The juxtaglomerular apparatus is responsible for______
A. The secretion of drug
B. The secretion of acid and ammonia
C. Reabsorption of organic molecular, vitamins, and water
D. Regulating the rate of filtrate formation and controlling systemic blood pressure

D. Regulating the rate of filtrate formation and controlling systemic blood pressure

The maintenance of the proper pH of the body fluids may be the result of____
A. The control of respiratory ventilation
B. The active secretion of HCL into the stomach lumen
C. The operation of the various buffer systems in the stomach
D. Control of the acids produce in the stomach

A. The control of respiratory ventilation

The fluid in the glomerular (Bowman’s) capsule is similar to plasma except that it does not contain a
significant amount of_____
A. Plasma protein

B. glucose

C. electrolytes

D. hormones

plasma

Surfactant helps to prevent the alveoli from collapsing by_______
A. Warning the air before it enters
B. Protecting the surface of alveoli from dehydration and other environmental variation
C. Humidifying the air before it enter
D. Interfering with the cohesiveness of water molecules, thereby reducing the surface tension of
alveolar fluid

D. Interfering with the cohesiveness of water molecules, thereby reducing the surface tension of
alveolar fluid

Excretion of dilute requires_______

A. Relative permeability of the distal tubule to water
B. Impermeability of the collecting tubule to water
C. Transport of sodium and chloride ions out of the descending loop of Henle
D. The presence of ADH (antidiuretic hormone)

B. Impermeability of the collecting tubule to water

6) How is the bulk of carbon dioxide carried in blood?

A. as the bicarbonate ion in the plasma after first entering the red blood cells

B. chemically combined with the heme portion of hemoglobin

C. chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood
cells

D. as carbonic acid in the plasma

A.as the bicarbonate ion in the plasma after first entering the red blood cells

7) Which of the following is not a method for regulating the hydrogen ion concentration in blood?

A. Diet

B. respiratory changes

C. renal mechanism

D. chemical buffer systems

A. Diet

1.Proximal convoluted tubule______

2. Peritubular capillaries_______

3. Collecting duct______

4. Glomerulus.________

A) Site that drains the distal convoluted tubule.

B) Blood supply that directly receives substances

C) Site of filtrate formation.

D) Site at which most of the tubular

Match the following:
8) D
9) B
10) Collecting duct. A
11) Glomerulus.C