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Foundation Block A

MCQs for EBA
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katiebello
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Last updated: October 26, 2022
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First submittedOctober 26, 2022
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1. What is benefit of producing polar bodies in oogenesis?
To increase genetic variation
To remove damaged DNA
Polar bodies go on to have other uses
Preserves nutrients for other ovum
2. What is STR profiling used for?
To determine whether alleles are recessive or dominant
To find characteristics associated with a gene
For paternity tests
To test for genetic mutations
3. Which immunoglobulin would you find in saliva?
IgE
IgG
IgD
IgA
4. A macrophage is a resident version of which cell type?
Monocyte
Megakaroytype
Mast cell
Lymphocyte
5. What activates intracellular kinase domains on tyrosine kinase receptors?
Dimerisation with another TKR upon ligand binding to extracellular domain
Depolarisation of membrane
Cyclin produced in cell binding to kinase region
Depolarisation of membrane
6. Which muscle type is long lived and hard to replace?
Cardiac
Smooth
Skeletal
Diaphragm
7. What is a plasma blast?
Antibody producing matured B cell
Antigen presenting cell
Produces B cells
Produces platelets
8. What does red pulp of spleen do?
Repairs faulty red blood cells and platelets
Produces red blood cells and platelets
Disposes of old red blood cells and platelets
Helps red blood cells and platelets to mature
9. Which is an adaptive immune cell responsible for majority of cytokine production?
Macrophage
Monocyte
Natural killer cell
Helper T cell
10. Which system is most likely to be responsible for the bystander effect?
Paracrine
Juxtacrine
Endocrine
Autocrine
11. In adulthood, which bones no longer contain haematopoietic bone marrow?
Humorous
Skull
Pelvis
Sternum
12. What does adenylate cyclase do?
Activates GPCRs
Activates protein kinase A
Stimulates Ca2+ influx into cells
Phosphorylates proteins
13. Which of these might cause acidosis?
Impaired lung function
Renal acid retention
Prolonged vomiting
Hyperventilation
14. Which cells produce bone?
Chondrocytes
Chondroclasts
Osteocytes
Osteoclasts
15. Which cell type has longest lifespan?
Erythrocyte
Monocyte
Basophil
Thrombocyte
16. Which cells may be able to recognise an epitope?
B cells
Platelets
Natural killer cells
Neutrophils
17. Which is not part of positive feedback loop that causes hyperthermia?
Reduced heat loss
Lower respiratory rate
Low cardiac output
Reduced blood flow to skin
18. Which epithelial tissue is found in alveoli?
Pseudostratified columnar
Stratified squamous
Simple squamous
Simple columnar
19. Which type of connective tissue does cartilage come under?
Specialised
Loose
Dense
Embryonic
20. Which is incorrect about the possible effect of a mutation in 3' UTR on gene expression?
It could increase
There could be no change
It could decrease
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