101
Physiology is the study of how a body function works
T or F - ✔✔ correct answer True
Histology could be defined as a study of:
a) cells
b) tissues
c) cell chemistry
d) the gross structures of the body
e) none of the above - ✔✔ correct answer B - Tissues
"Boundary Maintenance" refers to the notion of regulating what moves between inside and outside.
T or F - ✔✔ correct answer T
Which of the following would not be functional characteristics of life?
a) movement
b) responsiveness to external stimuli
c) maintenance of boundaries
d) decay
e) none of the above - ✔✔ correct answer D- Decay
Homeostasis is keeping a free-floating set of values for things like blood-pressure and body
temperature.
T or F - ✔✔ correct answer F
Which of the following statements is true concerning feedback mechanisms?
a) Positive feedback mechanisms always result in excessive damage to the host
b) Negative feedback mechanisms tend to increase the original stimulus.
c) Negative feedback mechanisms work to prevent sudden,
severe changes within the body
d) Blood glucose levels are regulated by positive feedback mechanisms
,Final Exam Practice Questions APHY
101
e None of the above - ✔✔ correct answer C- Negative feedback mechanisms work to prevent
sudden, severe changes within the body
Reproduction is not a characteristic of life - ✔✔ correct answer F
The most important chemical property of a chemical is "does it dissolve in water", since that
regulates how it passes through a cell membrane. T or F - ✔✔ correct answer T
Phospholipids:
a) are exclusively hydrophilic (attract water) molecules
b) contain hydrophilic tails and hydrophobic head groups
c) are both hydrophilic (attract water) and hydrophobic (repel water) in nature
d) form the lipid bilayer, with hydrophobic (repels water) tails directed to the outside - ✔✔ correct
answer C - are both hydrophilic (attract water), and hydrophobic (repel water) in nature
A tissue consists of groups of similar cells that have a common function. - ✔✔ correct answer T
The anatomical position is characterized by all of the following EXCEPT:
a) body erect
b) arms at sides
c) palms turned posteriorly
d) thumbs pointed laterally - ✔✔ correct answer C- palms turned posteriorly
Regardless of the variable being regulated, all homeostatic control mechanisms have at least three
interdependent components. - ✔✔ correct answer True. The three components are Affector
(sensor), Integrator (decision maker), and Effector (actor)
Which statement is true concerning membrane transport?
a) tight junctions carry materials from cell-to-cell avoiding membranes
b) Diffusion requires a source of ATP
c) Osmosis is movement of water molecules up a diffusion gradient
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101
d) Osmosis is the movement of water through a selectively permeable membrane - ✔✔ correct
answer D - Osmosis is the movement of water through a selectively permeable membrane
Lipids are a poor source of stored energy. T or F - ✔✔ correct answer F - A primary function of lipids
is long-term storage of energy.
Epithelial tissues always exhibit "polarity"; that is, they have a free, apical surface and a basal
surface. T or F - ✔✔ correct answer T
Epithelial tissues are categorized by:
a) morphology
b) matrix type
c) layering
d) cellular function, whether a producer or a digester
e) both a and c - ✔✔ correct answer E - morphology and layering
The shock-absorbing pads between the vertebrae are formed of fibrocartilage. T or F - ✔✔ correct
answer True
Select the correct statement regarding adipose tissue.
a) it is composed mostly of extracellular matrix
b) one major function is triglyceride storage
c) mature adipose cells are highly mitotic
d) most of the cell volume is occupied by the nucleus - ✔✔ correct answer B - Triglyceride long-term
storage is a major function
"Granulation" is complete healing, with all damaged tissues replaced by the same type as originally
present.
T or F - ✔✔ correct answer F-
"Regeneration" is complete healing.
"Granulation" is scarring. It pulls the wound together and becomes a "scar".