This figure shows a palmar view of the hand. What muscle does the number 2 indicate?
A. Lumbrical
B. Abductor pollicis brevis
C. Adductor pollicis
D. Opponens pollicis
E. Flexor digiti minimi brevis
Answer: B
Anatomy & Physiology
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The hormone aldosterone promotes the
A) secretion of calcium ions. B) reabsorption of sodium ions. C) reabsorption of potassium ions. D) secretion of sodium ions.
Anatomy & Physiology
What are the small spaces in bone matrix where osteocytes reside?
A) osteons B) lacunae C) lamellae D) central canals
Anatomy & Physiology
Each skeletal muscle is composed of ________, which are bundles of muscle fibers.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Which of the following muscles functions to expel urine or semen in males?
A) bulbospongiosus B) superficial transverse perineal C) coccygeus D) levator ani E) anconeus
Anatomy & Physiology