BIO 253 - EXAM 1 QUESTIONS AND
ANSWERS 100% CORRECT.
Anatomy - ANSWERStructure
Physiology - ANSWERFunction
Level of organization in the body - ANSWER- Atom
- Molecule
- Macromolecule
- Cell
- Tissue
- Organ
- Organ system
- Organism
Homeostasis - ANSWERMaintenance of a stable internal environment
Negative feedback - ANSWER- Most common in body
- Effectors return conditions to normal
- Shuts off when normal state is reached, counters/corrects something
- Long-lived
- Think furnace thermostat
- BP, glucose, temp, hormones
Positive feedback - ANSWER- Change is intensified, keeps stimulating until
homeostasis is reached
- Can produce unstable conditions in the beginning
- Short-lived
- Labor, blood clotting, sneezing
Axial skeleton - ANSWER- Head, neck, trunk
- Down the middle
Appendicular skeleton - ANSWER- Limbs, girdles
- Peripherals
Diaphragm - ANSWER- Separates thoracic & abdominopelvic cavities
- Smooth muscle
- Breathing
Mediastinum - ANSWER- Space between lungs
- Houses heart
,Serous membranes - ANSWER- Line closed cavities
- Visceral
- Parietal
Visceral membranes - ANSWERCover organs
Parietal membranes - ANSWERLine the cavities
Serous fluids - ANSWERSeparates membranes
Pleura - ANSWERLungs
Pericardium - ANSWERHeart
Peritoneum - ANSWERGI tract
Integumentary system - ANSWER- Skin, hair, nails, glands
- Produces Vitamin D
- Sensory, protection, temp regulation
Skeletal system - ANSWER- Bones
- Support
Muscular system - ANSWER- Muscles
- Movement, posture, heat
Nervous system - ANSWER- Neurotransmitters
- Nerve impulses
- Yellow
- Fast transmission of messages
- Short-lived
Endocrine system - ANSWER- Chemical messengers called hormones
- Slow transmission of messages
- Long-lived
Cardiovascular system - ANSWER- Heart, blood vessels
- Transport
Lymph system - ANSWER- Lymph, lymph nodes, spleen
- Green
- Defensive
Digestive system - ANSWER- Break down food
- Excrete wastes
, Respiratory system - ANSWER- Lungs
- Gas exchange of O2 & CO2
Urinary system - ANSWER- Kidneys, ureters, bladder, urethra
- Removal of blood wastes
- Regulates H2O, electrolytes, BP
Reproductive system - ANSWER- Offspring
- Transport of sex cells
- Production of hormones
Anatomical position - ANSWERTo stand erect facing forward with arms at the sides and
palms of the hands turned forward with feet flat on the floor
Anterior/Ventral - ANSWERFront
Posterior/Dorsal - ANSWERBack
Superior - ANSWERTop
Inferior - ANSWERBottom
Medial - ANSWERMiddle
Lateral - ANSWERAway from the midline
Bilateral - ANSWERBoth sides
Ipsilateral - ANSWERSame side
Contralateral - ANSWEROpposite side
Proximal - ANSWERCloser to the point of attachment
Distal - ANSWERAway from the point of attachment
Superficial - ANSWERNear the surface
Deep - ANSWERAway from the surface
Sagittal plane - ANSWERDivides body into left and right
Transverse plane - ANSWERDivides body into top and bottom
Coronal plane - ANSWERDivides body into front and back
ANSWERS 100% CORRECT.
Anatomy - ANSWERStructure
Physiology - ANSWERFunction
Level of organization in the body - ANSWER- Atom
- Molecule
- Macromolecule
- Cell
- Tissue
- Organ
- Organ system
- Organism
Homeostasis - ANSWERMaintenance of a stable internal environment
Negative feedback - ANSWER- Most common in body
- Effectors return conditions to normal
- Shuts off when normal state is reached, counters/corrects something
- Long-lived
- Think furnace thermostat
- BP, glucose, temp, hormones
Positive feedback - ANSWER- Change is intensified, keeps stimulating until
homeostasis is reached
- Can produce unstable conditions in the beginning
- Short-lived
- Labor, blood clotting, sneezing
Axial skeleton - ANSWER- Head, neck, trunk
- Down the middle
Appendicular skeleton - ANSWER- Limbs, girdles
- Peripherals
Diaphragm - ANSWER- Separates thoracic & abdominopelvic cavities
- Smooth muscle
- Breathing
Mediastinum - ANSWER- Space between lungs
- Houses heart
,Serous membranes - ANSWER- Line closed cavities
- Visceral
- Parietal
Visceral membranes - ANSWERCover organs
Parietal membranes - ANSWERLine the cavities
Serous fluids - ANSWERSeparates membranes
Pleura - ANSWERLungs
Pericardium - ANSWERHeart
Peritoneum - ANSWERGI tract
Integumentary system - ANSWER- Skin, hair, nails, glands
- Produces Vitamin D
- Sensory, protection, temp regulation
Skeletal system - ANSWER- Bones
- Support
Muscular system - ANSWER- Muscles
- Movement, posture, heat
Nervous system - ANSWER- Neurotransmitters
- Nerve impulses
- Yellow
- Fast transmission of messages
- Short-lived
Endocrine system - ANSWER- Chemical messengers called hormones
- Slow transmission of messages
- Long-lived
Cardiovascular system - ANSWER- Heart, blood vessels
- Transport
Lymph system - ANSWER- Lymph, lymph nodes, spleen
- Green
- Defensive
Digestive system - ANSWER- Break down food
- Excrete wastes
, Respiratory system - ANSWER- Lungs
- Gas exchange of O2 & CO2
Urinary system - ANSWER- Kidneys, ureters, bladder, urethra
- Removal of blood wastes
- Regulates H2O, electrolytes, BP
Reproductive system - ANSWER- Offspring
- Transport of sex cells
- Production of hormones
Anatomical position - ANSWERTo stand erect facing forward with arms at the sides and
palms of the hands turned forward with feet flat on the floor
Anterior/Ventral - ANSWERFront
Posterior/Dorsal - ANSWERBack
Superior - ANSWERTop
Inferior - ANSWERBottom
Medial - ANSWERMiddle
Lateral - ANSWERAway from the midline
Bilateral - ANSWERBoth sides
Ipsilateral - ANSWERSame side
Contralateral - ANSWEROpposite side
Proximal - ANSWERCloser to the point of attachment
Distal - ANSWERAway from the point of attachment
Superficial - ANSWERNear the surface
Deep - ANSWERAway from the surface
Sagittal plane - ANSWERDivides body into left and right
Transverse plane - ANSWERDivides body into top and bottom
Coronal plane - ANSWERDivides body into front and back
