Which condition is characterized by an increase in the thoracic curve of the vertebral column?

a) herniated disc
b) scoliosis
c) kyphosis
d) lordosis
e) spina bifida


c

Anatomy & Physiology

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Indicate whether the statement is true or false

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Impotence occurs when

A. the erectile tissues of the penis fill with blood. B. semen accumulates in the urethra. C. an erection cannot be achieved or maintained. D. semen moves out of the urethra. E. sperm cell production decreases.

Anatomy & Physiology

In the renin-angiotensin-aldosterone pathway that regulates blood pressure, renin is controlled in the following ways EXCEPT

A) Juxtaglomerular cells themselves can sense pressure changes and release renin when blood pressure declines. B) Decreases in blood pressure activate sympathetic neurons in the medulla oblongata, triggering renin secretion. C) Macula densa cells in the wall of the distal tubule respond to a decrease in urine flow and Na+ delivery by releasing a paracrine signal that leads to renin secretion. D) Decreased perfusion of the lung leads to the production of angiotensin-converting enzyme, or ACE, that directly leads to renin secretion.

Anatomy & Physiology

Which of the following is not a function of the skeletal system?

A) support B) storage of minerals C) production of blood cells (hematopoiesis) D) communication

Anatomy & Physiology