Semester 1 Mock review

Question 1

Sometimes, inherited diseases can be caused by mutations in different genes such as hypertrophic cardiomyopathy. What is the correct term for this?

Answer 1

Locus heterogeneity

Question 2

what becomes ectoderm from a three week embryo?

Answer 2

epiblasts

Question 3

which process is ATPase not involved in

Answer 3

aerobic or anaerobic glycolysis

Question 4

what percent of people have codominant supply to posterior interventricular artery?

Answer 4

20%

Question 5

which intercostal space does the nipple generally align with?

Answer 5

4th

Question 6

what is the main defence mechanism of gastric lining cells against damage from acid?

Answer 6

goblet cell mucus

Question 7

blood flow to the myocardium occurs

Answer 7

mainly during diastole

Question 8

what type of prevention is having diabetic patients come in for eye check ups?

Answer 8

secondary

Question 9

in which area of the mediastinum does the aortic arch lie?

Answer 9

superior mediastinum

Question 10

where is the transcerse pericardial sinus located?

Answer 10

posterior to ascending aorta and pulmonary trunk, anterior to superior vena cava, superior to left atrium.

Question 11

what does enterochromaffin cells secrete and what does it do?

Answer 11

histamine, stimulates acid production

Question 12

what is a common cause fo pulmonary hypertension?

Answer 12

left heart failure

Question 13

identify eosinophils

Answer 13

do it

Question 14

does the sigmoid colon have a mesentary?

Answer 14

yes

Question 15

where will pain from an inflamed gallbladder be felt in inital localised pain? which nerve supplies this area

Answer 15

epigastric region, supplied by greater splanchnic nerve

Question 16

what is glycogen an example of

Answer 16

macromolecule

Question 17

where do you listen for the pulmonary and aortic valves?

Answer 17

left of sternum (2nd intercostal space) for pulmonary, right of sternum for aortic.

Question 18

water distribution in 70kg male- intracellular/interstitial/intravascular

Answer 18

27/11/3

Question 19

what is the bodys normal response to an increase in ECF osmolality

Answer 19

release of ADH from posterior pituitary

Question 20

what are the fibrous cords that support the mitral and tricuspid valves called?

Answer 20

chordae tendinae

Question 21

what is the epiploic foramens other name?

Answer 21

foramen of winslow

Question 22

where is aldosterone synthesised

Answer 22

adrenal cortex

Question 23

prolonged exposure to acid damages teh cells of the lower oesophagus and leads to metaplasia, what is the pattern of this change?

Answer 23

stratified squamous to columnar

Question 24

the serous pericardium is made of which two layers?

Answer 24

visceral and parietal

Question 25

how long does a normal PR interval last?

Answer 25

120-200 milliseconds

Question 26

from which week is surfectant detectable in pregnancy?

Answer 26

24, start of third trimester

Question 27

at which structure does the upper airway end and the lower begin?

Answer 27

larynx

Question 28

where are the most of the enzymes in the citric acid cycle stored?

Answer 28

mitochondrial matrix

Question 29

which vessel is most likely to become occluded without symptoms?

Answer 29

right circumflex

Question 30

in the clotting cascade what is responsible for the activation of fibrinogen?

Answer 30

IIa

Question 31

which part of an ECG represents ventricular repolarisation?

Answer 31

T wave

Question 32

where do the oesophagus, aorta and IVC pass through the diaphram

Answer 32

T10, T12, T8

Question 33

what does parasympathetic stimulation cause in the lungs?

Answer 33

bronchoconstriction and vasodilation

Question 34

what forms the roof of the maxillary sinuses?

Answer 34

the floor of the orbit

Question 35

how many kcal are in one unit of alcohol?

Answer 35

56