MCQ 2016

Question 1

Merkel’s cell in oral mucosa

Answer 1

Touch

Question 2

Fate of calcium and phosphate

Answer 2

form bioapatite

Question 3

What happen in oral cavity when critical pH is obatined?

Answer 3

Dissolution of enamel, susceptible to caries , low mineral content

Question 4

Both lip and alveolus cleft involves

Answer 4

Medial nasal process,, maxillary process and palatine shelves

Question 5

Mr A bit something hard and stopped chewing. Which reflex action is involved?

Answer 5

Jaw unloading reflex. The reflex inhibition of the muscles of mastication which occurs when food or other material between the jaws suddenly breaks or collapses and which helps stop the jaws forcefully coming together.

Question 6

Mr B has ulcer on his lower lip, which alphabet is difficult to articulate?

Answer 6

F

Question 7

Log Pka

Answer 7

shows the strength of acid

Question 8

Common structure of cell membrane

Answer 8

Exclusively made up of phospholipids

Question 9

Haemoglobin structure

Answer 9

made up of 2 alpha, 2 beta

Question 10

Mutation on DNA mitochondria that lead to reduce activity of complex 1 will affect ransport of electron

Answer 10

from coenzyme Q to complex III

Question 11

LDL

Answer 11

recognised by apo-B receptor

Question 12

Enzyme involved in gluconeogenesis

Answer 12

Pyruvate carboxylase

Question 13

Which statement is true regarding nutrients?

Answer 13

People who consume food with high saturated fatty acid will have high risk of having cardiovascular disease

Question 14

Binding of atrial natriuretic peptides

Answer 14

Activate cGMP

Question 15

Blood clotting known as

Answer 15

coagulation

Question 16

Oxidative deamination

Answer 16

occurs in mitochondria

Question 17

What component that is related in conversion of uracil to thymine

Answer 17

tetrahydrofolate (THF)

Question 18

In DNA gel electrophoresis, DNA is usually visualised by using

Answer 18

ethidium bromide

Question 19

Solution has 300mmol/L urea and 150 mmol/L NaCl is

Answer 19

hyperosmotic, isotonic

Question 20

Which of the following is true regarding plasma protein and its respective function?

Answer 20

alpha globulin that transports minerals, lipids, hormones and vitamins

Question 21

Resting membrane if a neuron is

Answer 21

mainly generated by action of na-k atpase pump

Question 22

Muscle

Answer 22

Excess cortisol can cause skeletal muscle hypertrophy

Question 23

Parasympathetic differs to sympathetic nervous system

Answer 23

Contain log preganglionic neuron

Question 24

in contrast to systemic circulation, pulmonary circulation has

Answer 24

higher compliance

Question 25

Regarding O2 transport

Answer 25

PVO2 is hig than normal i cyanide poisoning

Question 26

pituitary hormone

Answer 26

ACTH is main stimulus of aldosterone

Question 27

After ingestion of food, increase in gastric motility is due to

Answer 27

Parasympathetic stimulation

Question 28

Absorption of glucose in small intestine is enhanced by

Answer 28

Presence of GLUT2 transporters in the enterocyte

Question 29

Glomerular filtration rate (GFR)

Answer 29

GFR increased when plasma oncotic pressure reduced

Question 30

Which following occur during metabolic acidosis

Answer 30

Increase blood pcO2 level

Question 31

What halpen during mid follicular phase of menstrual cycle

Answer 31

Increased oestrogen