BIO 201 EXAM 1 (HYATT) | 239 QUESTIONS |
WITH COMPLETE SOLUTIONS!!
What percent of people are anatomical variants? Answer - 30%
What is the order of levels of life? Answer - Cells, Tissues, organs, Organ
systems, organisms
What are the 11 systems that make up the human body? Answer -
Integumentary, muscular, skeletal, endocrine, renal, digestive, respiratory,
cardiovascular, lymphatic, reproductive, nervous.
Describe the components of the ventral cavity: Answer - Thoracic cavity
(pleural cavities, pericardial cavity, mediastinum), abdominal cavity, pelvic
cavity
Describe the components of the dorsal cavity: Answer - Cranial Cavity,
vertebral cavity( aka spinal cavity)
List the quadrants of the abdominopelvic cavity: Answer - RUQ, LUQ, RLQ, LLQ
List the 9 abdominopelvic regions: Answer - Right/left hypochondriac,
right/left lumbar, right/left iliac, epigastric, umbilical, hypogastric regions.
What type of membrane lines the components (smaller cavities) of the ventral
cavity? Answer - serous membrane
,What type of membrane lines the components (smaller cavities) of the dorsal
cavity? Answer - Meningeal membrane
What type of membrane line other cavities exposed to the environment?
Answer - Mucous membrane
What type of membrane line synovial joints? Answer - Synovial membrane
What is homeostasis? Answer - The maintenance of relatively stable internal
conditions despite continuous changes in environment
What percent of body weight in a humanist water? Answer - 60%
How is total body water distributed? Answer - Intracellular fluid and
extracellular fluid
What percent of total body weight is intracellular fluid? Answer - 40%
What percent of total body weight is extracellular fluid? Answer - 20%
True of false: Water can cross cell membranes and capillaries. Answer - True
What are the four major ions in the body? Answer - Calcium (Ca++), Potassium
(K+), Sodium (Na+), Chlorine (Cl-)
Does K+ have a higher concentration on the inside or outside of the cell?
Answer - Inside
, True or false: Ca++, CL-, and Na+ have a higher concentration on the inside of
the cell. Answer - False
True or false: The composition of the extracellular fluid is very different from
that of the intracellular fluid. Answer - True
Describe a feed back pathway. Answer - Stimulus > Receptor > afferent signal >
control center (brain) > efferent signal > effector > feedback
What two systems play a big role in restoring homeostasis? Answer - Nervous
system, Endocrine system
What are some examples that would result in negative feedback? Answer -
Blood glucose levels rising, hunger increasing, erythropoiesis (new red blood
cell formation), testosterone production and release.
What are some examples that would result in positive feedback? Answer -
Uterine (Ferguson's) contractions supplemented by oxytocin, lactation,
ovulation, action potential, supplement of platelets to a tear in blood vessel
until it is clotted.
What is the term for anything that has mass and occupies space? Answer -
Matter
What is weight? Answer - The mass of something plus the effect of gravity.
What are the three states of matter? Answer - Solid, Liquid, Gas
What is the term describing matter in motion or the ability to do work?
Answer - Energy
WITH COMPLETE SOLUTIONS!!
What percent of people are anatomical variants? Answer - 30%
What is the order of levels of life? Answer - Cells, Tissues, organs, Organ
systems, organisms
What are the 11 systems that make up the human body? Answer -
Integumentary, muscular, skeletal, endocrine, renal, digestive, respiratory,
cardiovascular, lymphatic, reproductive, nervous.
Describe the components of the ventral cavity: Answer - Thoracic cavity
(pleural cavities, pericardial cavity, mediastinum), abdominal cavity, pelvic
cavity
Describe the components of the dorsal cavity: Answer - Cranial Cavity,
vertebral cavity( aka spinal cavity)
List the quadrants of the abdominopelvic cavity: Answer - RUQ, LUQ, RLQ, LLQ
List the 9 abdominopelvic regions: Answer - Right/left hypochondriac,
right/left lumbar, right/left iliac, epigastric, umbilical, hypogastric regions.
What type of membrane lines the components (smaller cavities) of the ventral
cavity? Answer - serous membrane
,What type of membrane lines the components (smaller cavities) of the dorsal
cavity? Answer - Meningeal membrane
What type of membrane line other cavities exposed to the environment?
Answer - Mucous membrane
What type of membrane line synovial joints? Answer - Synovial membrane
What is homeostasis? Answer - The maintenance of relatively stable internal
conditions despite continuous changes in environment
What percent of body weight in a humanist water? Answer - 60%
How is total body water distributed? Answer - Intracellular fluid and
extracellular fluid
What percent of total body weight is intracellular fluid? Answer - 40%
What percent of total body weight is extracellular fluid? Answer - 20%
True of false: Water can cross cell membranes and capillaries. Answer - True
What are the four major ions in the body? Answer - Calcium (Ca++), Potassium
(K+), Sodium (Na+), Chlorine (Cl-)
Does K+ have a higher concentration on the inside or outside of the cell?
Answer - Inside
, True or false: Ca++, CL-, and Na+ have a higher concentration on the inside of
the cell. Answer - False
True or false: The composition of the extracellular fluid is very different from
that of the intracellular fluid. Answer - True
Describe a feed back pathway. Answer - Stimulus > Receptor > afferent signal >
control center (brain) > efferent signal > effector > feedback
What two systems play a big role in restoring homeostasis? Answer - Nervous
system, Endocrine system
What are some examples that would result in negative feedback? Answer -
Blood glucose levels rising, hunger increasing, erythropoiesis (new red blood
cell formation), testosterone production and release.
What are some examples that would result in positive feedback? Answer -
Uterine (Ferguson's) contractions supplemented by oxytocin, lactation,
ovulation, action potential, supplement of platelets to a tear in blood vessel
until it is clotted.
What is the term for anything that has mass and occupies space? Answer -
Matter
What is weight? Answer - The mass of something plus the effect of gravity.
What are the three states of matter? Answer - Solid, Liquid, Gas
What is the term describing matter in motion or the ability to do work?
Answer - Energy
