1. Which of the following is correct about thymus?
a) Globular structure located on the dorsal side of the heart and aorta.
b) It plays minor role in the development of the immune system.
c) The thymus size increases with age.
d) Thymus doesn’t affect the production of antibodies.
Explanation: "Globular structure located on the dorsal side of the heart and aorta". This is correct about thymus.
2. Thymosin is
a) Peptide hormone
b) Secreted by pituitary
c) Helps in RBC production
d) Decreases WBC production
Explanation: Thymosin is Peptide hormone.
3.Which gland plays major role in the differentiation of T-lymphocyte?
a) Thyroid
b) Thymus
c) Adrenal
d) Gonads
Explanation: Thymus
4.Immune response of old persons are weak because
a) Thymus is degenerated in old individual
b) Thymus production decreases
c) Both (a) and (b)
d) None of these
Explanation: Both (a) and (b)
5. The position of adrenal gland is
a) Anterior part of each kidney
b) Posterior part of each kidney
c) Ventral part of each kidney
d) Dorsal part of each kidney
Explanation: Anterior part of each kidney
6.The term ‘Cortex’ is used in
a) Brain
b) Kidney
c) Adrenal gland
d) All of these
Explanation: All of these
7. The adrenal medulla secretes two hormones called adrenaline or epinephrine and nor-adrenaline
or nor-epinephrine. These are commonly known as
a) Steroids
b) Terpenes
c) Catecholamine
d) Cytokinin
Explanation: Catecholamine
8. Emergency hormone and hormones of fight are
a) Adrenalin
b) Noradrenaline
c) Cortisol
d) Both (a) and (b)
Explanation: Both (a) and (b)
9. A. Increase alertness
B. Pupilary constriction
C. Piloerection
D. Increase heart rate
E. Increase respiratory rate
F. Sweating
Which of the above are effects of adrenaline/Noradrenaline?
a) All except C
b) All except B and F
c) All except B
d) All except B,E and F
Explanation: All except B
10. Catecholamine causes
a) Glycogenolysis
b) Proteolysis
c) Lipolysis
d) All of these
Explanation: All of these