Winter Mock 2021⛈

Question 1

What is na/k atlas’s and example of

Answer 1

Primary active transport

Question 2

Where does krebs occur

Answer 2

Matrix of mitochondria

Question 3

Which enzyme in krebs is involved in the production of fadh

Answer 3

Succinctly dehydrogenase

Question 4

Which type of cell are you most likely to find a perinuclear hoff

Answer 4

Plasma cell

Question 5

Regulatory hormone for platelets

Answer 5

Thrombopoetin

Question 6

Nuclei of a monocyte

Answer 6

Reniform

Question 7

What supplies the avn

Answer 7

Right coronary

Question 8

First aortic arch

Answer 8

Maxillary

Question 9

What is contained in dense granules of platelets

Answer 9

Adp and thromboxane

Question 10

What does the bulbous cord is develop into

Answer 10

Right atria

Question 11

Histology of bronchioles

Answer 11

Ciliated columnar with few goblet cells

Question 12

Function of pericilliary fluid

Answer 12

Keeps mucous at optimum distance from epithelia

Question 13

Purpose of nitric oxide test

Answer 13

Measure residual volume

Question 14

Central chemoreceptors

Answer 14

Brain stem

Question 15

Percentage SA a type 1 pneumocyte makes up

Answer 15

90

Question 16

An example of mucosa associated lymphoid tissue

Answer 16

Peyers patches

Question 17

Gold standard type of study

Answer 17

Randomised controlled trial

Question 18

Foramen ovale location

Answer 18

Left and right atria

Question 19

Define penetrance in their genetics

Answer 19

Proportion of people with a gene / gene type who show the expected phenotype e

Question 20

Where does haematpoesis occur in an adult and fetus

Answer 20

Adult - axial bone marrow

Foetus - yolk sac , liver or spleen

Question 21

Difference between adult and fetal hb

Answer 21

Adult 2 alpha 2 beta

Fetal 2 alpha 2 gamma

Question 22

Why doesn’t haematocrit change following major blood loss

Answer 22

Haematocrit is the ratio of red blood cells to blood volume ,
Ratio is unaffected because you’re losing the same ratio is rbc’s to volume

Question 23

Define fev1 and fvc

Answer 23

Fev1 forced expiration volume in one sec

Fvc- measurement of lung size, volume of air that can be forcefully omitted

Question 24

Method to measure lung capacity

Answer 24

Gas dilution

Question 25

Effects of ageing on lung

Answer 25

Less elasticity and recoil
Delayed response to hypercapnia and hypoxia
Reduced immune functions

Question 26

What do parietal cells release

Answer 26

Hcl and intrinsic factor

Question 27

Where to find g cells

Answer 27

Antrum

Question 28

Define sensitivity and specificity with screening

Answer 28

Sensitivity. - probability of person testing pos / number of people screened
Specificity - probability of a person without the disease testing negative / number of people screened