The right hemisphere is usually dominant in right-handed persons
Indicate whether the statement is true or false
F
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In a normal ECG, the deflection that is generated by ventricular repolarization is called the __________.
A. R wave B. QRS wave C. P wave D. S wave E. T wave
Human somatic cells have ____________ pairs of chromosomes. Two chromosomes that carry the same genes are called a _______________ pair.
Fill in the blank(s) with correct word
Answer the following questions true (T) or false (F)
1. When antidiuretic hormone (ADH) levels rise, less water is reabsorbed via the kidneys, the ECF volume decreases, and urine production increases. 2. Aldosterone triggers the secretion of potassium ions (and hydrogen ions) and the reabsorption of sodium ions by the kidney. 3. Calcium ions have important functions in the body such as forming an integral part of the ATP molecule.
Which structure prevents the heart valves from opening the wrong way?
a. trabeculae carne b. chordae tendineae c. pectinate muscles d. fossa ovalis