Deck 3: Effects of Exercise on Blood Leukocyte Numbers

Question 1

Which of the following types of leukocyte shows the largest increase in circulating numbers during prolonged strenuous exercise?

A) Monocytes
B) Lymphocytes
C) Natural killer cells
D) Basophils
E) Neutrophils

Answer 1

E

Question 2

Which of the following subsets of lymphocyte shows the largest increase in circulating numbers during prolonged strenuous exercise

A) CD8+ T cells
B) γδ T cells
C) B cells
D) Natural killer cells
E) CD4+ T cells

Answer 2

D

Question 3

Which of the following hormones is involved in the leukocytosis of exercise?

A) Insulin
B) Prolactin
C) Adrenocorticotrophic hormone
D) Leptin
E) Adrenaline

Answer 3

E

Question 4

Which of the following hormones promotes the release of neutrophils from the bone marrow during and after prolonged exercise?

A) Insulin
B) Noradrenaline
C) Cortisol
D) Leptin
E) Oxytocin

Question 5

The absolute number of leukocytes mobilised into blood after a single bout of exercise is usually greater in older people.

Question 6

Which of the following is not a typical characteristic of the leukocyte subtypes that are preferentially mobilised into the circulation during a single bout of exercise?

A) High cytotoxic/effector function capabilities
B) High antibody-producing capability
C) Increased tissue-migration potential
D) A greater expression of adrenoreceptors and glucocorticoid receptors
E) An increased ability to respond to catecholamines and cortisol

Question 7

Untrained individuals tend to have a smaller leukocytosis to exercise.

Question 8

The mobilisation of which of the following cells is markedly influenced by latent CMV infection?

A) Neutrophils
B) Monocytes
C) CD4+ T cells
D) CD8+ T cells
E) B cells

Question 9

Exercising in state of glycogen depletion increases plasma cortisol and IL-6 concentrations, which, in turn, increases total leukocyte numbers.

Question 10

The number of leukocytes in the circulation at any given time is about 20% of the total number of white cells in the body.