Bio unit 4 review

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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


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