Which hormone increases muscle mass?

a. progesterone
b. estrogen
c. luteinizing hormone
d. testosterone
e. myostatin


ANSWER: d

Biology & Microbiology

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It is the morning of a big test. You are very nervous about it. Your heart is racing and your blood pressure is increased

You are feeling the effects of the ____ division of the ____ nervous system.

a. parasympathetic; autonomic b. parasympathetic; somatic c. sympathetic; autonomic d. sympathetic; somatic e. autonomic; somatic

Biology & Microbiology

What is the primary function of a cellular membrane?

a. recognizing other cells as being "like" b. controlling the transport of substances into and out of cells c. recognizing chemical signals from other cells d. cell-cell binding

Biology & Microbiology

Which of the following specimens should NOT be refrigerated if it cannot be processed immediately?

A. CSF B. Sputum C. Wound swab D. Urine

Biology & Microbiology

Back pain is due to many factors such as bone disorders and poor posture.

a. true b. false

Biology & Microbiology