Bio unit 4 review
what is diabietes
failure of cells to obtain sugar from the bloodstream
A heart attack happens when veins that supply the heart with oxygen are blocked
false
T/F: All types of muscle tissue have interactions between actin and fibrin
false
T/F: Chemical digestion utilizes physical actions to break down food
false
T/F: Homeostasis is maintained by a positive feedback loop
false
The purpose of dialysis treatments is to replenish oxygen in the bloodstream
false
The role of the epithelium is to protect the body from the internal environment
false
main role of kidneys
filter blood and remove toxins from it
The pulmonary circuit specifically circulates blood ________.
from the heart to the lungs
The systemic circuit specifically circulates blood ________.
from the heart to the rest of the body
Which of the following groups of senses utilize Mechanoreceptors to send signals to the brain?
hearing and touch
The maintenance of blood sugar levels in the blood stream of a constant level is a type of
homeostasis
Which of the following are NOT a type of Connective Tissue
muscle
What carries a signal from one neuron to the next?
neurotransmitter
Which of the following sensory receptors helps us feel pain?
nociceptors
What is the correct hierarchy of organization, from biggest to smallest, in your body?
organism, organ system, organ, tissue, cell
RBC's make up the ____ component of blood
packed cells
Which accessory organ's secretions neutralize stomach acid before it reaches the intestines?
pancreas
The main role of the liver is to ________.
produce bile, which helps the process of digestion
__ photoreceptors are highly sensitive to light, whereas __ are sensitive to color
rods, cones
Most of the absorption of nutrients (besides water) takes place in the ________.
small intestine
what part of the kidney is urine formed
the nephron
Choose the defining characteristic of all arteries.
they only carry blood away from the heart
An Action Potential is The electric signal used by neurons to transfer information
true
An autoimmune disease is one in which the hosts own immune system attacks itself
true
Platelets and Fibrin are necessary for blood clotting
true
T/F: Capillaries are the thinnest blood vessels
true
T/F: Homeostasis is the maintaining a steady-state internal environment, despite a changing external environment
true
T/F: Osteoporosis is caused by a calcium deficiency in your bones
true
T/F: Peristalsis moves food down your GI tract regardless of gravity
true
The main role of Red Blood Cells is to carry oxygen
true
The main role of White Blood cells is to fight infection
true
The main role of the peripheral nervous system is to convey information to and from the CNS
true
Veins carry blood low in oxygen and high in carbon dioxide
true
antibodies are a component of your adaptive immune system
true
What type of diabetes is caused by a lack of insulin production by the pancreas?
type 1
What is the name of the tubes that run from the kidneys to the bladder?
ureters
which of the following treatments prevents viral infection by priming the immune system
vaccine
What would happen if a sensory neurons could not transmit a signal?
you could move but not be able to feel touch
Select the correct sequence for the pathway of blood through the heart.
Body → RA → RV → Lungs → LA → LV → Body
how is diabetes linked with homeostasis
Diabetes results from the body not responding with a negative feedback
An example of a connective tissue is the
blood
The main role of the large intestine is to ________.
absorb water
Exchange between the respiratory and circulatory systems occur in the
alveoli
____ refers to the structure of a body part, while ____ refers to the function
anatomy; physiology
which type of white blood cells produce antibodies
B Cells
____ cells initiate immune response and call on other immune cells to fight a foreign infection
T
what is the role of the villi
To increase surface area of digestive tract for greater efficiency
