?Sperm cell maturation is stimulated by

a. aldosterone
b. estrogen
c. testosterone
d. cortisol


Ans: c. testosterone

Anatomy & Physiology

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In a PET scan, metabolically active tissues emit ________ which can be used to generate an image that is valuable for diagnoses of certain types of cancer and brain diseases.  

A. electrons B. gamma rays C. protons D. electrical

Anatomy & Physiology

When would an Rh-negative person make antibodies to the Rh antigen?

A. At birth B. An Rh-negative person will never make antibodies to that antigen C. When exposed to Rh antigen

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Tendons and ligaments attach to the ________ of bone

A) osteocytes B) lacunae C) periosteum D) calcium phosphate E) central canals

Anatomy & Physiology

What enzyme is needed to start the cross bridging process?

A. Kinase B. Cereatine phosphatase C. Ca2+ATPase D. Myosin ATPase

Anatomy & Physiology