Revision

Question 1

Plasmolysis

Answer 1

Process in which cells loose water in a hypertonic solution

Question 2

Site of obligatory reabsorption of water in the human nephron

Answer 2

Proximal convoluted tubule

Question 3

How activated complement proteins contribute to inflammatory response

Answer 3

Cause further histamine release which attracts more phagocyte cells to enter injured area and carry out additional phagocytes. This process can digest the microbes and cell debris at the site of injury

Question 4

Muscles classification according to the impulse received

Answer 4

Smooth muscles and skeletal muscles are neurogenic

Cardiac muscles are myogenic

Question 5

Enterokinase enzyme

Answer 5

Present in intestinal juice, it does not act on food. It activates trypsinogen and chymotrypsinogen of pancreatic juice

Question 6

Huntington disease

Answer 6

Genetic neuro-degenerative disorder

Question 7

Addisson’s disease

Answer 7

Occurs due to deficiency of hormones of adrenal cortex

Question 8

Why might a woman’s body not reject an embryo as a foreign body?

Answer 8

embryo implantation sets off a process that ultimately turns off a key pathway required for the immune system to attack foreign bodies

Question 9

Compatible blood tranfusion (main criteria)

Answer 9

If donor’s erythrocyte antigen and recipient’s serum antibody are not specific to each other a blood transfusion can be compatible.

Question 10

Cause of cystic fibrosis

Answer 10

the disease cystic fibrosis is caused by a defect in a channel protein that should be present in the cell surface membranes of certain cells, including those lining the lungs. This protein normally allows chloride ions to move out of the cells.

Question 11

For active transport to occur across a membrane, the presence of what is a must

Answer 11

Carrier proteins

The energy of ATP is used to change the shape of the carrier proteins