Hemocytoblasts are basically the undifferentiated stem cells from which all other formed elements of blood will be synthesized.

a. true
b. false


Answer: a. true

Anatomy & Physiology

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Which statement is incorrect about cross bridges?

a. They are globular myosin heads that protrude from the thick filaments. b. They bend during muscle contraction. c. They attach and detach from actin during muscle contraction. d. They are not found in the I band. e. They bind with troponin during contraction.

Anatomy & Physiology

Which of the following associations is incorrect?

A) 8 cervical spinal nerves B) 11 thoracic spinal nerves C) 5 lumbar spinal nerves D) 5 sacral spinal nerves E) 1 coccygeal spinal nerve

Anatomy & Physiology

Which of the following structures contain elastic connective tissue?

a. trachea b. external ear c. intervertebral discs d. large arteries

Anatomy & Physiology

Lamellar bone

A. is very light in weight. B. has a porous appearance. C. has its collagen fibers randomly oriented. D. is organized into thin sheets of tissue. E. is not easily restructured.

Anatomy & Physiology