) a double layer of protein enclosing the plasma
B) a
single-layered membrane that surrounds the nucleus of the cell
C)
a membrane composed of tiny shelves or cristae
D) the
phospholipid bilayer surrounding the cell
D) the phospholipid bilayer surrounding the cell
True or False?
The elbow is proximal to the shoulder.
False