Crowdly

Add to Chrome

Questions Bank (1521691 total)

is 40-50% in a healthy man.

is a numerical value indicating the amount of hemoglobin in the erythrocyte in picograms (pg).

can be altered by pathological conditions such as inflammation, and sometimes by physiological conditions such as pregnancy.

expresses the volume ratio of formed blood elements in the blood.

View this question

after migrating to the tissues, they become macrophages.

contain histamine and heparin in granules.

usually circulate in the peripheral circulation for about 3 days.

normally make up about 40% of all white blood cells in the peripheral circulation in a healthy person.

View this question

Which statement/s is/are correct about prenatal hematopoiesis?

It occurs in the first trimester mainly in the bone marrow as medullary hematopoiesis.

One of its phases takes place in the liver and spleen primordium.

The first phase takes place in the yolk sac of the embryo.

The lymphopoiesis lineage takes place in the thymus, among others.

View this question

Eosinophilic granulocytes

have a nucleus consisting of two segments that are connected by a chromatin bridge, which may resemble the shape of eyeglasses (spectacle shaped nucleus).

have deep blue granules.

are multiplied, e.g. in allergic patients and patients with parasitic diseases.

form 3-5% of peripheral blood leukocytes.

View this question

Basophilic granulocytes

constitute 0.5-1% of leukocytes in the peripheral circulation.

contain basophilic, blue-staining granules that are larger than those of other granulocytes.

are precursors of tissue macrophages.

have a spherical unsegmented nucleus.

View this question

Hematopoiesis takes place in an adult human

in the yolk sac.

in myeloid tissue in the bone marrow and in lymphoid tissue in the lymph nodes or spleen.

in the medulla of the thymus.

in the renal cortex and liver.

View this question

are selected and mature in the thymus.

some of them become memory cells after activation.

can be distinguished from B-lymphocytes by the type of surface CD markers (cluster of differentiation) in the membrane.

participate in cellular immunity.

View this question

Ossification of the long bones

involves the penetration of vascular buds with osteogenic cells into the cartilage.

usually takes place on the basis of a cartilaginous model.

gives rise to permanent Haversian systems (osteons) upon completion.

contains a zone where chondrocytes first hypertrophy and then degrade.

View this question

Bone is a specialized connective tissue containing cells

osteoblasts, which are responsible for bone formation.

osteocytes, whose numerous processes penetrate microscopic channels.

osteoclasts, which are responsible for the resorption of bone tissue.

odontoblasts, which produce bone matrix.

View this question

Ossification of long bones preserves the hyaline cartilage

as epiphyseal (growth) cartilage.

in the medullary (marrow) cavity within the diaphysis.

as articular cartilage.

subperiosteal to the collar of the bone.

View this question

Previous
1
139717
139718
139719
139720
139721
152170
Next

Telegram Instagram TikTok Question Bank

Terms of Use Contact Us

Add to Chrome