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BIO 169 Final Exam Questions and Answers Top Graded 2024
What are the functions of the endocrine system? - controls - reproduction, metabolism, growth/development, fluid/electrolyte balance, resistance to stress 
 
What are paracrine secretions? Traits? - Local hormone that enters interstitial fluid but affects only neighboring cells. Potent and secreted in small amounts, only when needed. They break down quickly. 
 
What hormones are secreted by the anterior pituitary gland? - ACTH-Adrenocorticotropic hormone. 
FSH-Follicle-stimulating hormone. 
GH...
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- Exam (elaborations)
- • 8 pages •
What are the functions of the endocrine system? - controls - reproduction, metabolism, growth/development, fluid/electrolyte balance, resistance to stress 
 
What are paracrine secretions? Traits? - Local hormone that enters interstitial fluid but affects only neighboring cells. Potent and secreted in small amounts, only when needed. They break down quickly. 
 
What hormones are secreted by the anterior pituitary gland? - ACTH-Adrenocorticotropic hormone. 
FSH-Follicle-stimulating hormone. 
GH...
BIO 169 Exam 1 Study Questions and Answers Graded A 2024
Which of the following are important sources of resistance to blood flow? - All of the Above 
 
A _________ allows an organ to recieve blood from more then one arterial source or drain blood into more then one vein. - vascular anastomoses 
 
Arteries can be best defined as - vessels that carry blood away from the heart. 
 
A decrease in hematocrit will result in a decrease in ____________ resulting in a decrease in blood pressure. - blood viscosity 
 
The systolic pressure - all of the above 
 
...
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- • 8 pages •
Which of the following are important sources of resistance to blood flow? - All of the Above 
 
A _________ allows an organ to recieve blood from more then one arterial source or drain blood into more then one vein. - vascular anastomoses 
 
Arteries can be best defined as - vessels that carry blood away from the heart. 
 
A decrease in hematocrit will result in a decrease in ____________ resulting in a decrease in blood pressure. - blood viscosity 
 
The systolic pressure - all of the above 
 
...
BIO 169 Final Exam Questions for Review Graded A 2024
What are the characteristics of an endocrine gland? - -Composed of secretory endocrine cells derived from an epithelium that is supported by a connective tissue framework. 
-extensive blood supply 
 
What is unique about thyroid hormone? - -it has a large concentration of iodide. 
-it is neither a protein or cholesterol based, they incorporate iodine as a active constituent 
-it has two forms (T3 (most active) & T4) 
 
How do lipid-soluble hormones exert their impact on cells? - being lipophilic...
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- Exam (elaborations)
- • 12 pages •
What are the characteristics of an endocrine gland? - -Composed of secretory endocrine cells derived from an epithelium that is supported by a connective tissue framework. 
-extensive blood supply 
 
What is unique about thyroid hormone? - -it has a large concentration of iodide. 
-it is neither a protein or cholesterol based, they incorporate iodine as a active constituent 
-it has two forms (T3 (most active) & T4) 
 
How do lipid-soluble hormones exert their impact on cells? - being lipophilic...
BIO 169 Exam 2 Study Questions and Answers with Complete Solutions Graded A 2024
Functions of the Circulatory system - Transport - RBCs & plasma 
Protection - WBC 
Regulation - Plasma 
 
Components of the Circulatory system - Heart, blood, blood vessels 
 
Physical properties and components of blood - liquid connective tissue consisting of cells and extracellular matrix 
-plasma (matrix of blood) 
-formed elements (RBCs, WBCs, platelets. 
 
Leukoctyes are also known as - White blood cells 
 
Erythroctyes are also known as - Red blood cells 
 
Neutrophil (granuloctye) - - mos...
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- Exam (elaborations)
- • 19 pages •
Functions of the Circulatory system - Transport - RBCs & plasma 
Protection - WBC 
Regulation - Plasma 
 
Components of the Circulatory system - Heart, blood, blood vessels 
 
Physical properties and components of blood - liquid connective tissue consisting of cells and extracellular matrix 
-plasma (matrix of blood) 
-formed elements (RBCs, WBCs, platelets. 
 
Leukoctyes are also known as - White blood cells 
 
Erythroctyes are also known as - Red blood cells 
 
Neutrophil (granuloctye) - - mos...
BIO 169 - Test 6: Pregnancy and Development Exam Questions and Answers Graded A
What is development? - The gradual modification of anatomical structures and physiological characteristics during the period from fertilization to maturity. 
 
What is fertilization? - Fertilization occurs when genetic material in sperm combines with that of a secondary oocyte to form a diploid zygote, first cell of the new individual cell of the new individual. 
 
Prenatal development is called.. - gestation. 
 
The first two months are called... - Embryological development 
 
Month 2-9 are cel...
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- Exam (elaborations)
- • 6 pages •
What is development? - The gradual modification of anatomical structures and physiological characteristics during the period from fertilization to maturity. 
 
What is fertilization? - Fertilization occurs when genetic material in sperm combines with that of a secondary oocyte to form a diploid zygote, first cell of the new individual cell of the new individual. 
 
Prenatal development is called.. - gestation. 
 
