BIOS 255 Comprehensive Exam (Latest 2024 /
2025) Questions and Answers (Verified
Answers)
What is positive feedback system?
strengthens or reinforces a change in one of the body's controlled conditions. (childbirth,
breastfeeding, clotting)
What is negative feedback?
A response to a change in the body that counteracts or opposes the initial change.
What is an example of negative feedback?
Temperature, Blood glucose levels, Blood volume/ pH/ composition
What is an example of positive feedback?
-Blood clotting. The initial clotting triggers the formation of more clots.
- child birth
,What is avascular?
lack of blood vessels
No blood supply
What is vascular ?
blood vessels (pulmonary division and systemic system)
epithelial tissue
A body tissue that covers the surfaces of the body, inside and out
What are the four types of tissues?
epithelial, connective, muscular, nervous
,Muscular tissue is
Contracts and moves the various parts of the body.
- involuntary
Muscular tissue is
contractile
Connective tissue is
A body tissue that provides support for the body and connects all of its parts
Nervous tissue is
highly cellular
An example of nervous tissue
brain
, An example of epithelial tissue
skin (epidermis)
An example of a connective tissue is the
blood
What are the three muscular tissues?
skeletal, cardiac, smooth
2025) Questions and Answers (Verified
Answers)
What is positive feedback system?
strengthens or reinforces a change in one of the body's controlled conditions. (childbirth,
breastfeeding, clotting)
What is negative feedback?
A response to a change in the body that counteracts or opposes the initial change.
What is an example of negative feedback?
Temperature, Blood glucose levels, Blood volume/ pH/ composition
What is an example of positive feedback?
-Blood clotting. The initial clotting triggers the formation of more clots.
- child birth
,What is avascular?
lack of blood vessels
No blood supply
What is vascular ?
blood vessels (pulmonary division and systemic system)
epithelial tissue
A body tissue that covers the surfaces of the body, inside and out
What are the four types of tissues?
epithelial, connective, muscular, nervous
,Muscular tissue is
Contracts and moves the various parts of the body.
- involuntary
Muscular tissue is
contractile
Connective tissue is
A body tissue that provides support for the body and connects all of its parts
Nervous tissue is
highly cellular
An example of nervous tissue
brain
, An example of epithelial tissue
skin (epidermis)
An example of a connective tissue is the
blood
What are the three muscular tissues?
skeletal, cardiac, smooth
