YAY your're pregnant!! Now you have to push the little "miracle" out. How is your body going to help you during this magical time? (Hint: think feeback loop)
This is a positive feedback loop. As you are contracting your body is sending signals to release hormones to help you continue contracting.
100
Explain what happens in each phase of the cell cycle
G1- Growth, synthesizes proteins and performs tasks for the body (8-10). S- DNA replication (6-8). G2- Finishes replicating and repairs errors (4-6). M- Cell spits (1-2)
100
What does the statum granulosum look like?
Flat keratinocyes
100
What is the spongy layer in the skull called?
Dipole
100
What are the cells that make CSF? Where are they found?
Ependyma cells. Choroid plexus.
200
How is cillia different than flagella?
Flagella is longer than cillia and doesn't beat with power or recovery strokes.
200
When does DNA uncoil and return?
Telophase
200
Why do we have so many layers of skin?
The skin on the top is mostly dead so it flakes off. If we didn't have multiple layers we would be exposed to outside pathogens with the dead skin flaking off.
200
What is calcintonin? What does it do?
A hormone. Stimulated osteoblasts to decrease blood calcium levels.
200
What is the BBS permeable to?
Water, glucose, and lipid soluble substances (O2, CO2, EOH, caffeine, nicotine, and anesthetics
300
Explain the difference between primary and secondary active transport.
Primary- Moves up its gradient using ATP. Secondary- Also uses energy but doesn't rely on ATP.
300
What type of RNA carries info to the nucleus?
MRNA
300
What is cyanosis, pallor and hematoma?
Lack of oxygen (dusky blue, paleness, a bruise
300
What part of the skeleton is the skull apart of? How many bones make up the skull?
Axial, 22.
300
The thalamus processes info and relays signals to the ______
Postcentral gyrus
400
Factors that are needed to initiate cell division
DNA replication must need to be completed, sufficient cytoplasm, enough nutrients, growth factors, other cells die
400
Where are merocrine (eccrine) glands located and how are they different than the other glands in the body?
Palms, soles of feet, and forehead. They aren't connected to hair follicles
400
Which of the cartilaginous joints is bound by hyaline cartilage?
Syncondrosis
400
What are dyskinesias?
Lesions on the basal nuclei that cause movement disorders.
500
What is a semipermeable membrane?
It allows certain things through, but other things that are too big cannot pass through.
500
What is a genetic mutation? Are they good or bad?
Uncorrected errors that are passed on to the next generation. They can be good
500
What does a goblet cell produce and where are they located?
Mucous secreting cells. Simple columnar and pseudostatified columnar epithelia
500
Where is an example of a plane joint on the arm?
Carpal bones of the wrist
500
What is the difference between Wernicke's area and Brocka's area?
Broca- Understand but can't respond. Wernicke- Didnt understand