The first two months are called... - Embryological development 
 
Month 2-9 are cel...
BIO 169 Exam 2: The Cardiovascular System Exam Questions and Answers 2024
The heart is about the size of a ____. - fist 
 
The heart is enclosed in a double-walled sac called the _____. - pericardium 
 
The heart wall is composed of _____ layers. - 3 
 
The _____ forms the bulk of the heart, and is the actual contractile layer (layer that contracts). - myocardium 
 
The ____ lines the heart chambers and covers the connective tissue skeleton of the valves. - endocardium 
 
The ____ forms most of the anterior surface of the heart. - left ventricle 
 
The atria have ____...
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- • 4 pages •
The heart is about the size of a ____. - fist 
 
The heart is enclosed in a double-walled sac called the _____. - pericardium 
 
The heart wall is composed of _____ layers. - 3 
 
The _____ forms the bulk of the heart, and is the actual contractile layer (layer that contracts). - myocardium 
 
The ____ lines the heart chambers and covers the connective tissue skeleton of the valves. - endocardium 
 
The ____ forms most of the anterior surface of the heart. - left ventricle 
 
The atria have ____...
BIO 169 Test 6-- Reproductive Systems, Pregnancy Development, Inheritance and Genetics Exam Guide 2024
male and female reproductive systems work together to - procreate 
 
production of offspring ensures - survival of species 
 
reproductive system of both sexes includes - gonads and accessory organs 
 
organs responsible for production of gametes and hormones and accessory organs - gonads 
 
male gonads are - testes 
 
female gonads are - ovaries 
 
ductus deferens, seminal glands/vesicles, prostate gland, urethra, epididymides, external genitalia (penis and scrotum) are all - male accessory org...
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- • 37 pages •
male and female reproductive systems work together to - procreate 
 
production of offspring ensures - survival of species 
 
reproductive system of both sexes includes - gonads and accessory organs 
 
organs responsible for production of gametes and hormones and accessory organs - gonads 
 
male gonads are - testes 
 
female gonads are - ovaries 
 
ductus deferens, seminal glands/vesicles, prostate gland, urethra, epididymides, external genitalia (penis and scrotum) are all - male accessory org...
Bio 169- Anatomy and Physiology I: Final Exam Questions and Answers 2024
What characteristic of life involves the removal of waste products that result from metabolic processes? - excretion 
 
What is the smallest level of structural organization in the human body? - chemical level 
 
In laboratory, you will study tissues. This area of study is known as: - histology 
 
Which organ system produces movement and generates heat? - muscular system 
 
What part of a feedback loop causes physiological responses to return the variable to the normal homeostatic range? - effec...
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- • 14 pages •
What characteristic of life involves the removal of waste products that result from metabolic processes? - excretion 
 
What is the smallest level of structural organization in the human body? - chemical level 
 
In laboratory, you will study tissues. This area of study is known as: - histology 
 
Which organ system produces movement and generates heat? - muscular system 
 
What part of a feedback loop causes physiological responses to return the variable to the normal homeostatic range? - effec...
BIO 169 Exam 3 Study Questions and Answers Graded A 2024
Volume of air in one quiet breath - tidal volume 
 
warms, humidifies, cleanses air; detects odor, voice amplification - the nose 
 
little horn looking cartilage in the larynx - corniculate cartilage 
 
the sum of the anatomical and pathological dead space - physiological dead space 
 
______ and _______ insures air contacts mucus membranes - narrowness and turbulance 
 
this rotates the corniculate and arytenoid cartilages, changes the pitch of sound - deep intrinsic muscles (infrahyoid group)...
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- Exam (elaborations)
- • 24 pages •
Volume of air in one quiet breath - tidal volume 
 
warms, humidifies, cleanses air; detects odor, voice amplification - the nose 
 
little horn looking cartilage in the larynx - corniculate cartilage 
 
the sum of the anatomical and pathological dead space - physiological dead space 
 
______ and _______ insures air contacts mucus membranes - narrowness and turbulance 
 
this rotates the corniculate and arytenoid cartilages, changes the pitch of sound - deep intrinsic muscles (infrahyoid group)...
BIO 169 TEST 5: acid-base balance 2024
intracellular fluid compartment make up _____ of total body water & consist of? - 2/3 total body water 
 
consists of fluid bound by cell membranes 
 
extracellular fluid compartment makes up ____ of total body water & consists of? - 1/3 total body water 
 
consists of water outside of cells (plasma & interstitial fluid) 
 
INCREASED ECF osmotic pressure causes water to move where? 
 
make the size of the cell? - water is pulled FROM intracellular spaces 
 
cells SHRINK 
 
DECREASED ECF osmotic...
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- • 3 pages •
intracellular fluid compartment make up _____ of total body water & consist of? - 2/3 total body water 
 
consists of fluid bound by cell membranes 
 
extracellular fluid compartment makes up ____ of total body water & consists of? - 1/3 total body water 
 
consists of water outside of cells (plasma & interstitial fluid) 
 
INCREASED ECF osmotic pressure causes water to move where? 
 
make the size of the cell? - water is pulled FROM intracellular spaces 
 
cells SHRINK 
 
DECREASED ECF osmotic...
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