The group of lymphoid stem cells that migrates to the thymus and divides repeatedly produces which type(s) of lymphocytes?

A) B cells
B) T cells
C) NK cells
D) T cells and B cells
E) B cells and NK cells


B) T cells

Anatomy & Physiology

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Answer the following statements true (T) or false (F)

1. In pulmonary circulation, veins carry oxygen-poor blood. In systemic circulation, veins carry oxygen-rich blood. 2. Both a myocardial infarction and angina pectoris are a result of an insufficient amount of oxygen getting to the heart muscle. 3. The stroke volume of a normal resting adult is about 5 liters. 4. Cardiac output is the volume of blood pumped by one ventricle in 1 minute. 5. During exercise, the greatest increase in blood flow is to the cardiac muscle.

Anatomy & Physiology

What is the first major event of organogenesis?

A) formation of the endocrine glands B) formation of somites C) neurulation D) formation of the skin

Anatomy & Physiology

Which muscle is square-shaped and located in the lumbar region?

A) Erector spinae B) Trapezius C) Semispinalis D) Quadratus lumborum

Anatomy & Physiology

Blood pressure is the

A. product of the stroke volume times heart rate. B. number of layers of blood in laminar flow models. C. measure of force blood exerts against blood vessel walls. D. viscosity of the blood and resistance to blood flow. E. measure of the volume of the blood.

Anatomy & Physiology