Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?

A. Multifidus
B. Latissimus dorsi
C. External intercostals
D. Serratus anterior
E. Quadratus lumborum


E. Quadratus lumborum

Anatomy & Physiology

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What is one atmosphere of pressure?

A) 760 mm Hg B) 1000 mm Hg C) 105 mm Hg D) 45 mm Hg E) 650 mm Hg

Anatomy & Physiology

What substance lines the lungs, making them easier to inflate?

What will be an ideal response?

Anatomy & Physiology

The adjustment of respiratory rate due to blood pressure rising and falling results from the stimulation or inhibition of the respiratory centers by sensory fibers in which cranial nerve(s)?

A) vagus (X) and accessory (XI) B) hypoglossal (XII) only C) glossopharyngeal (IX) and vagus (X) D) vagus (X) and hypoglossal (XII) E) glossopharyngeal (IX) and hypoglossal (XII)

Anatomy & Physiology

Which of the following hormones is/are regulating sperm and testosterone production?

a. GnRH b. FSH c. LH d. Estrogen

Anatomy & Physiology