Bio final 2
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What is the order of events for keeping blood sugar (glucose) levels stable?
- 1st The body absorbs food molecules after eating.
- 2nd The levels of glucose in the blood rise
- 3rd The liver removes glucose from the blood.
- 4th As the body uses glucose for energy, the liver releases stored glucose into the blood.
When a doctor suggests a diet low in saturated fates, which products are preferred
- UNSTURATED FATS (oils with double bonds between their carbons)
- Ex. olive oil
Simple sugars bond to form starches...which monomers bond to form proteins?
Which process (in the kidney) removes both wastes AND useful substances from the
Where in the nephron does filtration occur?
What is a positive urine test for diabetes?
URINE HAS HIGH LEVELS OF GLUCOSE
Which part of the nervous system controls heartrate?
When you text, you are using motor neurons from which part of the nervous system?
SOMATIC (Voluntary) Nervous System
Which structure carries impulses away from the cell body?
AXON (be able to identify the axon on a diagram of the neuron)
How does the brain react to the excess dopamine levels caused by drug addiction?
IT REDUCES THE NUMBER OF RECEPTORS FOR DOPAMINE
Which part of the brain tells you that you are hungry?
What happens when thin filaments move over thick filaments?
THE MUSCLE CONTRACTS
-How does exercise effect muscles?
- IT INCREASES MUSCLE TONE
- IT INCREASES THE EFFECIENCY OF THE HEART.
- IT CAUSES MUSCLES TO VISIBLY INCREASE IN SIZE
Which type of muscle can contract without stimulation from the nervous system?
SMOOTH & CARDIAC MUSCLES
Why are antibiotics often used to cure acne?
TO KILL BACTERIA TRAPPED IN PORES
What are hives?
- FLUID FROM BLOOD VESSELS OOZING INTO SURROUNDING TISSUES AND
- CAUSING SWELLING
Why is cartilage important?
IT ACTS AS A CUSHION BETWEEN BONES
What is the correct direction of flow on the right side of the heart?
RIGHT ATRIUM -> RIGHT VENTRICLE ->PULMONARY ARTERY
2-What is the correct direction of flow through the major blood vessels?
ARTERIES ->. CAPILLARIES -> VEINS
What is the condition when blood flow is blocked in the brain?
Which arteries supply the heart muscle with oxygen?
When you take a deep breath which large muscle is contracting?
How does movement of the rib cage change air pressure in the chest cavity/pleural
- RIB CAGE MOVES UP, PRESSURE IN THE CHEST CAVITY DECREASES, AIR
- RUSHES IN
Can a B-cell attack more than one type of pathogen?
NO THEY ARE PATHOGEN-SPECIFIC
What is an example of active immunity?
- A PERSON DEVELOPING ANTIBODIES TO A VACCINE (ex. measles or HPV
What causes allergies?
MAST CELLS RELEASE HISTAMINES
What causes inflammation?
PAIN, SWELLING, FEVER
What causes autoimmune diseases?
THE BODY CANNOT DISTINGUISH SELF FROM NONSELF (It attacks itself)
What would you like to do?
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