NUR 631 Midterm Complete Exam
Study Questions with 100% Correct
Answers | Brand New Version
1. what must polar charged molecules use to cross the bilayer? - ANSWER
carriers, proteins or pumps
2. what is facilitated diffusion? - ANSWER diffusion (high concentration to
low concentration) but with transmembrane proteins
3. What is a GLUT protein transporter to transport glucose an example of? -
ANSWER Facilitated diffusion
4. Uses combined effects of concentration and electrical gradients - ANSWER
Electrochemical gradient
5. What kind of cellular receptor is the sodium potassium pump? - ANSWER
Na K Pump
6. The three types of carrier proteins are - ANSWER Symporter, antiporter
and uniporter
7. Moves molecules against concentration gradient using energy - ANSWER
Primary active transport
,8. Uses primary active transport as a tool - ANSWER secondary active
transport
9. resting membrane potential - ANSWER -70mV
10.Action potential steps: - ANSWER 1. resting potential
2. sodium rushes into cell (depolarization)
3. absolute refractory point is hit
4. potassium rushes out of cell to lower concentration (repolarization)
5. Na K pump pumps out 3 Na and 2 K to restore RMP
11.Cell signaling occurs through three methods: - ANSWER Gap junctions
Cell to cell (antigen presentation)
Ligand (vesicles)
12.Ligands can be one of three: - ANSWER Autocrine, paracrine, synaptic
13.intercellular channels that permit cell to cell transfer of ions and molecules -
ANSWER gap junctions
14.Gap junctions found often in which type of cells? - ANSWER cells where
synchronized functions occur: Cardiac cells, vascular tone and peristalsis
15.What do proteins do? - ANSWER made up of amino acids, execute most
membrane functions including transport and signal transduction
,16.When does cell replication occur? - ANSWER -Protein mitogens and
growth hormone regulated
-when factors are favorable
17.Stages of Mitosis (PMAT) - ANSWER prophase, metaphase, anaphase,
telophase
18.The PT time and INR measure what? - ANSWER extrinsic pathway
19.The extrinsic pathway is initiated by - ANSWER tissue factor III
20.Breast cancer in women who have the breast cancer gene - ANSWER
occurs at an earlier age
21.Which leukemia demonstrates the Philedelphia chromosome? - ANSWER
CML
22.Which leukemia has the best prognosis? - ANSWER ALL
23.What causes a hypermetabolic state leading to cachexia? - ANSWER TNF
(tumor necrosis factor)
24.What are proto-onocogenes? - ANSWER Normal cellular genes that
promote growth
25.What is the major cause of death from leukemic disease? - ANSWER
Infection
, 26.The primary source of erythropoietin is... - ANSWER The kidney
27.What is the largest cyctoplasmic organelle? - ANSWER Nucleus
28.Which organelle contains the DNA? - ANSWER Nucleus
29.Where is the nucleolus?****** - ANSWER In the nucleus
30.Where is RNA stored?******* - ANSWER Nucleolus
31.What is known as the GI tract of the cell and is coated with ribosomes? -
ANSWER Rough endoplasmic reticulum
32.What do the ribosomes do? - ANSWER Make proteins
33.Abundant in the muscle for calcium release - ANSWER Smooth ER
34.Which organelle stores calcium and detoxes alcohol from the cell? ****** -
ANSWER Smooth ER
35.Which organelle is responsible for folding proteins and has cisternae? -
ANSWER Golgi apparatus
36.Which organelle is the garbage collector and uses enzymes to digest cellular
waste? - ANSWER Lysosomes
Study Questions with 100% Correct
Answers | Brand New Version
1. what must polar charged molecules use to cross the bilayer? - ANSWER
carriers, proteins or pumps
2. what is facilitated diffusion? - ANSWER diffusion (high concentration to
low concentration) but with transmembrane proteins
3. What is a GLUT protein transporter to transport glucose an example of? -
ANSWER Facilitated diffusion
4. Uses combined effects of concentration and electrical gradients - ANSWER
Electrochemical gradient
5. What kind of cellular receptor is the sodium potassium pump? - ANSWER
Na K Pump
6. The three types of carrier proteins are - ANSWER Symporter, antiporter
and uniporter
7. Moves molecules against concentration gradient using energy - ANSWER
Primary active transport
,8. Uses primary active transport as a tool - ANSWER secondary active
transport
9. resting membrane potential - ANSWER -70mV
10.Action potential steps: - ANSWER 1. resting potential
2. sodium rushes into cell (depolarization)
3. absolute refractory point is hit
4. potassium rushes out of cell to lower concentration (repolarization)
5. Na K pump pumps out 3 Na and 2 K to restore RMP
11.Cell signaling occurs through three methods: - ANSWER Gap junctions
Cell to cell (antigen presentation)
Ligand (vesicles)
12.Ligands can be one of three: - ANSWER Autocrine, paracrine, synaptic
13.intercellular channels that permit cell to cell transfer of ions and molecules -
ANSWER gap junctions
14.Gap junctions found often in which type of cells? - ANSWER cells where
synchronized functions occur: Cardiac cells, vascular tone and peristalsis
15.What do proteins do? - ANSWER made up of amino acids, execute most
membrane functions including transport and signal transduction
,16.When does cell replication occur? - ANSWER -Protein mitogens and
growth hormone regulated
-when factors are favorable
17.Stages of Mitosis (PMAT) - ANSWER prophase, metaphase, anaphase,
telophase
18.The PT time and INR measure what? - ANSWER extrinsic pathway
19.The extrinsic pathway is initiated by - ANSWER tissue factor III
20.Breast cancer in women who have the breast cancer gene - ANSWER
occurs at an earlier age
21.Which leukemia demonstrates the Philedelphia chromosome? - ANSWER
CML
22.Which leukemia has the best prognosis? - ANSWER ALL
23.What causes a hypermetabolic state leading to cachexia? - ANSWER TNF
(tumor necrosis factor)
24.What are proto-onocogenes? - ANSWER Normal cellular genes that
promote growth
25.What is the major cause of death from leukemic disease? - ANSWER
Infection
, 26.The primary source of erythropoietin is... - ANSWER The kidney
27.What is the largest cyctoplasmic organelle? - ANSWER Nucleus
28.Which organelle contains the DNA? - ANSWER Nucleus
29.Where is the nucleolus?****** - ANSWER In the nucleus
30.Where is RNA stored?******* - ANSWER Nucleolus
31.What is known as the GI tract of the cell and is coated with ribosomes? -
ANSWER Rough endoplasmic reticulum
32.What do the ribosomes do? - ANSWER Make proteins
33.Abundant in the muscle for calcium release - ANSWER Smooth ER
34.Which organelle stores calcium and detoxes alcohol from the cell? ****** -
ANSWER Smooth ER
35.Which organelle is responsible for folding proteins and has cisternae? -
ANSWER Golgi apparatus
36.Which organelle is the garbage collector and uses enzymes to digest cellular
waste? - ANSWER Lysosomes
