A drug that would not be helpful in the treatment of allergies is:
1. | Antibiotics | 2. | Antihistaminics |
3. | Steroids | 4. | Adrenaline |
1. | Bone marrow & Spleen | 2. | Bone marrow & Thyroid |
3. | Lymph nosed & Spleen | 4. | Bone marrow & thymus |
Secondary lymphoid organs:
1. | Are those where immature lymphocytes differentiate |
2. | Provide a site of interaction between lymphocytes and antigens |
3. | Are formed after birth |
4. | Are bone marrow and MALT |
Which of the following is not a function of spleen?
1. | It acts as a filter of the blood by trapping blood-borne microorganisms |
2. | It acts as a large reservoir of RBCs |
3. | It filters our old RBCs |
4. | It continues to form RBCs for a few years after birth |
What constitutes about 50% of the lymphoid tissue in the human body?
1. | Malt | 2. | Spleen |
3. | Lymph nodes | 4. | Liver |
Small masses of lymphatic tissue found throughout the ileum region of the small intestine are called:
1. | Paneth cells | 2. | Meissener’s Plexus |
3. | Peyer’s patches | 4. | Entero-chromaffin cells |
A normal cellular gene which when altered by mutation can contribute to cancer is called:
1. | Oncogene | 2. | V – Onc |
3. | Neoplastic gene | 4. | Proto-oncogene |
Cannabinoid receptors are principally located in the brain but they also have side effects on:
1. | GIT | 2. | CVS |
3. | Liver | 4. | Lungs |
Cocaine acts through:
1. | Interfering with the action of acetylcholine |
2. | Potentiating catecholamines |
3. | Interfering with the transport of dopamine |
4. | Releasing endorphins and enkephalins |
A tumor that invades surrounding tissues is usually capable of producing metastases, may recur after attempted removal, and is likely to cause death unless adequately treated. Such a tumor is called a:
1. | Benign tumor | 2. | Malignant tumor |
3. | Teratoma | 4. | Secondary tumor |