Glucose and amino acids are reabsorbed in the

• proximal tubule

• distal tubule

• collecting duct

• loop of Henle

The amount of CSF in the cranial cavity

• 500 mL

• 140 mL

• 1 litre

• 1.5 mL

3.

Which one is imino acid?

• Pepsin

• Proline

• Cysteine

• Renin

The main difference between Gram positive and Gram negative bacteria is

• cell membrane

• cell wall

• ribosome

• mitochondria

ACTH is secreted from

• adrenal cortex

• pituitary

• adrenal medulla

• thyroid

Which of the following is the correct pathway for propagation of cardiac impulse?

• SA node $\to$ AV node $\to$ Bundle of His $\to$ Purkinje fibres

• AV node $\to$ Bundle of His $\to$ SA node $\to$ Purkinje fibres

• SA node $\to$ Purkinje fibres $\to$ AV node $\to$ Bundle of His

• Purkinje fibres $\to$ AV node $\to$ SA node $\to$ Bundle of His

Inner surface of the bronchi, bronchioles and fallopian tubes are lined by

• cubical epithelium

• columnar epithelium

• squamous epithelium

• ciliated epithelium

Electric potential of the brain is recorded by

• CT scan

• Sphygmomanometer

• ECG

• EEG

The gastrin is secreted from

• intestine

• stomach

• pancreas

• rectum

The cause of cretinism is

• hypothyroidism

• hypoparathyroidism

• hyperthyroidism

• hyperparathyroidism