Thin myofilaments are called ________
A) Myosin B) Myofibril C) Actin D) Z bars
C
Anatomy & Physiology
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What is the middle layer of a blood vessel called?
A. Tunica interna B. Tunica externa C. Tunica intima D. Tunica media E. Tunica adventitia
Anatomy & Physiology
A person with heart failure is experiencing an increase in fluid returning to the venous circulation. Which body structure is most likely responsible for this finding?
A) Right atrium B) Lymphatic system C) Pulmonary arteries D) Coronary arteries
Anatomy & Physiology
The primary target organ of aldosterone is _________.
A) the liver B) the pancreas C) the kidney D) all of the above
Anatomy & Physiology
Which of these hormones regulate calcium levels in the body?
A) T3 and T4 B) calcitonin and parathyroid hormone (PTH) C) oxytocin and prolactin D) insulin and glucagon E) melatonin and glucocorticoids
Anatomy & Physiology