While Carly was playing soccer, she was kicked in the anterior thigh by an opposing teammate. Due to this injury, what muscle function may have been difficult to perform?

a. extending the knee
b. flexing the knee
c. extending the thigh
d. dorsiflexing the foot


a. extending the knee

Anatomy & Physiology

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In response to low blood ________, the kidneys secrete ________.

A. oxygen; erythropoietin B. sodium; calcitriol C. glucose; calcitriol D. calcium; renin E. potassium; erythropoietin

Anatomy & Physiology

The difference between the systolic and diastolic pressures is called the ________ pressure

A) critical closing B) mean arterial C) pulse D) blood E) circulatory

Anatomy & Physiology

Unlike cartilage, bone

A) is a connective tissue. B) has a matrix that contains collagen. C) is highly vascular. D) has an outer covering. E) has cells within lacunae.

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New cells are produced by _____ in the first layer of the epidermis.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology