What does the countercurrent mechanism accomplish in the nephron loop?
A) production of very dilute urine
B) creation of a steep concentration gradient for continued water reabsorption
C) secretion of water and electrolytes into the filtrate
D) constriction of the arterioles to increase blood pressure
Answer: B
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Mean arterial pressure = ____________________ x ____________________
Fill in the blank(s) with correct word
While Carly was playing soccer, she was kicked in the anterior thigh by an opposing teammate. Due to this injury, what muscle function may have been difficult to perform?
a. extending the knee b. flexing the knee c. extending the thigh d. dorsiflexing the foot
Polydactyly is an example of a trait that is both ________ and variably expressive.
A. incompletely penetrant B. multifactorial C. pleiotropic D. completely penetrant
Pleural fluid surrounds the pericardial cavity.
Answer the following statement true (T) or false (F)