Quiz 1 Review

Question 1

Where in the body is the most fluid?

Answer 1

Inside the cells

Question 2

Is there more chloride in the plasma or inside of the cells?

Answer 2

In the plasma

Question 3

Where is there more sodium, inside or outside of the cells?

Answer 3

outside of the cell in the interstitial space

Question 4

Where is the vast majority of potassium?

Answer 4

Intracellularly

Question 5

Where are the vast majority of phosphates?

Answer 5

Intracellularly

Question 6

What part of the cell is an electrically active cell is more positively charged?

Answer 6

Outside

Question 7

What is the normal osmolarity of 1 L of plasma?

Answer 7

290

Question 8

How much of the osmolarity of 1 L of plasma is contributed by Na+?

Answer 8

270

Question 9

What is the molecular building block that contains a sugar linked to a nitrogen containing base?

Answer 9

nucleoside

Question 10

What is an inorganic phosphate group with a sugar and a nitrogen containing base called?

Answer 10

nucleotide

Question 11

What are many nucleotides linked together forming a helical structure called?

Answer 11

nucleic acid

Question 12

What is the portion of the gene that actually codes for the protein called?

Answer 12

exon

Question 13

What is the portion of RNA that is removed after transcription and wont be involved in translation can be removed by “self-splicing” or by units of small RNA + proteins called what?

Answer 13

spliceosomes

Question 14

What is the largest lipoprotein?

Answer 14

chylomicrons

Question 15

What is the second largest lipoprotein?

Answer 15

VLDL

Question 16

What is the third largest lipoprotein?

Answer 16

IDL

Question 17

What is the fourth largest lipoprotein?

Answer 17

LDL

Question 18

What is the smallest lipoprotein?

Answer 18

HDL

Question 19

What drug class inhibits the formation of all eicosanoids?

Answer 19

Glucocorticoids

Question 20

What is one of the functions of the mitochondria?

Answer 20

regulates apoptosis and also produces ATP

Question 21

What organelle has a more acidic interior than the cytoplasm?

Answer 21

lysosomes

Question 22

What is an organelle that is formed from the endoplasmic reticulum containing oxidases?

Answer 22

peroxisomes

Question 23

What organelle is the microtubule organizing center of the cell?

Answer 23

centrosomes

Question 24

What is the name of a motor protein that tends to move towards the positively charged end of the microtubules?

Answer 24

kinesin

Question 25

What is the site of ribosome production?

Answer 25

nucleolous

Question 26

Where are most the chromosomes found?

Answer 26

nucleus

Question 27

What organelle has transport vesicles containing newly formed proteins that bud off of?

Answer 27

Golgi apparatus

Question 28

How many sodiums are pumped out of the sodium potassium ATPase pump?

Answer 28

3 sodium ions

Question 29

How many potassium are pumped into the sodium potassium ATPase pump?

Answer 29

2 potassium ions

Question 30

What form of transport is the sodium potassium ATPase pump?

Answer 30

Primary active transport

Question 31

Where is intracellular calcium primarily housed?

Answer 31

Inside of the endoplasmic retiticulum

Question 32

What is the protein pump called that takes up calcium back into the ER after it is released from the ER?

Answer 32

SERCA

Question 33

What is responsible for the activation of B cells and T cells?

Answer 33

Helper T cells

Question 34

What type of cell is a macrophage?

Answer 34

antigen presenting cell (APC)

Question 35

What is a Beta cell that is actively releasing immunoglobulins?

Answer 35

plasma cell

Question 36

What is another name for a cytotoxic t cell

Answer 36

CD8

Question 37

What are important receptors that allows the immune system to recognize pathogens?

Answer 37

Pattern recognition receptors

Question 38

Where are lymphocytes found?

Answer 38

Lymph nodes

Question 39

What is the complement system?

Answer 39

A series of proteins that when activated can cause cell lysis