Physiology Final Possible FRQ with 100- complete solutions

Physiology Final Possible FRQ with
100% complete solutions

What are the products of glycolysis? - ANS ✔2 pyruvate, 2 ATP, 2 NADH



Where does glycolysis occur? - ANS ✔cytoplasm



What are the products of the Krebs Cycle? - ANS ✔8 NADH, 2 FADH2, 2 ATP



Where does the Krebs Cycle occur? - ANS ✔mitochondria



Which ions are high and low in the ECF? - ANS ✔high in sodium low in potassium



Which ions are high and low in the ICF? - ANS ✔high in potassium low in sodium



Characteristics of channel proteins - ANS ✔- faster

- take smaller molecules



Characteristics of carrier proteins - ANS ✔- slower

- take larger molecules



Neural control

- specificity

- nature of signal

- speed

, - duration

- stimulus intensity - ANS ✔- specificity: single target

- nature of signal: cell to cell

- speed: very rapid

- duration: short

- stimulus intensity: each signal is identical in strength



Endocrine control

- specificity

- nature of signal

- speed

- duration

- stimulus intensity - ANS ✔- specificity: depends on which cells have receptors for a hormone

- nature of signal: chemical signals secreted in the blood for distribution throughout the body

- speed: slow

- duration: long

- stimulus intensity: depends on the amount of hormones secreted



What is cascade? - ANS ✔a signal will activate a substrate and that activated substrate will
activate another substrate



What is amplification? - ANS ✔one ligand is amplified into many intracellular molecules



Why is calcium an important ion? - ANS ✔- important intracellular signal

- enters through gated channels

- creates a calcium spark