BIO 210 Lecture Final Exam Graded A+
What is the focus of anatomy and physiology? - ️It explores both the structure and function of the body.
How can a congenital heart defect impact physiology? - ️It can cause the heart to pump ineffectively, illustrating how anatomy influences physiology....
BIO 210 Lecture Final Exam Graded A+
What is the focus of anatomy and physiology?
- ✔️It explores both the structure and function of the body.
How can a congenital heart defect impact physiology?
- ✔️It can cause the heart to pump ineffectively, illustrating how anatomy influences physiology.
What feature do epithelial cells adapted for absorption and secretion typically have at their free
surface?
- ✔️They usually have microvilli.
What does cytology study?
- ✔️It studies the structure of cells.
What is the focus of the study of cell physiology?
- ✔️It investigates cellular processes.
What type of plane divides the body into equal left and right halves?
- ✔️A midsagittal plane.
,Define serous membrane.
- ✔️It's a thin tissue layer covering internal body cavities, secreting fluid to reduce friction between
surfaces.
Define mucous membrane.
- ✔️It lines passages like the nose, lungs, and digestive tract, secreting mucus.
What is the function of a serous membrane?
- ✔️It reduces friction between parietal and visceral surfaces of internal cavities.
Define synovial membrane.
- ✔️It lines joints, secreting synovial fluid into the joint space.
Define cutaneous membrane.
- ✔️It refers to the skin, consisting of the epidermal and dermal layers.
Give an example of a hormonal negative feedback mechanism in response to increased blood calcium
levels.
, - ✔️Calcitonin is released from the thyroid gland to lower blood calcium levels back to the set point,
after which hormone release stops.
Provide an example of negative feedback in response to rising body temperature.
- ✔️The brain's center initiates physiological changes to reduce body temperature, illustrating negative
feedback.
Sequence the events of negative feedback in response to a change in body temperature.
- ✔️Order: Thermoreceptors detect a decrease in body temperature, afferent fibers transmit
information to a control center, the control center compares actual temperature to the set point, nerve
impulses to skeletal muscles initiate tetanic contractions, and body temperature rises toward
homeostasis.
Homeostasis ✔️The ability of the body to maintain a relatively constant internal environment despite
of the changes in the external or internal conditions.
What is the function of stratified squamous epithelium? ✔️protection
Dead skin cells are shed in thick sheets because they are held together by a thin layer of proteoglycan
and cell adhesion molecules (CAMs). Such strong intercellular connections are
_______________________. ✔️desmosomes
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