Formative

Question 1

What day does implantation occur?

Answer 1

Day 6-12

Question 2

What day does the primitive streak form?

Answer 2

Day 14-15

Question 3

What day does gastrulation commence?

Answer 3

Day 16-17

Question 4

When does the closure of neural tube start and finish?

Answer 4

Starts day 22 completed by day 28

Question 5

When do limb buds commence formation?

Answer 5

4th week around day 29

Question 6

What occurs in G1?

Answer 6

Cell contents duplicates, excluding chromosomes

Question 7

What occurs in metaphase?

Answer 7

Chromosomes assemble in the middle of the spindle

Question 8

What occurs in S phase?

Answer 8

DNA synthesis replicates genetic material

Question 9

What occurs in G2 phase?

Answer 9

Assembly of cytoplasmic material necessary for mitosis and cytokinesis to occur

Question 10

What occurs in anaphase?

Answer 10

Centromeres divide and sister chromates on each chromosome are pulled apart and move to opposite ends of the cells

Question 11

What is secreted in response to decreased serum calcium and/or increased serum phosphate?

Answer 11

Parathyroid hormone

Question 12

What is secreted in response to decreased intra renal blood pressure in juxtaglomerular cells, or decreased delivery of sodium and chloride ions to the macula densa?

Answer 12

Renin

Question 13

What is secreted in hypoxia in renal circulation?

Answer 13

Erythropoietin

Question 14

What is released in response to increased plasma renin, angiotensin II or potassium levels?

Answer 14

Aldosterone

Question 15

What is secreted in response to increased plasma osmolality?

Answer 15

Vasopressin

Question 16

What carries 23 chromosomes?

Answer 16

Gametes including spermatids

Question 17

What cells secrete inhibin?

Answer 17

Sertoli cells

Question 18

Which cells secrete testosterone?

Answer 18

Leydig cells

Question 19

What forms the blood tests barrier?

Answer 19

Sertoli cells

Question 20

What differentiates into a mature sperm?

Answer 20

Spermatids

Question 21

What is the pathway of spermatogenesis?

Answer 21

Spermatogonia - primary spermatocytes - secondary spermatocytes - spermatids

Question 22

What is a short lived phagocyte involved in acts of inflammatory response to bacteria?

Answer 22

Neutrophil

Question 23

What a long lived phagocyte found in most responses?

Answer 23

Macrophage

Question 24

What is a specialised antigen presenting cell most important in primary immune response?

Answer 24

Dendritic cell

Question 25

What s a lymphocyte without antigen specific receptors that is important in immunity to viruses?

Answer 25

Natural killer cells

Question 26

What is a peripheral blood precursor of long lived phagocytic cells?

Answer 26

Monocytes

Question 27

What is regulated by dopamine?

Answer 27

Prolactin

Question 28

What has a critical role in spermatogenesis from spermatocytes in the Sertoli cells of the testis in males?

Answer 28

FSH

Question 29

What has a critical role in stimulating testosterone production from leydig cells?

Answer 29

LH

Question 30

What triggers ovulation but also initiates the conversion of the residual follicle in the corpus luteum?

Answer 30

LH

Question 31

What is the hormone produced by the corpus luteum that helps prepare the endometrium for a possible implantation?

Answer 31

Progesterone