Which of the following has no nucleus?

a. White blood cells.
b. Sperm cells.
c. Red blood cells.
d. Liver cells.


Answer: c. Red blood cells.

Anatomy & Physiology

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Answer the following statements true (T) or false (F)

1. A buffer is a chemical that helps prevent a sudden change in pH. 2. The word “carbohydrate” literally means “sugar.” 3. Both sucrose and lactose are monosaccharides. 4. Glucose is used by the body as a source of energy. 5. Both sucrose and lactose are disaccharides.

Anatomy & Physiology

Which of the following factors stimulates a newborn's first breath?

A) All of the above B) Increasing concentration of carbon dioxide C) Decreasing pH D) Low oxygen concentration

Anatomy & Physiology

An elderly woman with pronounced kyphosis suffers a hip fracture. What type of fracture is most likely?

A. Stress fracture B. Pathologic fracture C. Closed reduction fracture D. Fragmentary fracture E. Uncomplicated fracture

Anatomy & Physiology

Secretion of organic ions takes place in the:

a. Bowman's capsule. b. loop of Henle. c. proximal tubule. d. collecting duct. e. glomerulus.

Anatomy & Physiology