UST Book Four

Question 1

attaches 11 cis retinal to rhodopsin

Answer 1

e amino group of lysine 296 of the 7th helix

Question 2

absence of iodopsin, green pigment

Answer 2

DEUTERANOPIA

Question 3

absence of protoporphyrin, red pigment

Answer 3

PROTANOPIA

Question 4

absence of cyanopsin

Answer 4

TRITANOPIA

Question 5

Gene rhodopsin

Answer 5

chromosome 3

Question 6

Gene blue pigment

Answer 6

chromosome 7

Question 7

Gene red and green pigment

Answer 7

chromosome 10

Question 8

Most important intermediate of rhodopsin making up series of events….

Answer 8

METARHODOPSIN II

Question 9

What transducin does

Answer 9

Activates PDE, decreases CGMP so that the Na-Ca will close (hyperpolarization)

Question 10

1 photon absorbed by rhodopsin hyperpolarizes the rod cell membrane by

Answer 10

1 mv

Question 11

Largest protein the body
role in relaxation
from z line to m line

Answer 11

TITIN

Question 12

Protein from z line along the length of actin filaments

Answer 12

NEBULIN

Question 13

Anchors actin to Z lines

Stabilizes actin filaments

Answer 13

a ACTININ

Question 14

osteoclast exposure to calcitonin

Answer 14

shrinkage of osteoclasts

decreased bone resorbing activity

Question 15

Mutation in COL1A1 and COL1A2

Answer 15

Osteogenesis imperfecta

abn fragility of bones

Question 16

Deficiency of carbonic anhydrase II in RTA

normal bone resorption does not occur due to lack of H to neutralize the OH produced inside the cell

Answer 16

Osteopetrosis
Marble bone disease
Albes Schonberg disease

Question 17

Odoreant peanut

Answer 17

benzaldehyde

Question 18

Total caloric intake

Answer 18

1.14 g/kg DBW/day or 67/day

Question 19

only absolutely essential fatty acid

Answer 19

LINOLEIC ACID (omega 6)

Question 20

Recommended intake PUFA

Answer 20

3%

Question 21

Where FRUCTOKINASE is found and metabolizes fructose to____

Answer 21

Liver and Kidney (TAKE NOTE)

Fruc 1- P

Question 22

Vitamin destroyed when in contact with randcid fats, lead, iron

Answer 22

vit E

Question 23

VItamin that requires bile and pancreatic juice for absorption

Answer 23

Vit K

Question 24

Enzyme found in uncooked free water fish and shellfish that destroys 50% of thiamin

Answer 24

THIAMINASE

Question 25

Vitamin disintegrates in the presence of alkali and UV light

Answer 25

RIBOFLAVIN

Question 26

Cheilosis

Answer 26

B2 deficiency

Question 27

Deficiency of this vitamin can cause hypothyroidism

Answer 27

VITAMIN B2 (riboflavin) cos of flavokinase (regulates thyroxine)

Question 28

This vitamin can be synthesized from Trp

Answer 28

Niacin

Question 29

Vit plays a role in PMS

Answer 29

Vit B6

Question 30

``` Vit plays a role in synthesis of Serine Glycine Methionine Histidine ```

Answer 30

Folic acid

Question 31

This vitamin no deficiency | constituent of Coenzyme A

Answer 31

PANTOTHENIC ACID

Question 32

Mineral "glucose tolerance factor" | involved in function of insulin

Answer 32

CHROMIUM

Question 33

First clinical sign Vit A def

Answer 33

XEROSIS CONJUNCTIVAE | severe dryness of conjunctiva

Question 34

special type of dermatitis seen in Vit A def

Answer 34

phrynoderma/ follicular hyperkeratosis

Question 35

Vit A deficiency wherein skin dry with branny desquamation

Answer 35

Xerosis

Question 36

Vit A deficiency cornea becomes soft and gelatinous

Answer 36

Keratomalacia